DXdao is a decentralized collective that builds and governs DeFi protocols. Founded in 2019, DXdao’s product suite includes:

* Swapr, a governance-enabled multi-chain AMM with custom liquidity mining rewards creation and best-price trading features
* Carrot, a platform for community-driven programmable token incentives
* DXvote, a governance platform for DAOs made by a DAO. Reputation, token voting and holographic consensus
* Omen, a leading prediction markets platform

DXdao is an entirely on-chain organization. Everything from hiring decisions to product updates happen via on-chain proposals through its community-driven governance system, based on holographic consensus.

DXdao is building a suite of Web3 products. As such, it heavily relies on the technical expertise of Web3 developers with solid knowledge of building dApps on top of Ethereum. We are looking for a skilled Senior Web3 Front-End developer to join us at DXdao!

What you should be interested in doing:

* Interested in DeFi and solving complex problems (a background in finance/STEM preferred)
* Collaborating with others on writing, testing, and deploying maintainable code that interacts with the Ethereum blockchain
* Contributing to full-stack software development with an emphasis on front-end work
* Developing responsive web interfaces
* Ensuring the technical feasibility of UI/UX designs
* Optimizing front-end code for performance and scalability
* Working with designers to create pixel-perfect representations of visual comps

# DXdao is looking for:

* A DAO/DeFi enthusiast who believes in the power of decentralization
* An independent, self-starter who is comfortable working in a fast-paced environment
* A developer with solid experience in React (Typescript) and its ecosystem
* A developer who can write maintainable, high quality code
* Someone who has the ability to work in Agile environment (Scrum)
* A developer who can implement SOLID principles of SWE
* A contributor with excellent written and verbal communication skills

# What we offer:

* A competitive and transparent salary system that governs all DXdao contributors
* A global community
* A flexible remote working policy and working schedules
* Stipends to travel to and attend Ethereum gatherings around the world

React

Web3

TypeScript

Remote

Senior Web 3 Front-End Developer

As a Solidity developer at CPI Technologies your job will be working together with our team to bring the ecosystem concepts of our customers to reality. You’ll be designing tools used by some of the top blockchain projects. We’re excited to have you join our international team to help build exciting projects built on blockchain technology.

You’ll join our highly skilled engineering team and help us build world-class innovative products and services that create new capabilities in blockchain infrastructure. You’ll work closely with our CTO and Product Manager to design, build and deploy new features. 

# Responsibilities

* Be a key member of the technical team architecting and building CPI products and working with the entire organization to further the objectives of the company
* Interact with the EVM and writing high-quality, well-tested Solidity
* Comprehensive unit and integration tests
* Work with the engineering team to support customer technical inquiries
* Work with the team to guide the product roadmap
* Demonstrate and inspire a strong sense of teamwork
* Demonstrate and inspire integrity, quality, and professionalism

# Job requirements

* 1+ years of experience writing, testing, and/or auditing production grade Solidity contracts. You have deployed contracts to Mainnet
* 3-5+ years programming experience
* Understanding of the Ethereum Virtual Machine, gas optimization tradeoffs and security best practices
* Being able to work in a team environment and follow Agile processes.
* Written and spoken communication skills in English.
* Experience with lending protocols, DEXs, MEV, and more
* Ethereum blockchain test tools (e.g.Truffle, Embark, Hard Hat, etc.)
* Solidity and knowledge of ABI (eg. variable mapping to storage slots)

Ethereum

Smart contracts

Solidity

Truffle

Europe

Germany

Solidity Developer

Developed to solve the inefficiencies seen in traditional systems, Maple brings the corporate credit market 100% on-chain using smart contracts to remove time and cost frictions, and executed on blockchains for immutability.
  
Maple Finance is infrastructure for experts (pool delegates) to run on-chain lending businesses, and have three core customers Borrowers, Lenders and Pool Delegates. Maple offers Borrowers transparent, capital-efficient financing. For Lenders, Maple offers a sustainable yield source through lending to diversified pools of crypto’s premium institutions. Loans are managed and underwritten by sophisticated teams of credit analysts called Pool Delegates, who assess credit-worthiness and set loan terms with Borrowers.  

# The Team

Today the Maple team is 40+ strong, with staff from BlockFi, Kraken, Meta, Bank of America, Gemini and MakerDAO to name just a few blue-chip orgs. Team profiles are shared on our site here!

Remote anywhere in EST or Europe

# The Role

We are looking for a mature and talented Senior Web Developer that has several years' of first rate commercial experience. The position requires you to have a deep understanding of React, TypeScript and GraphQL. You will be working with 4 other developers on the Off Chain team in agile 2 week sprints on V2 of the web application stack.

This is a critical position requiring you to take ownership of key projects using React applications, Apollo GraphQL APIs and Graph Protocol indexed Ethereum state.

The right candidate will be truly passionate for the craft of software development. The role demands the highest standards of tested, linted and formatted code. We are a fully remote team located across Europe, the US, and Asia. We have two daily stand ups at 10am CET and 9:30am EST, this ensures  suiting the individual team members core working hours.

# The Opportunity

This role puts the right candidate at ground zero of a Global Capital Markets platform for the future of Institutional Credit and they will heavily impact/influence the further development of it over the coming years. In just 4 months Maple V1 has surpassed $170 million of USDC deposits into the protocol via the web application, the concept is proven and we are leveling up dramatically.

We require a developer with high Code Quality standards to match the scope of our vision to expand the digital economy. In this role you will build the innovative features that our users will find the most valuable. To achieve this you will be using the most cutting edge tech & tools available, in these fast exciting times of Web3 exploration!

# Responsibilities

* Design and implement a functional user-friendly experience
* Collaborate with Product, Design, and Engineering teams to define, prioritize and develop solutions/features
* Own and plan projects and products end to end for long-term impact – including UI, backend, testing, etc.
* Reviewing application requirements and interface designs.
* Developing and implementing highly-responsive user interface components using React concepts.
* Troubleshooting interface software and debugging application codes.
* Monitoring and improving front-end performance.
* Documenting application changes and developing updates.
* Coding out a Landing page with good knowledge of HTML and CSS fundamentals.

# Requirements

* JavaScript and TypeScript ninja with a minimum of 5 years professional experience
* Expert level React with preference for working with hooks
* Open Source software development experience with expert Git and Github skills
* Advanced knowledge of GraphQL backends
* Deep understanding of software documentation procedures
* Preference for Test Driven Development (TDD) and highly testable code
* Apollo Federated Gateway API knowledge
* Ethers.js, MetaMask, WalletConnect and other Web3 technologies on Ethereum.
* Great if you've used Graph Protocol and Ethereum blockchain indexing tools
* Fluency in English

# What's in it for you

* Base salary of $140K+ per annum. Paid in your choice of crypto (USDC) or local fiat currency
* MPL token allocation, giving you a stake in Maple’s long term success
* 30 days paid time off per year
* Fully remote and flexible working giving you the autonomy to live and work your way
* Optional access to shared working space at your local WeWork or equivalent
* Contract or full time employment opportunities including all local statutory benefits
* Fully transparent and collaborative team culture
* Funding for personal skills development
* Annual team offsite events

# Our Tech Stack

All:
* TypeScript
* NodeJS
* Ethers.js
* Hardhat
* Docker
* Solidity

Frontend:
* React

Backend:
* Graph Protocol
* GraphQL

Devops:
* Terraform
* Bash
* GCP/AWS

JavaScript

Senior Full Stack Web Developer

Vital Hint is proud to introduce ClubRare - The World's first community-centered Physical NFT marketplace for collectors. We connect the Real-world and the Metaverse. We are a community for people who trade the things we love.

We are a fully remote company with no fixed headquarters. The team is distributed throughout the world - we form an inclusive network across a variety of locations, lifestyles, and backgrounds.

Our culture is driven by empathy, integrity, strategic thinking, innovation, leadership, and the shared desire to perform at our peak. While our differences make us adaptable and versatile, it's our shared values that give us the strength and drive to become the open metaverse for collectors.

# What’s in It for You?

* Be part of building a great project and make a real impact in your career.
* Work flexible hours from anywhere and be part of a team that is driven by strong values and a clear shared vision.
* Directly shape the future of a completely new model for cryptocurrency and blockchain applications.
* Challenge your skills and push your creative limits working with the latest technologies & systems.
* Play an active role in one of the most significant technological innovations in human history.
* Receive a competitive salary paid in crypto.

# Your Impact

We are looking for a Blockchain Developer or a Smart Contract developer to join our technology team. Our ideal candidate will have to understand the value of clear and performant code as well as want to define the leading solution. They will relish the opportunity to build a new category of computing platform and desire to build a thriving open source ecosystem. You will have demonstrated expertise with distributed infrastructure development, as well as the curiosity and creativity to explore new approaches to complicated problems. Most importantly understand the value of a developer-friendly infrastructure while breaking new ground in a quickly-evolving space.

# Responsibilities:

* Explore design implications around smart contracts and their interactions with each other.
* Work with the Product team to explore feasibility and design of the decentralization of various processes.
* Take ownership from the ideation phase to deployment and management.
* Develop host and back-end systems for our NFT minting projects and the marketplace platform.
* Optimize web applications for maximum performance across a variety of devices including desktops, tablets and smartphones
* Build reusable components and libraries to speed up development efficiency
* Collaborate with your team to guarantee streamlined implementation of applications

# Requirements

* Experience in NFT marketplaces and/or decentralized cryptographic systems.
* 3+ years of experience coding with Solidity and utilizing the blockchain platform's library (e.g Web3.js for Ethereum).
* Bachelor/Masters degree in computer science, engineering or equivalent industry experience.
* Proven track record of delivering projects with high quality, maintainable code
* Focused on delivering impact and results to the makers and consumers who will benefit from this new ecosystem.

NFT Smart Contract Developer

Rolla is building a cutting-edge DeFi Options trading protocol that’s extremely user-friendly, designed to bring high yield generation strategies to everyone in crypto while abstracting the complexities of DeFi and derivatives. 

Our team is a tenacious, geeky, and optimistic group, working towards a decentralized financial future. You’ll be joining a highly technical team that values shipping beautiful, usable products to give people real control over their financial future. Our team members from Sushi, Polygon, BitTorrent, Adyen and commit to top 10 web2 and web3 core repos.

We’re also backed by the top investors and option market makers in the cryptocurrency space that believe in our vision. At Rolla, you’ll have access to industry leaders, developers, exchanges, and traders to collaborate and engage with as you pioneer the next frontier of DeFi.

# Responsibilities

* 3+ years of backend engineering experience.
* Experience working with Typescript, Node, and writing unit tests and integration tests.
* Experience in all stages of product development including technical planning, rigorous testing, and launch.
* Ability to write high-quality, well-tested code in an asynchronous environment.
* BSc/BA in Computer Science, Engineering, or a related field preferred.
* Experience working with Nestjs is a big plus.
* A passion for DeFi and Web3

# Rolla offer

* A truly rare opportunity to work on the bleeding edge of the future of decentralized derivative trading. You’ll be building products with the potential to give millions of people trustless yield on their money
* Great culture: highly ambitious, smart, friendly, non-hierarchical, collaborative, and entrepreneurial
* Top fixed compensation and token options. Get an early share of Rolla’s future token and be able to participate in Rolla’s upcoming DAO
* Flexible work hours and location, with the ability to work in person (preferred) with team members in Singapore
* World Class investors. We're backed by the top VC's in crypto and you'll have access to industry experts

# Write to us if you

* Have a strong entrepreneurial mentality
* Owner attitude, you focus on the ultimate result for the company, both short term, and long-term growth
* Tenacious, ambitious yet humble, willing to work hard, take feedback and learn on the way
* A deep love for problem-solving and seeing the results of your work

Node.js

DeFi

Senior Backend Engineer Web3

Join our team and work directly with the founders to build the future of Automation for the upcoming decentralized web. Enjoy a lot of perks, travel with us to cool events and participate in amazing off-side retreats with the team!

Participate in creating the most sophisticated crypto bot network ever created by designing the smart contracts that will rule them all!

We are a fully remote team and although we hire globally, there is a strong preference for this role to be based in Central Europe.

# What we offer:

* A fully remote team with team members in Zug, Paris, New York, Berlin, and many other cool places
* Join the "Gelato Legendary Member Club" and work directly with the founders
* Participate in building the infrastructure that aims to become the glue between all crypto networks and power the most promising dapps on Ethereum and beyond
* Generous Token Package - Get a share of the network's token and be able to participate in the Gelato DAO
* Chance to participate in shaping the future of web3 by working together with the biggest projects in this space, such as MakerDAO, Connext, Quickswap, etc.
* Worldclass Investors - We are backed by top class VCs and Angels including Dragonfly, Galaxy Digital, ParaFi, Gnosis, Stani Kulechov and many more!

# Requirements:

* Experience in writing smart contracts in solidity
* Experience with web3 libraries (ethers.js, web3.js) - preferably ethers.js
* Experience with testing your code locally and on ethereum test networks
* Experience with the hardhat development environment
* Experience deploying contracts to production environments like mainnet or polygon
* Experience with writing subgraphs for indexing contract data
* Experience using dapps like Uniswap, Aave, or Maker.
* You can work with high autonomy
* Strong written and verbal communication skills

# Bonus:

* Knowledge about the inner workings of the EVM
* Mathematics & Finance Background
* Experience in building and running bots that interact with smart contracts on Ethereum
* Knowledge about Ethereum Client & Mining software
* Front-end experience, building dApps on existing smart contracts

# Technologies we use and teach:

* Solidity
* Node.js
* Typescript
* Javascript
* Ethers.js
* Hardhat
* React

# Benefits

* Unlimited holiday (yes you heard that right!)
* Work very autonomously
* Generous GEL token package
* Competitive Salary
* Work together with one of the best technical teams on Ethereum
* Build relationships with top blockchain teams which are already Gelato users, including MakerDAO, Instadapp, Zerion, Quickswap and many more
* Chance to travel the world to go to exciting events and connect with key players in this industry
* Join amazing in-person offsites all over the world

Smart Contract Developer

Chain is looking for an experienced and highly motivated Senior Blockchain Protocol Engineer.

We're expanding the team of Blockchain Engineers working on Chain Core and Sequence, our high-performance blockchain and ledger-as-a-service product.

Chain is an award-winning technology company that specializes in blockchain related services and software with production ready products in the market. 

# As an engineer, you are someone who:

* 3+years in Blockchain Protocol Engineering experience preferred
* Understands the value of clarity and test coverage in your code and optimize for maintainability.
* Has a deep understanding of Blockchains and all of the accompanying Cryptography Primitives (Public Key Cryptography, Merkel Trees, UTXO/Account models etc.)
* Is excited about Distributed Systems and are able to articulate the tradeoffs systems have to make when operating in a distributed environment (CAP, Linerizability, Consistency, Availability etc.).
* Is comfortable and enjoys working on Systems and low-level stuff (Network Layer - DPDK, File Systems etc.)
* Is able to tie together high level requirements around Latency, Throughput back with what needs to happen at the System Level

# Key Requirements

* Demonstrated excellence in software engineering including exposure to blockchains, distributed systems, scalability, and algorithms
* Demonstrated excellence in a Systems Language such as Rust, Golang, C/C++, Elixir, Erlang
* Demonstrated technical design capabilities, architecting complex technical features despite ever-evolving product requirements
* Knowledge of Basic Crypto Primitives (Public Key Cryptography, Transaction Signing & Verification etc.)
* Experience with technical leadership of engineering teams including mentorship and coaching
* Excited about joining an Ego Free environment that moves quickly and Values and Provides Constructive Feedback
* (Optional) Knowledge of more advanced Crypto Techniques (Schnorr Signatures, Edwards Curve etc.)
* MSc/PhD and/or relevant experience preferred for this role

As a great fit candidate, you are someone who has experience working on complex, distributed systems/blockchains in systems languages such as Rust, Golang, C/C++.

You are someone who is happy building tooling and infrastructure that will be used by other engineers and enterprises in complex business cases and are empathetic towards this need.

The compensation package will include an industry competitive salary and bonuses linked to company performance. The benefits include unlimited PTO, parental leave, food catering, and health(varies by region). The position is a remote position. 

Blockchain protocols

Distributed Systems

Networks

Senior Blockchain Protocol Engineer

The mission of Trust Machines is to build the largest ecosystem of Bitcoin applications and grow the Bitcoin economy. We’ve recently raised $150M to realize this vision, build Bitcoin apps, and the open source technologies required to unleash the true potential of Bitcoin as a final settlement layer. Trust Machines is doubling down on Bitcoin and Stacks, a programming layer for Bitcoin, to help make it faster and easier to develop on, while building applications that make Bitcoin productive. 

Trust Machines is looking to hire a Bitcoin core developer to contribute to Bitcoin core and collaborate on Bitcoin software maintenance and development. In this role you’ll collaborate with the broader Bitcoin community, assist in technical assessment and implementation of BIPs, and join the Trust Machines team as an expert and advisor in Bitcoin development. This role is part researcher, part teacher, and provides a lot of room for independence, self sufficiency, and creativity.  

# What You’ll Do:

* Work on Bitcoin and Lightning development 
* Experience with and commitment to the open source Bitcoin ethos 

# What We’re Looking For:

* Extensive experience in C/C++. Interest in learning Rust. 
* Deep knowledge of the crypto space and underlying technologies 
* Experience with automated testing and unit tests 
* Strong technical documentation skills 
* Advanced knowledge of cryptography concepts 
* Strong communication skills 
* Sense of ownership and independence 

# We’d Also Like to See:

* An openness to new ideas and applications of blockchain technology

Rust

BitCoin

Bitcoin Engineer

Clearmatics is a protocol engineering company. We are building a new financial market architecture that is more open, fair, and resilient than the legacy systems that are in use today. We develop protocols and software that create new markets for risk and more efficient infrastructure for trading, backed by a robust and scalable blockchain network, and secured with modern cryptographic techniques and economic mechanism design.

Clearmatics is based in London but operates on a 'remote first' model. We welcome candidates from all over the world. We have close ties to the Open Source and Ethereum communities, with Vitalik Buterin as an adviser.

The Engineering team at Clearmatics is responsible for developing our blockchain software at Layer 1 and Layer 2. At the core of our stack is the Autonity client, the node software that powers our blockchain network. It is based on Ethereum (go-ethereum) and is secured by Tendermint Proof-of-Stake consensus. Our decentralised platforms are built on smart contracts and decentralised applications, and are supported by backend services in Go.

We're looking to hire a Core Developer to expand our Layer 1 Engineering team.

# ABOUT YOU

You're a systems programmer with good knowledge of Layer 1 protocols, and a passion for blockchain and decentralisation. You enjoy working to a high standard and writing code that is clean, performant, and maintainable. You appreciate the importance of careful design choices and can anticipate the impact of code changes on wider system behaviour. You can demonstrate a strong interest in blockchain and may even have open source contributions that you can highlight. You express yourself clearly in writing and in discussions.

# RESPONSIBILITIES

You will be involved at all stages of the development lifecycle for the Autonity protocol and its blockchain node client (a fork of go-ethereum). These include:

* Implementing new protocol features in Go and Solidity
* Developing new distributed systems tests and frameworks
* Contributing to protocol and design specifications
* Working with members of the community to resolve issues
* Your work will ensure that Autonity client is correct, reliable, performant, and secure. This will enable Autonity to serve as the foundational layer for a new ecosystem of decentralised markets.

# REQUIREMENTS

* At least a Bachelor's degree in Computer Science or a related field
* Strong programming skills in a low-level language like Go, Rust, or C++ (ideally 2+ years with Go)
* Experience with network, concurrent, and distributed programming/debugging on Linux systems
* Good knowledge of Ethereum protocols, BFT and dPoS consensus, P2P messaging, and crypto primitives

# BONUS POINTS

* Experience developing on a blockchain node client (preferably Ethereum-like)
* Knowledge of distributed systems theory obtained from coursework or self-study
* Smart contract programming experience using Solidity and Web3 APIs

Blockchain Core Developer

Gelato Network is a protocol that automates smart contract executions on Ethereum. We develop an open-source system coordinating a decentralized network of relay nodes that developers can plug into to create amazing automated dApps for their users.

Join our team and work directly with the founders to build the future of Automation for the upcoming decentralized web. Enjoy a lot of perks, travel with us to cool events and participate in amazing off-side retreats with the team!

Participate in creating the most sophisticated crypto bot network ever created by designing the smart contracts that will rule them all!

# What we offer:

* Small, fully remote team, with team members in Zug, Paris, New York, Shanghai, Berlin and many other cool places. 
* Join the “Gelato Legendary Member Club” and work directly with the founders
* Participate in building the infrastructure that aims to become the glue between all crypto networks and power the most promising dApps on Ethereum
* Token Options - Get a share of the networks future token and be able to participate in Gelato’s upcoming DAO
* Worldclass Investors - We are backed by the community, including industry leading experts such as Dragonfly, ParaFi, Nascent, IDEO, Gnosis, Christoph Jentzsch, IOSG, Galaxy Digital and the two largest Venture DAOs (The LAO, Metacartel Ventures)

# Requirements:

* Experience in writing smart contracts in solidity
* Experience with web3 libraries (ethers.js, web3.js) - preferably ethers.js
* Experience with testing your code locally and on ethereum test networks
* Experience with the hardhat development environment 
* Experience deploying contracts to production environments like mainnet or polygon
* Experience with writing subgraphs for indexing contract data 
* Experience using dapps like Uniswap, Aave, or Maker. 
* You can work with high autonomy
* Strong written and verbal communication skills

# Bonus:

* Knowledge about the inner workings of the EVM
* Mathematics & Finance Background
* Experience in building and running bots that interact with smart contracts on Ethereum
* Knowledge about Ethereum Client & Mining software
* Front-end experience, building dApps on existing smart contracts

# Technologies we use and teach:

* Solidity
* Node.js
* Typescript
* Javascript
* Ethers.js
* Hardhat 
* React

Switzerland

Steakwallet is a multi-chain DeFi wallet, focused on surfacing opportunities available throughout web3. From entering into Yearn vaults for stablecoin yield, to staking assets on 20+ different L1s, Steakwallet is the most powerful and user friendly wallet on the market.

# What we're looking for

We're seeking a talented web3 engineer to help build out the Steakwallet metaverse. Uniquely difficult due to our multi-chain nature, your day to day work could range from writing Solidity smart contracts to indexing Solana account transaction history.

You'll partner closely with our Head of Engineering on greenfield projects to help Steakwallet scale to the masses.

# Responsibilities

* Write smart contracts responsible for managing millions of dollars worth of assets
* Create staking/vault/swap integrations that users will interact with in the Steakwallet application
* Index data across a variety of networks including Ethereum, Near, Tezos, Solana and more
* Work closely with and report directly to our CTO
* Balance engineering speed and quality, with a focus on shipping.

# Qualifications

* 3+ years engineering experience
* 1+ years web3 experience
* Proficiency in TypeScript and one of Solidity/Rust/Golang
* Excellent communication skills
* (Optional) Knowledge of non EVM compatible chains

Web3 Blockchain Engineer

We at Aurora Labs are looking to hire a Manual and Automation QA engineer. This is a full-time position that can be done remotely anywhere in the world.

Aurora builds an Ethereum-compatible network with increased scaling and lower transactions costs.
Your main responsibilities will be to develop new features and provide support on the Aurora engine. Notably, keeping up to date with Ethereum improvements as well as quality improvements on the performance of the engine.

Aurora Labs labs have created the Aurora Ecosystem which mainly consists of two components: Rainbow Bridge and Aurora Engine. Rainbow Bridge is a fully trustless and decentralized bridge that interconnects Ethereum and NEAR ecosystems. Aurora Engine is an EVM built on the NEAR Protocol, delivering a turn-key solution for developers to operate their apps on an Ethereum-compatible, high-throughput, scalable and future-safe platform, with low transaction costs for their users.

If you are eager to dive into the competing cross-chain ecosystem and would like to work in an energetic environment, surrounded by highly productive and meticulous engineers, we would be happy to see you in Aurora labs!

# Our Values 

* Execute extreme ownership 
* Strive for excellence 
* Embrace authenticity 
* Promote merit 
* Get shit done 

# Qualifications

* Exceptional ability to keep things organized during the development of complex projects with a distributed team
* Proficiency in Rust
* Deep understanding of Blockchain technology and Ethereum in particular
* Knowledge of the Ethereum virtual machine
* Experience working in critical infrastructure systems, i.e blockchain
* Self-motivation and ability to fully own tasks
* Fast learner with a natural curiosity
* Clear ability and willingness to hustle and get things done
* Extreme ownership mentality - ability to take extreme ownership and full responsibility of tasks and projects
* Passionate about blockchain technology
* Able to provide valuable feedback and input during meetings
* Professionalism and quality in work ethic
* Staying committed to weekly assignments and being able to follow through

# Nice to have

* Strong understanding of Ethereum smart contracts and best practices
* Experience implementing complex Ethereum contracts in Solidity
* Familiarity with NEAR
* Previous experience in the blockchain industry, particularly around the NEAR, Ethereum, Binance Smart Chain, or Solana ecosystem
* Basic knowledge of Javascript
* Basic knowledge of cryptography

Blockchain Engineer

Shard Labs is a global remote R&D blockchain company, embracing remote working culture. Our core specializations are protocol development (bridges between chains, client forks, and upgrades), dapp development (multichain), and running blockchain infrastructure in production-grade environments. Automatisation and continuous software delivery are part of our software development lifecycle.

Tech stack that we use (but are not limited to): React.js, Node.js, Solidity, Go, Rust, Docker. Our cloud platform of choice is AWS.

# Proudly partners with:

Starkware, NEAR, Moonbeam, Ethereum, Polygon, Polkadot, Celo, Lido, and many more.

We are also building multiple of our own products inside the space!

# Our values

We take pride in creating and nurturing an inclusive and exceptional environment where everyone is welcomed and accepted as they are. We believe that diverse teams essentially contribute to Shard Labs' growth.

Shard Labs' rapid growth results from a motivated, determined, and hard-working team. Our team brings experience in software development from around the world.

The knowledge and experience that you bring are essential for the starting point, but even more crucial to us is your hunger for learning, good organizational skills, and initiative in your daily work. No matter how much you already know, there's always something you can learn or teach. We trust our employees. We won't constantly be behind your back, so it is good to possess self-driven skills to make it easier for you to organize your work. We will be your inspiration, but we are open to hearing your voice too. We highly value good suggestions, fresh ideas, and new perspectives. 

We live and promote a good work-life balance. Our flexible work culture encourages you to have greater control regarding where, when, and how you work. If your dream is to make a career shift – we support exploring new fields right under our roof. We offer opportunities for personal growth, tons of autonomy and responsibility, a results-driven environment, a young international team, exposure to a wide array of ecosystems, and trailblazing technologies.

# What you will be doing:

You will be a developer within the StarkNet team, so some of the responsibilities on this project include: 

* Analyzing, designing, and developing software features and enhancements
* Participating in software design meetings and analyzing user needs to determine technical requirements
* Providing solid technical solutions to complex issues whilst helping us deliver the best user experience and improve our product
* Resolving the challenging technical and application problems of the project

# To qualify for the role, you should have:

* 2+ years of professional experience working with JavaScript/TypeScript
* Strong organizational skills
* Excellent verbal communication skills

# Added bonus if you have:

* Familiarity with Blockchain JavaScript libraries (web3.js or ether.js)
* Experience in developing npm packages and JS tools

If you see yourself as curious, motivated, and forward-thinking, willing to explore new blockchain worlds, and boldly go where no other developer has gone before, you are the right fit for us!

Don't hesitate to contact us and apply. You’ll have the opportunity to work on some of the most challenging and relevant issues in the blockchain ecosystem.

We strive to be the best destination for the industry's top talent, creating an open environment where bright ideas are given a chance to shine, and everyone is eager to lend a helping hand.

Let's explore and create new blockchain galaxies together!

JavaScript / TypeScript Developer

We are a team of ex-Google DeepMind AI researchers and engineers with extensive experience in designing and implementing cutting edge solutions to machine learning and numerical optimisation problems.

The mission of Kosen Labs is to bring the benefits of AI & advanced optimization to the DeFi space and beyond, all while keeping entry barriers low for the end user and allowing everyone to partake in the new decentralised economy.

We are funded by top-tier Silicon Valley and crypto-native VCs, such as Andreessen Horowitz and Framework Ventures.

# The role

We are looking for an ambitious Blockchain Engineer to join the growing Kosen Labs Engineering team. As a Blockchain Engineer you will work with our senior team members to develop and implement secure smart contract protocols and backend services to connect users with the Kosen ML ecosystem. The work will initially focus on the major DeFi protocols, primarily different AMMs and derivative protocols.

# Key Responsibilities

* Working independently on software development tasks;
* Contributing to the design of algorithms;
* Writing clean, straightforward, efficient code that satisfies acceptance criteria and specifications;
* Committing and submitting frequently small pull requests;
* Fixing bugs in your own code and in legacy code from others;
* Troubleshooting, debugging and upgrading existing software;
* Writing documentation for the code.

# Skills and Experience

* General knowledge of blockchain technology;
* Understanding of how EVM-based chains work;
* Proven 3+ years of experience in software or hardware engineering;
* At least 1 year of Solidity development experience;
* Good knowledge of development frameworks like Truffle, Hardhat or Brownie;
* Experience with web3.js or ethers.js;
* Experience with OpenZeppelin libraries;
* Experience using TDD methodologies;
* Basic financial knowledge;
* Familiarity with smart contract exploits.

# Nice to have

* Experience with DeFi protocols;
* Quant finance background;
* Basic understanding of machine learning technology.

# Personal Qualities

* Excellent verbal and written communication skills;
* Rigorous attention to detail and a desire to deliver high-quality work;
* Self-motivated with a passion for continuous improvement and learning;
* Willingness to adapt to a variable role and a great can-do attitude.

# Benefits

* Competitive salary;
* Equity and token allocation;
* Remote-first, flexible, and fun working environment;
* Unlimited time off;
* Occasional paid travel costs to conferences and off-sites.

London

Axelar is the universal interoperability network connecting all blockchain ecosystems, applications, assets, and users. Axelar network consists of a protocol suite, tools, and APIs, designed to break down the barriers to cross-chain communication. Powered by a decentralized open network of validators; anyone can join the network, use it and build on it. The Axelar network makes cross-chain communication as simple as using http(s) protocols on the web. Platform developers can plug-in their blockchains to other ecosystems, and application builders and users can leverage a simple protocol and API to access global liquidity and communicate with the entire ecosystem.

The Axelar team has deep roots in distributed systems, consensus, and cryptography. The venture has raised over $65M at a $1B valuation from leading backers such as Polychain, Dragonfly Capital, Rockaway Blockchain Fund, Coinbase, Binance X, DCVC, and others. It was founded by Sergey Gorbunov (PhD MIT) and Georgios Vlachos (MSc MIT), who previously worked together on the founding team at Algorand.

Axelar Mainnet is live and supports cross-chain asset transfers between Ethereum, Polygon, Fantom, Avalanche, Terra and Moonbeam with more networks and assets added regularly. Axelar has developed a sample cross-chain asset transfer application called Satellite, which provides a simple, efficient user experience to transfer assets between chains.

Axelar is building the infrastructure to connect web3. Join us!

# The Role

This is a newly created role for a motivated smart contract engineer who is interested in building the new financial stack from the ground up in the Axelar Network.

You will be designing new, decentralized products, whilst also implementing business logic across the different ecosystems through smart contracts.

# What you will be doing

* Building the new financial stack through smart contracts, working with testnets and deployment scripts.
* Assuring reliability and security across the Axelar Network.
* Writing and compiling the smart contracts across various blockchains.

# What you will need

* Experience with solidity, ERC-X contracts, bitcoin scripts and other smart contracts on other blockchains.
* Understanding of security pitfalls, vulnerabilities, mitigation strategies.
* Experience deploying and maintaining smart contracts on blockchains.
* Understanding of basic cryptography, mechanism design, distributed systems.
* A wealth of relevant experience within the blockchain world.

# About you

* You have a strong sense of ownership, with the ability to lead and share knowledge to reach solutions as well as the keenness to learn.
* You’re open to collaborating with internal and external stakeholders, flourishing in a distributed environment.
* You enjoy being hands on, being a self starter that thrives well in ambiguity.
* A problem solver at heart that can envision successful outcomes.
* You have a creative flair, always seizing an opportunity to do things differently.
* Understand how to use blockchains and DeFi as a user.

# Benefits

* Autonomous, distributed environment with the opportunity to work collaboratively in a diverse team across the world.
* The scope to contribute to high impact work and really make a difference in a decentralized protocol.
* Chance to really challenge yourself whilst learning heaps of stuff in the process.
* Unlimited time off throughout the year to rest and recharge.
* Competitive compensation with stock options, experiencing growth from the initial phase.

Security

Canada

Smart Contracts Engineer

Blockchains is committed to protecting and empowering individuals through the development of applications, services, and ecosystems designed to change the way people interact with technology, infrastructure, and each other. Software solutions in development by Blockchains focus on preparing the world for the next phase of the internet’s evolution – Web 3.0 – with an emphasis on digital identity, digital asset custody, IoT, and a stable means of digital payment.

Blockchains is dedicated to innovation, and its efforts do not stop at software. Blockchains envisions a world transformed by blockchain technology, in which digital- and real-world interactions are interwoven. Blockchains plans to build out a real-life sandbox in northern Nevada, where it, along with other like-minded companies and individuals, can come together to innovate and collaborate to create a better future for all.

# WHAT YOU WILL DO

As a Software Engineer specializing in Blockchain technology, you will be responsible for software development, deployment, and post-deployment maintenance for our blockchain-based products, along with maintaining Multisig Contracts. You will collaborate on functional requirements, product architecture, and design. You will work collaboratively with the Engineering, Product, and Cybersecurity teams to develop products that incorporate advanced private key management and storage technologies.

The essential functions include, but are not limited to the following:

* Building, maintaining, and deploying native cloud clusters for dozens of blockchain daemons in a scalable, highly available, and redundant manner.
* Developing robust and secure APIs, SDKs, services, and libraries to support wallet services, including hot/cold wallets, staking, and indexing.
* Ensuring quality and performance of the application specifications, including debugging and performance testing of code.
* Developing and executing novel security solutions to safeguard our clients’ assets.
* Maintaining policies, procedures, and technical documentation.
* Following and ensuring the implementation of security best practices and guidelines.
* Collaborating on architecture definitions and developing creative, scalable, and secure solutions for additional product features.
* Providing mentorship to your peers in the broader Engineering team through code reviews and education on best practices.

# WHAT YOU WILL NEED TO SUCCEED

Profound knowledge and experience in blockchain technology, software engineering, and decentralized software architecture. You can work with numerous cross-functional teams in a fast-paced, growing company. You have experience working with digital-currency custody, blockchain, or cryptography. You have a working knowledge of Kubernetes & Docker, Shamir's secret sharing scheme, multi-sig wallets, other common digital wallets, security paradigms TCP/IP network stack, DNS, SSL/ TLS, and how traffic on IP networks establishes end-to-end security and trust. You have a proven track record of delivering and owning web-scale pipelines systems in production. You love blockchain technology, want to bring it to the masses, and enjoy delving into novel emerging technologies like MPC (Multi-party Computation).

A plus is technical knowledge of elliptic-curve cryptography, homomorphic encryption, multiparty party computation and privacy-enhancing technologies, WebAssembly, compilers, and virtual machines.  Working knowledge of development, deploying, and running smart contract applications to Ethereum. Strong experience in working with public and permissioned blockchain technologies and distributed ledgers Implementing and integrating the latest improvement proposals from the blockchain community.

# YOUR EDUCATION AND EXPERIENCE

You have an MSc/MA in Computer Science or a related field or bachelors with equivalent work experience. A minimum of three years of software development engineering experience and experience working with Solidity is required.

Docker

Kubernetes

Software Engineer (Blockchain)

ChainSafe Systems is a blockchain R&D firm on a mission to realize the potential of Web3 infrastructure through sustainable, open-source development. Our vision is to create a world with organizations that empower people to build and innovate through blockchain agnostic tools and other distributed technologies.

We are global leaders in the industry, unique in our work across multiple blockchain ecosystems, and currently are pioneering technology and infrastructure related to Ethereum,, Polkadot and Filecoin. We are actively pursuing the development of our own product suite, having recently released Files and Storage, which allows users to upload and store files on IPFS and Filecoin with the goal of furthering development to provide a decentralized alternative to cloud storage.

ChainSafe is a unique company in a unique space, growing quickly and building a global reputation in this nascent space. Beyond offering experience across every major blockchain space to our team, we provide an open, inclusive, and supportive environment where we help folks reach their full potential as a human and as a professional.

# Here’s what you might want to know before reading on:

* Our stack is progressive and open-source and includes Go, Rust, and TypeScript.
* We spearhead ecosystem projects like Lodestar, Web3.js, Forest, Mina-rs, and Gossamer.
* We are global, remote-friendly, and open to contractors.
* Culture fit and alignment to our core values are extremely important to us. We are fueled by an immense intellectual curiosity of what technology can do and the impact it can have. You will thrive here if you are intensely driven by tackling technical challenges that no one else has solved yet and are inspired by the possibility of building the next generation of web infrastructure and decentralized systems.

# Responsibilities

* Proactively Research a wide range on edge blockchain technologies that are relevant to bridging techniques
* Play a key role in architectural and design decisions, building toward an efficient bridging solution for networks of different nature
* Facilitate development process over research done. Help developers during development and support cycles
* Identify, prioritize and execute tasks in the software development life cycle
* Write scalable, robust, testable, efficient, and easy to maintain code
* Follow latest security best practices
* Mentor junior engineers and do active code reviews
* Automate tasks through appropriate tools and scripts
* Document development phases and monitor systems

# Required Skills

* Be able to proactively dive into the novel territory and share knowledge on what you've learned
* Extensive knowledge of Ethereum network
* Experience with various blockchain protocols
* Deep knowledge in blockchain underlying cryptography
* Understanding of distributed systems, peer-to-peer systems.
* Practical experience and knowledge's in various DeFi’s
* Willing to research new technologies and possibilities for our product. Passion in writing documental reports and solution investigation based on research done.

# Bonus Skills

* Go, Rust is highly encouraged
* Typescript or JavaScript is a plus
* Substrate(Polkadot), Cosmos(Tendermint), Solana Knowledge
* Practical understandings of Bridges

We strongly encourage you to apply even if you don’t fit all the requirements. You don’t have to match all the listed requirements exactly to be considered for this role.

# Hiring Steps

Candidates for this position can expect the hiring process at Chainsafe to follow the order below. Please keep in mind that candidates can be declined from the position at any stage of the process.

* Qualified candidates will be invited to schedule a 30-45 minute screening call with one of our tech recruiters
* Next, candidates will be invited to schedule a 60-minute Cultural Interview with one of our Project Managers
* Then, Candidates will be asked to complete a technical task that takes under 4 hours, but we provide up to 5 business days to complete
* Last, candidates will be invited to schedule a 60-minute interview with the Team Lead

Senior Blockchain Research Engineer

* Strong foundational understanding of Ethereum mechanics
* Mempool
* Transactions and Events
* Gas
* Solidity experience
* Experience writing and deploying Solidity code to Ganache, Kovan, and Mainnet
* Ability to write full test coverage using Waffle, Mocha, and Chai
* Knowledge of common security vulnerabilities and infamous hacks
* Knowledge of popular design patterns and mechanics used in top DeFi projects
* JavaScript (web3 / ethers) + NodeJS / ReactJS Full-Stack Experience
* Ability to create scrips for deploying and maintaining contracts
* Ability to pull on-chain data and send transactions
* Ability to create a working front-end to interface with smart contract code
* Experience integrating with Ethereum service providers
* Etherscan / Alchemy
* TheGraph.com
* Etc

Smart Contract Engineer

Stake DAO is looking for a full time Senior Smart Contract Developer to join our global team of smart contract wizards, scaling our multi-service Decentralized Finance platform.

At Stake DAO, we are serious about creating an amazing work environment, filled with highly talented individuals working towards a common goal. This role will involve leading on multiple projects across different verticals and taking on a leadership role towards junior developers.

The ideal candidate will have extensive experience in writing, testing and deploying smart contracts (preferably in Solidity, that interact with other contracts on-chain, and have managed at least $500k in value). This candidate will work closely with other senior members of the team and help with sprint planning, execution, code design and reviews.

Along with the skills noted above, the ideal candidate will also have a ‘team player’ mentality and feel comfortable attending meetings and discussions.

# Skills required

* High level of proficiency in Solidity, Typescript, Node.js, React
* Bonus: Yul,, Yul+, Assembly (ZK knowledge)
* Familiarity with project management tools such as Linear, Monday, or similar
* Experienced in working alongside other team members with varying skill levels
* Demonstrated high degree of professional or personal interest in the crypto space (owns crypto and has used many different protocols)
* Fluent in English
* Strong communication skills are a big plus
* Integrity, positivity, and candor are key

# What we offer

* Competitive salary paid in crypto and streamed to you every second
* Flexible working hours
* Building close relationships with founders and teams at the forefront of DeFi
* Small, remote-first team across many countries - you’ll be an early member and help shape our vision and culture. Memes + fun every day

Cryptocurrency

Senior Smart Contract Developer

If Bitcoin formed the internet of money, NFTs form the internet of value. Everything of value in the physical world will be represented in the digital world in the form of a token - all physical value can be tokenized. The growing NFT industry, which sales in 2021 exceeded $2.5B, needs infrastructure to support its growth and we intend to build services and important infrastructure for this fast-growing ecosystem.

We believe that NFTs will become the standard for digital assets such as art, music, in-game items, items in online games, as well as items in the eventual metaverse. And, over time, we believe this will only grow, and NFTs will play a central role in how fans support their favorite creators and communities.

Our team is rapidly growing and aims to build the largest creator economy on the internet, powered by independent creators, digital goods, and NFTs. We are looking for strong engineers and leaders to help us seed the team, set its strategy, and build for the future. If you ask us, the NFT movement has only just begun, so come and join our team to get started.

# We offer:

* A dynamic environment, with a large amount of autonomy
* A place where your ideas are listened to and acted upon as a collective
* Build using the latest technologies
* Use and publish open source software
* Fully remote (must live/work from US, Canada, or Puerto Rico) with the option to live and work from San Juan, Puerto Rico (our headquarters)
* The company will cover 100% of the employee's premium for medical, dental, and vision
* $1K HSA contribution over the course of the year
* We provide a quarterly, all-expenses paid trip to Puerto Rico, to sync for team bonding activities

# Our tech stack:

* Languages: Typescript, Go, GraphQL, Rust, Solidity
* Infrastructure: AWS, Postgres, Pulumi, Datadog

# You will find it easier to do your job if you have the following qualities:

* Building large scale services that operate in a distributed environment
* Public cloud experience (AWS preferred; however, GCP, & Azure acceptable)
* Experience with technologies like oAuth, paxos, RAFT, etc.
* Crypto / Blockchain development experience preferred (smart contracts, oracles), but not required
* Experience working in a fast-paced environment is a must
* A team-player mentality - development is a team sport here

North America

NFT Senior Backend Engineer

Partisia Blockchain Applications is building, operating and promoting applications within the Partisia Blockchain ecosystem.

Partisia Blockchain is a cutting edge company with its primary focus being blockchain technology. This is a great opportunity for a self motivated dev to join early while we are still in a startup phase and have real influence in our company. 

# About the Role

The primary function of this role will be Rust and WebAssembly development but opportunities exists to move around within the team.

# Qualifications

* 2-3 years experience in Rust and WebAssembly work
* Experience with Figma
* Ability to troubleshoot and work independently when required

Benefits when working with Partisia

* flexible working hours
* remote first - you can work from anywhere you choose

This position is location-independent, but we ask that at least 5 of your working hours overlap with Eastern Standard Time (EST).

Blockchain

Rust and WebAssembly Developer

Are you an experienced golang engineer looking for a new challenge? One where you can play a key role in developing cutting edge decentralized technologies and make a positive impact in the world? Want the freedom to work remotely?

Regen Network realigns the agricultural economy with ecological health by creating a global platform for planetary stewardship. Using distributed ledger and remote sensing technology, our team is creating new tools for how humanity relates to its environment.

Our team spans Pacific Time to Central European Time.

# Responsibilities

As one of the leading projects in the Cosmos ecosystem, Regen Network is the principle maintainer of the Cosmos SDK. In this role, you will be joining a small and agile team working directly on the Cosmos SDK in close collaboration with other stakeholders in the Cosmos ecosystem.

# Responsibilities include:

* Participating in and driving technical specifications, design, architecture, and implementation for new features on the Cosmos SDK
* Writing reusable libraries and custom logic for blockchain state machines and ensuring solid test coverage
* Participating in code reviews
* Minimizing tech debt while strategically pushing for progress with new features
* Helping scale the team and create our engineering culture
* Participation and leading coordination for one or more of the SDK’s architecture working groups
* Quality and security is essential in blockchains, as there is no admin password to roll it back, and we encourage an atmosphere where we all teach and support each other as we strive for robust and solid systems.

# Requirements

* You should have multiple years working with Go in production, as well as solid experience in some other programming languages
* You balance perfection in code with hitting deadlines and delivering in a timely manner
* You enjoy learning and digging into open source code, committing on other projects
* You can organize yourself well, and can work in an agile manner
* You enjoy a healthy balance between working autonomously and collaborating closely with peers through pairing sessions and architecture design meetings
* You enjoy analyzing solutions and can participate in defining good architecture
* Good written communication in English is essential
* Previous experience working remotely and/or leading teams is a plus
* We are currently looking for applicants in European or US time zones (where the tech team currently is located) to allow for good communication, and minimal scheduling issues.

# Bonus Points for...

* Previous experience maintaining open source software (particularly libraries and/or frameworks)
* Previous experience working with the Cosmos SDK or related technologies

# Benefits

Our engineering team is well-known and respected in the Cosmos ecosystem for our leadership in technical design and implementation. We are happy to train you in many aspects of the Cosmos ecosystem including code architecture and building backwards-compatible systems for an immutable ledger without getting stuck in quicksand. We are currently implementing many major pieces for the above ecosystem, including flexible key management solutions, a new storage and state commitment layer for the SDK and adding NFT support.

Outside of the development team, there are experts with decades of experience in sustainability and regenerative ecology who are more than happy to share insights with you, and discuss paths to a positive future. We offer competitive salaries and a flexible work environment. We are aiming for full-time employees, but open to part-time or even contractors if it is a good fit.

Assuming full time role, this position includes a token/equity incentive compensation plan.

If you are based in the US, we can offer you employment and health insurance.

Cosmos

Senior Golang Engineer

Telnyx is a global communications platform and partner that powers carrier-grade services on an in-house built,  private, cloud-agnostic IP network. We power voice, messaging, video, wireless, numbering, fax, security, and networking solutions for businesses all around the world. Whether we’re processing mission-critical communications, hosting enterprise-grade contact centers, or powering simple in-app messaging and calling, our APIs make secure, high-fidelity connectivity the new standard. We’re working to democratize worldwide access to real-time communications over the internet.

# The Role

As a Solidity-focused Blockchain Engineer at Telnyx, you will work on the design and implementation of the new products and deliver features through a reliable, cloud agnostic, and globally distributed infrastructure platform.

# Responsibilities

* Design, development, and deployment of the blockchain infrastructure elements
* Advise on blockchain integration techniques including the proper use of relevant APIs and libraries
* Provide guidance related to securing interactions between the core cloud platform and various blockchain technologies

# Requirements

* At least 2 years of experience with blockchain technology integrations including a deep understanding of blockchain concepts and hands-on development experience.
* Proven expertise deploying validator nodes for different networks like Solana/Cardano/Avalanche
* Experience with continuous integration and deployment systems such as GitHub Actions
* Experience with developer-oriented blockchain technologies such as Ethereum smart contracts and Web3 libraries
* Experience with integrating common blockchain libraries such as Go-Ethereum into other software

# How we work

Telnyx is a diverse, inclusive organization focused on solving problems, building intelligently, and documenting our logic. We’re a CPaaS and networking leader, with industry experts and engineers who have built our cloud-agnostic platform in-house, from the ground up. We’re a concierge customer success team and a 24/7 support team. We’re a communications partner, focused on agile innovation, not a telecom slogged in antiquated processes and anti-competitive regulation. We’re an enterprise-grade conversation enabler, powering the global, enriched, multi-channel communications that today’s customers demand.

We're looking for people with passion, grit, and integrity. We believe in transparency, proactivity, and mutual respect. We provide the high-grade tools that help you do your best work, and keep up the collaborative habits that help everyone stay in the loop. No matter where you're based or which team you’re on, you’re plugged in, supported, and helping to shape the future of communications. 

# Perks

* Unlimited Paid Time Off (PTO) for full-time and contract employees
* Annual professional development budget
* Home Office Setup Perk
* Volunteer Days
* Top-notch equipment
* Fitness & wellness stipend
* Monthly home cleaning stipend

You're encouraged to apply even if your experience doesn't precisely match the job description. Your skills and passion will stand out—and set you apart—especially if your career has taken some extraordinary twists and turns. At Telnyx, we welcome diverse perspectives, rigorous thinkers and assumption challengers. Are you ready to join us?

Solana

Symphony Finance is building decentralized financial products that will disrupt the industry.

As an engineer, you will be working at the center of innovation and product development that will make a direct impact on decentralized finance. You will play a key role in keeping us moving forward in a way that not only ships new features but also maintains a culture of innovation, trust, and autonomy.

You will design the system, take part in making the technological decisions on which it would be based, develop it and take it all the way to successful deployment. You will closely interact with other core devs, who have built the protocol initially.

We are looking for people who would relish being part of an early startup, who would enjoy the thrill of creating exciting new product features - while also contributing to our team dynamic. We are a tight team and need the right people to grow Symphony Finance into the platform we envision.

# Your responsibilities will include (although not limited to):

* Building Symphony Finance’s product(s).
* Developing the backend services, UI & blockchain software.
* Working closely with the wider team to iterate on the product(s).

# Some of the skills/qualifications you may have:

* Experience working as a full-stack engineer.
* Experience building UI with next.js or react.js.
* Experience building scalable well-engineered backend services.
* Experience working with cryptocurrency/blockchain particularly solidity smart contracts.
* Experience programming in Typescript or Javascript.
* An understanding of software engineering and processes.
* Any experience in the finance industry (particularly exchanges) is good to have.

# Benefits will include:

* Highly competitive salary with equity.
* Remote working.
* Flexible work hours - we don’t focus on 9-5, you know when you work best.
* Unlimited holiday allowance.
* Professional and personal development - we have a healthy budget for training, conferences, online tutorials, and anything else that helps you progress.

We don’t expect you to tick all the boxes for this role, we’re looking to build a collaborative, focused team with a great culture that will deliver some amazing products - if that sounds like a place you see yourself, get in touch!

Senior Web3 Developer

We’re looking for a senior software developer with proven Rust experience on Solana and general familiarity with blockchain technologies.

# Responsibilities

If you join this role you will be able to:

* Work together in a senior team
* Pitch your own ideas regarding (technical) design
* Sync with Ethereum developers building other things in the space 

# Requirements & skills

We are looking for someone that:

* Is an experienced Rust developer
* Understands decentralized, high-performance systems
* Can analyze and optimize the platform’s performance
* Has idea of running tests in a distributed environment
* Has experience with security audits of third-party and internal solutions
* Has experience working on Solana, and understands the inner workings of its consensus. 
* Ability to design, research and develop blockchain-based solutions
* Understands how to improve engineering standards, tooling, and processes

Nice to have:

* Substantial experience
* Familiarity with DeFi such as yearn and curve.
* Ability to design algorithms and mathematical models

# Benefits 

* 100% remote & flexible hours
* Growing challenging environment
* Learning possibilities (conferences, meetups, courses, etc.)
* Additional equipment
* Paid time off
* Crypto payment (USDC)
* Independent Contractor