Omni is a multi-chain DeFi wallet, focused on surfacing opportunities to users throughout web3. From staking assets on 20+ different L1s, to bridging tokens across networks, Omni is the most powerful and user friendly wallet on the market.

# What we're looking for

We're seeking a talented backend engineer to help build out the infrastructure that makes our unique wallet experience possible. Especially difficult due to our multi-chain nature, your day to day work could range from wrangling TypeScript and deploying REST APIs, to indexing blockchains and decoding user submitted transactions.

You'll partner closely with our CTO on greenfield projects to help Omni scale to the masses.

# Responsibilities

* Create web3 integrations (staking, swapping, vaults, etc) that users will interact with via Omni
* Index data across a variety of networks including Ethereum, Near, Tezos, Solana and more
* Manage Terraform and Docker to deploy our services via AWS
* Write REST APIs and manage Postgres databases to surface information to our frontend
* Balance engineering speed and quality, with a focus on shipping.

# Qualifications

* 3+ years engineering experience
* Proficiency in TypeScript and Node
* Excellent communication skills
* (Optional) Existing web3 knowledge (EVM chains, Solana, CosmWasm, etc)

Ethereum

Web3

TypeScript

Solana

Berlin

Remote

Backend Engineer

ChainSafe is a leading blockchain research and development firm specializing in infrastructure solutions for the decentralized web. Alongside its contributions to major ecosystems such as Ethereum, Polkadot, Filecoin, Mina, and more, ChainSafe creates solutions for developers and teams across the web3 space utilizing our expertise in gaming, bridging, NFTs, and decentralized storage. As part of the mission to build innovative products for users and better tooling for developers, ChainSafe embodies an open-source and community-oriented ethos.

ChainSafe Systems is seeking dedicated Protocol Engineers to join the Lodestar team, Ethereum consensus (Eth2.0) implementation written in TypeScript.

# About Lodestar

Lodestar is an Ethereum Consensus (Eth 2.0) client and ecosystem of resources to provide and support the next generation of light-clients. Light clients are the missing piece in today's blockchain ecosystems to achieve decentralization across the entire stack. You will contribute in ensuring the long-term success of Ethereum while being at the edge of multiple technological fronts.

# About the role

As a protocol engineer, you will contribute to Lodestar by developing accurate, secure, and performant code to implement various specifications. No prior blockchain experience is required, but it is expected for you to gain protocol proficiency over time. You'll also have the opportunity to engage with the wider Ethereum Consensus community, other client teams and contribute to research efforts to influence its future design. The position is full-time and remote-friendly.

No prior blockchain experience is required.

# Responsibilities

* Understand a protocol specification and develop a highly performant implementation
* Research multiple solutions and evaluate their performance-memory trade-offs
* Research and develop novel light-client solutions
* Refactor and improve existing features in the client and supporting libraries
* Review, audit and test your teammates code
* Provide feedback on overall design decisions
* Collaborate with other protocol implementation teams to share knowledge and improve each other's clients

# Required skills and experience

* Extended experience developing highly performant, secure, and scalable software
* Senior Proficiency in Javascript and TypeScript (no front-end experience required)
* Experience in distributed applications and peer to peer networking
* Comfortable learning complex protocols from scratch
* Takes initiative, is a self-starter, be accountable for work
* Experience with open-source software or strong communication skills as we actively coordinate with external parties
* Strong familiarity with Node.js C++ internals and / or the v8 javascript engine

# Nice to have

* Experience with blockchain protocols
* Experience with cryptography
* Strong academic or engineering background
* Performance analysis and optimization, optimizing data structures and algorithms
* Devops, testing infrastructure, and CI for large systems
* Familiarity with open-source software principles.

Blockchain protocols

Cryptography

Europe

Protocol Engineer (Lodestar, Ethereum)

We are a team of world class builders and researchers with expertise across several domains: Ethereum Protocol Engineering, Layer-2, Decentralized Finance (DeFi), Miner Extractable Value (MEV), Smart Contract Development, Security Auditing and Formal Verification.

Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, StarkWare, Gnosis Chain, Aave, Flashbots, xDai, Open Zeppelin, Forta Protocol, Energy Web, POA Network and many more.

We actively contribute to Ethereum core development, EIP's and network upgrades together with the Ethereum Foundation, and other client teams.

Today, there are nearly 200 of us working remotely from over 45+ countries.

# About the Role

We are looking for a self-starter and growth-minded Staff Software Engineer to help develop Juno (StarkNet Golang Client). StarkNet is a permissionless decentralised ZK-Rollup operating over Ethereum enabling any dApp to achieve unlimited scale for its computation. You will be the core developer of the StarkNet ecosystem collaborating directly with StarkWare and other clients’ core developers impacting its architecture and infrastructure.You will be designing and implementing a StarkNet Client in Golang which will include the following:

* Efficient storage and retrieval of StarkNet state
* P2P layer and performant synchronisation mechanisms
* Data access layers, such as JSON-RPC
* Communication with Ethereum for state verification

# Requirements

* 5+ years of Software Engineering experience
* 2+ years of experience in Blockchain Protocol experience
* Passion for inner workings of Blockchain systems
* Strong programming ability and knowledge of Data Structures and Algorithms
* Robust design and architectural experience
* Experience with Software Testing and release management

# Nice to Have

* Extensive Golang experience
* Distributed networks (P2P)
* Performance and memory optimisations
* Blockchain / EVM / TransactionPool / JSON RPC
* Complex data structures for example; Patricia\Merkle/Verkle tries
* NoSQL Key Values databases for example; RocksDB
* Cryptography

# Perks and benefits:

* Fully remote
* Flexible working hours
* Plus equity

Algorithms

Senior Blockchain Engineer

The mission of Trust Machines is to 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 for DeFi and Decentralized Applications.

Zest Protocol is on a mission to expand the Bitcoin economy by building the first on-chain Bitcoin capital markets. We’re building a Bitcoin lending protocol that enables Bitcoin liquidity providers to earn Bitcoin yield through professionally managed lending pools. Zest pools lend to the most credit-worthy participants in the Bitcoin economy, allowing them to borrow against their future earnings and thus growing the Bitcoin economy.

We are a remote friendly-company — with our headquarters in New York and a strong commitment to ensuring people can do great work here and thrive without having to live near an office. This role is open to candidates across the world.

# About the Opportunity

We’re looking to work with a smart contract developer in our remote team who can help us upgrade and maintain Zest Protocol’s core smart contracts. Zest Protocol interacts with both stacks and bitcoin blockchains.

The ideal candidate has Solidity (or other smart contract language) experience, experience with Rust, and experience interacting with the bitcoin blockchain. As the second smart contract developer on the team, you’ll be responsible for co-designing and implementing the new contracts or contract changes.

# What You’ll Do:

* Design and implement new Zest Protocol v2 core contracts
* Ensure contract security by assessing potential attack vectors and preventing exploits
* Ensure code quality by reviewing together with other smart contract developer
* Respond to and fix issues raised by security audits
* Communicate and work closely with developer team

# What We’re Looking For:

* 2+ years of Solidity or other smart contract language development
* Demonstrable experience of deploying smart contracts run in blockchain protocols
* Knowledge of security best practices in smart contract languages (knowledge of reentrancy attacks, frontrunning, int overflow and underflow, other exploits..)
* Proven architectural design skills for creating efficient code patterns optimized for speed and performance
* Experience auditing contracts
* 4+ years of experience with Rust or other core programming language core programming languages (C / C# / C++ / python / other relevant)
* Strong computer science background
* Experience with web wallets
* BONUS: Experience with lisp programming language

# We’d Also Like to See:

* Love for Bitcoin and crypto
* Self-motivated & experience in working with small teams
* Attitude of humbleness towards technology and the risks of creating problems from trying to solve problems too early
* Experience building applications that interact with blockchains
* We’d love to hear from you even if you don’t have experience or interest in every bullet. There’s no perfect candidate and we want to find the right fit, even if it’s different than we imagine. We especially would like to meet underrepresented/underestimated candidates.

# Why Zest Protocol:

* Experienced founding team; founded multiple startups and one exit
* Fully funded and backed by Trust Machines, our parent company
* Flexibility to work from anywhere

# Compensation:

* Competitive NYC based Salary (regardless of location, benchmarked annually) + equity/token
* (Regardless of location: $90,000 - $180k Base Salary)

# What we offer:

* Work from home
* Competitive salary based on NYC comp (regardless of location, benchmarked annually)
* Token incentives
* Open Vacation Policy, take the days you need
* Up to 16 weeks of paid parental leave
* Your choice of technical setup and equipment

Rust

Smart contracts

Solidity

Smart Contract Developer

DXdao is building a suite of Web3 products. As such, it heavily relies on the technical expertise of solidity developers with strong knowledge of building on top of Ethereum. We are looking for a Senior Solidity Developer to join us on our multi-chain, AMM Swapr!

# What you should be interested in doing:

* Building the next generation of DeFi products.
* Working on the cutting edge of decentralization.
* Contributing to a distributed, consensus based, and on chain organization.
* Creating unique solutions to dApp specific user experience challenges.
* Researching into new areas around DeFi space and experiment how these could be integrated towards Swapr / DXdao ecosystem.
* Designing, implementing, testing, and auditing protocol upgrades and additions.
* Driving high-level decisions about Swapr protocol architecture, features, quality standards, and best practices.

# Core responsibilities on Swapr:

* Define, prioritise and lead smart contracts roadmap.
* Discover, architect and implement tech stack that will yield competitive advantage and ensure a stable and scalable product.
* Identify opportunities and risk in the ecosystem and propose initiatives.
* Drive the design, development, and implementation of new Swapr features.
* Coordinate deployment and expansion of Swapr on new EVM networks.
* Lead ongoing technical initiatives around bringing value to SWPR token
* Smart contract related operations.

# We are looking for:

* A DAO/DeFi enthusiast who wants to build open source decentralized applications focused on financial freedom and privacy.
* An independent, self-starter who is comfortable working in a fast-paced environment.
* Someone with extensive experience in solidity (ideally +2 years) and in deploying AMMs.
* A contributor with excellent written and verbal communication skills and can collaborate effectively on a breadth of technical topics.

DeFi

Portugal

Senior Solidity Developer

Offchain Labs is building a suite of scaling solutions for Ethereum. This includes Arbitrum, an Optimistic Rollup, that instantly scales apps, reducing costs and increasing capacity, without sacrificing Ethereum's security. Porting contracts to Arbitrum requires no code changes or downloads since it’s compatible with existing Ethereum developer languages and tooling.

Our team is extremely passionate and works tirelessly to bridge the gap between what blockchain is and what blockchain can be. We strive to maintain an atmosphere that fosters innovation and new ideas through collaboration, research, and deep discussions. After raising an initial round of $3.8M in seed funding in January 2019 and a $20M series A, as well as a $100M series B in 2021, we are ready to hire additional team members that have an interest in working in the blockchain space and a knack for approaching problems in unconventional ways.

# Who you are:

* Great understanding of blockchain development on the Ethereum Network
* Experience with solidity and other Web3 related technologies
* Possess a strong sense of ownership in your work, which drives you to find ways to do things better and faster
* Always up-to-speed on the latest technologies
* Constantly on the lookout for new and innovative ways to solve complex problems through rigorous experimentation
* Your communication style is open, transparent, and direct, and you consistently work in tight collaboration with your teammates
* Always open to feedback, new ideas, and opportunities for self-improvement
* You look for ways to help out beyond the scope of your day-to-day work

# What you've done:

* Have dabbled in, educated yourself on, or are experienced working on blockchain technology
* Eager to bring cutting-edge research to the real world and help build a platform for the next generation of cryptocurrency applications
* Security-minded and always keeping an eye out for potential threats and vulnerabilities in your code
* Mastered CS fundamentals, either in a formal university program or through self-learning

Blockchain Developer

Shard Labs is a global remote R&D blockchain company. We are specialists in building digital products that require blockchain implementation. While producing blockchain technology we rely on and use two cores of blockchain-based systems: transparency and trust.  "A world where people have control over their money, data, and power of governance" is our vision. 

Tech stack that we use (but are not limited to): React.js, Node.js, Solidity, Go, Rust, Docker, Cairo. Our cloud platform of choice is AWS.

Proudly partners with: Starkware, Moonbeam, Kerberus Prime, Ethereum, Polygon, Polkadot, Celo, Lido.

We are looking for a Senior Engineer Manager to join our team. This is an excellent opportunity for those professionals looking to develop in one of the fastest-growing companies in the industry!

# Main Activities:

* Build and manage backend engineering teams and guide the development of services and infrastructure across both web and mobile.
* Collaborate with engineers, designers, product managers and senior leadership to turn our vision into a tangible roadmap every quarter.
* Manage a team to break down complex projects into smaller pieces and iterate on their design and implementation.
* Lead the development of smart contracts and the performance of blockchain integration with existing applications.
* Be a thoughtful technical voice and support your team in making diligent architectural decisions.
* Research and test new technologies to use for the project.
* Collaborate with the team, and other stakeholders to maintain a high quality in a fast-paced, iterative environment.
* Work with our talent organization to source and hire amazing engineers who will expand the ShardLabs culture and product.

# What are we looking for:

* 4+ years of experience as an Engineer
* Experience working with WEB3 prefered
* Knowledge of continuous integration tools and blockchain management tools.
* Team Management and Stakeholder Management
* Advanced English level.

# Important to know about us:

* Remote work is our thing. We take pride in creating and nurturing an inclusive and exceptional remote environment where everyone is welcomed and accepted as they are.
* Our rapid growth results from a motivated, determined, and hard-working team that brings experience in software development from around the world.
* The knowledge and experience you will 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 somebody you can 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 also open to hearing your voice. We highly value good suggestions, fresh ideas, and new perspectives.
* We live and promote a good work-life balance. If your dream is to make a career shift – we support exploring new fields right under our roof.

Blockchain

Management

Web3 Senior Engineering Manager

Vesta is building a suite of new products, hoping to combine data analysis, invention, and rigorous inquiry to help bring decentralized finance to the mainstream.

We are seeking a solidity engineer to join our Engineering team.

# Engineering at Vesta

When you join Vesta product team, you’ll take on a key role on the development and the improvement of our services. You’ll try to solve unresolved issues that will push forwards Vesta’s products and the ecosystem of the blockchain.

# The Team

The Blockchain Developers Group is looking for a passionate Solidity developer to work on maintenance and development of new product. Your primary focus will be to work closely with the product design team on Vesta V2.

Blockchain Developers Group is responsible for developing and maintaining all contracts, secuirty, data analytics and indexing events for the front-end team (e.g: TheGraph).


# Your day to day

As a Solidity Engineer you will work on
* Developing new services and features using Solidity, Foundry for the blockchain and Typescript for deployment scripts & GraphQL
* Collaborating with the team to architect and design robust, resilient, and maintainable solutions in an Agile environment, ensuring the quality of the delivered product
* Deploying, operating and maintaining services in production
* Ensuring scalability and availability of the services
* Collaborating with product owners and front-end developers to deliver features while meeting team deadlines

# What we’re looking for

As a Solidity Engineer, you background will look like
* 2+ Years of back-end engineering experience in the software industry
* 1+ Years of engineering experience in the blockchain industry
* A good understanding of Solidity, Typescript, EVM, OOP and Functional programming
* A good understanding of Foundry
* A good understanding of Google Testing Pyramid
* A good understanding of Proxies
* Experience with debugging tool to debug local code & past TXs
* Experience with a source control tool (Git, Github)
* Experience working in an agile environment with CI/CD processes
* Experience with auditing tools like slither
* Experience creating UML’s flow and software architecture

# You will enjoy the following benefits:

* Pay: Competitive salary + token ownership
* Learning: Tuition reimbursement, conference and training sponsorship
* Time Off: Generous vacation and unlimited sick days
* Hybrid Work Policy: Flexible in-office days in Vancouver with budget for home office setup

Canada

Solidity Engineer

We are a team of world class builders and researchers with expertise across several domains: Ethereum Protocol Engineering, Layer-2, Decentralized Finance (DeFi), Miner Extractable Value (MEV), Smart Contract Development, Security Auditing and Formal Verification.

Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, StarkWare, Gnosis Chain, Aave, Flashbots, xDai, Open Zeppelin, Forta Protocol, Energy Web, POA Network and many more.

We actively contribute to Ethereum core development, EIP's and network upgrades together with the Ethereum Foundation, and other client teams.

Today, there are nearly 200 of us working remotely from over 45+ countries.

# The role:

We’re looking for auditors and developers with smart contract auditing experience/knowledge to join our smart contract auditing team. You'll work on projects written in Solidity, Cairo, or both. We are looking for someone who has a solid understanding of the Ethereum Virtual Machine, Yellow Paper, and the Solidity language. You’ll get the opportunity to work at the bleeding edge of blockchain technology and interact with different teams working in every aspect of Ethereum and StarkNet.

# Responsibilities:

* Work directly with protocols in the Ethereum and StarkNet ecosystems to review their code and help secure their protocols;
* Collaborate with teammates to maintain and continually improve our existing blockchain security tools using modern software engineering practices;
* Develop new blockchain security tools;
* Engage in meetings with clients to discuss security and best practice improvements.

# Requirements:

* 1+ year(s) of experience in Solidity security analysis;
* Solid understanding of the Ethereum Virtual Machine and Yellow Paper;
* Fluency in Solidity development and the deployment of smart contracts;
* Detailed understanding of common smart contract vulnerabilities;
* Fluency with common tools and frameworks used for development and security analysis of smart contracts;
* Strong debugging skills and/or experience in reverse engineering;
* Basic knowledge of Cairo and Starknet.

# Nice to have:

* Multiple years of prior experience in traditional cybersecurity (before transitioning to the blockchain space);
* Experience in Cairo development;
* Solid understanding of StarkNet;
* Good written and verbal communication skills;
* Understanding of most common DeFi applications.
* A portfolio of blog posts or presentations on DeFi or security-related topics;
* Publicly visible audit reports in your portfolio.

# Perks and benefits:

* Fully remote
* Flexible working hours
* Plus equity

Security

Smart Contract Auditor

Reservoir is a developer-focused NFT orderbook and liquidity aggregator. Our mission is to provide open and scalable infrastructure powering the next wave of NFT applications.

# About the role:

We are looking for a Protocol Engineer to join our development team. As a Protocol Engineer you will focus on building blockchain protocols and smart contracts for the Reservoir ecosystem.

# About you:

* You are passionate about web3, NFTs and other emerging technologies
* You thrive in a fast paced, high-autonomy environment
* You enjoy collaborating with other engineers and technical product people
* You have an appetite to continuously learn, grow, and contribute

# Skills and qualifications:

* 4+ years of experience as a software engineer
* 1+ years of experience developing on Ethereum or EVM-compatible blockchains
* Experience writing Solidity smart contracts and using general web3 libraries (ethers.js, foundry, etc.)
* Knowledge and understanding of typical protocol design patterns for NFTs and NFT marketplaces
* Experience with Typescript/NodeJS

# Perks at Reservoir Labs:

* Competitive salary and equity packages
* Flexible medical, dental, and vision benefits for you and your family
* Fully remote - Work from anywhere

Protocol Engineer

The mission at Satoshi Energy is to accelerate progress toward a world with decentralized sound money and abundant sustainable energy. The company was founded in 2018 based on the idea that 24/7 power markets will benefit from 24/7 financial settlement and that the most sustainable and successful bitcoin mining will be powered by low cost renewable energy. Today, we are connecting renewable energy assets with bitcoin mining data centers under novel contract structures. In the future, we envision every kilowatt-hour streamed to an energy consumer will be settled instantaneously with a payment streamed to the energy producer.

As a Bitcoin Software Engineer, you will join a small, focused team of bitcoiners, engineers, and energy experts and have the opportunity to find novel solutions to technical challenges in the bitcoin and energy space. You will work across the organization and assist us with research, design, development, and deployment of cutting-edge solutions. As we grow, you will be instrumental in helping to build the team and build a more decentralized and sustainable future.

# Your Day to Day

* Work alongside product managers and fellow engineers.
* Architect and build real-time financial settlement applications for the energy industry.
* Write specifications for energy related Bitcoin and layer 2 (i.e. Lightning Network) protocols.
* Collaborate and communicate with sales, development, and operations teams to understand the needs of our customers.
* Mentor and train other team members on Bitcoin and layer 2 (i.e. Lightning Network) related best practices.

# Requirements

* Minimum 7 years experience programming, preferably in the energy or fintech industry.
* Expert understanding of the Bitcoin and layer 2 (i.e. Lightning Network) protocols.
* Experience setting up and maintaining cloud infrastructure for critical systems
* Experience building high-quality, innovative, and fully performing software in compliance with coding standards and technical design.
* Strong focus on collaboration, ownership, and test-driven development.
* Self-motivator with the flexibility and willingness to work on various initiatives simultaneously.

# Desired Skills and Experience

* Obsession with bitcoin, bitcoin mining, and energy markets.
* Desire to build a future with sustainable energy and sound money.
* Experience successfully managing software development teams and projects.
* Knowledge of security best practices, cryptography, and ongoing developments in the industry.

# Company Culture

* We are free thinkers, we believe in meritocracy, we challenge assumptions meticulously, and we don’t get overly emotional if we’re wrong.
* We believe in providing freedom and responsibility to foster a growth culture based on trust, transparency, and teamwork.
* We encourage each other to seek discipline, balance, and fun in all parts of life, so that we can always perform at our best on the job.
* We are a distributed team on a mission to build decentralized global power markets. You are welcome to work remote or join the team in Austin or Houston, Texas.

# Benefits

* Bonus plan, 401k, and equity participation.
* Medical, Dental and Vision.
* Unlimited PTO.
* Company gatherings in fun places - the best of being fully remote while still coming together regularly!

Cryptocurrency

BitCoin

Bitcoin Software Engineer

* Build smart contracts and corresponding tooling and infrastructure on Ethereum and Polygon
* Translate features into development stories in collaboration with product management and drive their delivery & execute the backlog
* Join the full lifecycle of contract development, including requirement gathering, dev, test, deployment and event monitoring.
* Code review the work of peers to assure quality, security, and performance
* Research new trends & assets in the DeFi ecosystem
* Work with other world-class crypto and DeFi protocols and their founders and developers
* In your application, please provide a brief summary of your coding experience and please include two relevant links/examples that show your best work.

# Requirements

* You’ve shipped products and delivered successful releases
* You have 4+ years of experience as a software engineer
* 1+ years of experience with Solidity, Vyper or smart contract development preferred
* Strong knowledge of NodeJs, Javascript/Typescript, HTTP, WebSockets, JSON-RPC
* Advanced knowledge of AWS (EC2, ELB, RDS, etc.)
* Experience working with agile methodologies (Scrum, CI/CD, TDD, Pair Programming)
* You are proactive. You come up with great ideas and prove them with data.
* Fluency in English, German is a plus (other languages a bonus)
* Accept and retain a large degree of independence and ownership for your decisions and dedicated tasks
* Very high attention to detail with emphasis on quality

# Awesome extras:

* You have worked with a FinTech or Financial Services service before
* Experience with web3 related libraries and API design
* Passion for blockchain technology, crypto-economic protocol design, game theory and/or decentralized finance
* Strong debugging skills and/or experience with reverse engineering

# With us, you’ll get:

* A competitive compensation package and profit participation in our token
* The opportunity to be part in one of the most exciting tech projects of 2022
* To work directly with highly experienced founders (built and sold 3 well known FinTech companies) on building and scaling a world-class DeFi product
* Direct influence on our development and vision with your contributions being valued accordingly
* A focused, communicative team with aligned goals
* Great market opportunity and growth potential
* Time off when you need it
* Subsidized public transportation ticket
* Regular team lunches and fully-stocked kitchen

JavaScript

Germany

WalletConnect is the open-source web3 standard to connect blockchain wallets to dapps. Any wallet, any dapp, any chain. Starting in 2018, our mission is to make web3 accessible to everyone. Every month, millions of people use WalletConnect in over 300 integrations. We just raised our $11M Series A from USV, Coinbase and other leading investors, and are looking to grow.

# The Role

As a Javascript Blockchain Engineer, you will join our small team and develop and maintain the Javascript SDK implementation of the WalletConnect protocol. You have a passion for open-source software, and will work on code that is deployed throughout the web3 ecosystem. The role involves implementing new features from protocol specifications, creating documentation, as well as client testing. The position is full-time and completely remote.

# Responsibilities:

* Read and understand a protocol specification and be able to break it into issues and turn it into code
* Refactor and improve existing features in the client
* Ensure the client stays compatible with the other client implementations
* Develop and publish helper packages on NPM for blockchain JS libraries

# Must have:

* 3+ years professional experience in software development at least one modern programming language, including Javascript, TypeScript, Golang, C++, Java, or Rust.
* At least 1 year of professional Javascript or Typescript experience.
* Experience with Websocket APIs and JSON-RPC protocol

# Nice to have:

* Experience with blockchain protocols, whether it be usage of a blockchain API, knowledge of how a blockchain operates, or any other experience
* Experience with blockchain-related libraries, such as Web3.js and/or Ethers.js
* Experience with documenting a large codebase, both for internal and user-facing components
* Familiarity with open-source software principles
* Experience writing software from a technical specification or a reference implementation
* Experience with building and publishing npm libraries (we use Webpack / Rollup)

# What WalletConnect offers:

* Fully remote position
* Competitive salary
* Remote work allowance
* Company equity
* Token offering

Javascript Blockchain Engineer

We are a team of world class builders and researchers with expertise across several domains: Ethereum Protocol Engineering, Layer-2, Decentralized Finance (DeFi), Miner Extractable Value (MEV), Smart Contract Development, Security Auditing and Formal Verification.

Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, StarkWare, Gnosis Chain, Aave, Flashbots, xDai, Open Zeppelin, Forta Protocol, Energy Web, POA Network and many more.

We actively contribute to Ethereum core development, EIP's and network upgrades together with the Ethereum Foundation, and other client teams.

Today, there are nearly 200 of us working remotely from over 45+ countries.

As a Blockchain Data Engineer, you'll be responsible for building and maintaining the data infrastructure for the DeFi projects Nethermind is involved in. You'll write and maintain ETLs and their orchestration in order to build meaningful products and APIs.

# The role:

* Building bespoke data infrastructure for various projects.
* Crawl and ingest data from various blockchains.
* Create scalable systems to solve different problems using modern cloud technology and industry best practices.
* Design database schema that is performant, scalable, and maintainable
* Assist with data analysis queries, carrying out data analysis on the infrastructure.

# You have:

* Experience/strong interest in blockchain
* Experience in greenfield data engineering projects, specifically in data infrastructure projects.
* Advanced knowledge of modern data pipeline architecture and cloud platforms, e.g. AWS/GCP/Azure.
* Proven success in communicating with users, other technical teams, and senior management to collect requirements, and describe data modeling decisions and data engineering strategies.
* Hands-on design experience with data pipelines, joining data between structured and unstructured data.
* Knowledge of data pipeline tools (e.g. Snowflake/Redshift/BigQuery, AWS lambda/S3, Apache Airflow, Spark/Hadoop etc.).
* Comfort with one or more: Python/Scala/Java/Golang
* Comfort writing SQL queries.

# Nice to have:

* Knowledge of software engineering best practices across the development lifecycle, including agile methodologies, coding standards, code reviews, source management, and build processes.
* Comfort with infrastructure as code, Terraform/Terragrunt
* Strong understanding of distributed systems and Restful APIs

# Perks and benefits:

* Fully remote
* Flexible working hours
* Plus equity

Java

Scala

Blockchain Data Engineer

As a Solidity Engineer, you will help us design and deploy our next generation of smart contracts. You will work closely with engineering leads, and partners to prototype smart contracts that extend our core architecture as well as lead efforts to upgrade and optimize our contracts running on EVM based networks. The goal is to create a suite of smart contracts that make up the Safe protocol, bringing the best UX and maximum flexibility to our users. Security is critical, so a strong attention to detail is a must.

* Location: Berlin, Germany
* Our Tech Stack: Solidity, Hardhat, Typescript

# What you will be doing:

* Develop smart contracts for the Safe protocol
* Iterate on existing smart contracts (e.g. core contracts)
* Evaluate and idea value capture opportunities on contract level
* Support external developers on contract usage (e.g. StackExchange)
* Document the Safe protocol approaches/ solution
* Collaborate with product team (Engineers, designers, stakeholders) on protocol/contract related features

# What you will bring:

* Experience with modern Solidity stack (hardhat, truffle, various plugins, package managers, linters, code cov etc.)
* Experience debugging and simulation of contract interaction with local nodes (e.g. hardhat and ganache,
* Proven experience with different Ethereum development platforms (e.g. Remix, Tenderly, OpenZepplin)
* Experience with Solidity libraries (e.g. Remix, Tenderly, OpenZepplin)
* You have worked on the projects that have been audited
* Testing knowledge (coverage, automation, integration)

# Nice to have skills:

* Expert in EVM details/design
* Deep knowledge in Ethereum RPC usage
* Familiarity with tokenomics
* Typescript for testing

Truffle

Senior Solidity Engineer

There is a steep learning curve when it comes to crypto. Only once overcome will we have mass adoption. Aldrin Labs aims to debunk the belief that decentralized finance is inherently complex and separate from centralized finance. We will amend the frustratingly poor user experience and fragmentation that millions of crypto natives and newcomers face. We will seamlessly merge the centralized and decentralized world.

Aldrin Labs aims to be purposeful. We strive to halve the fifty working years of the average person. This is the mission of Aldrin Labs.

Aldrin Labs has Aldrin DEX and is incubating an innovative crypto wallet and money market. These protocols will integrate with each other to provide easy functionality and purposefully help people achieve financial freedom.

Aldrin Labs is well funded ($8M) and aggressively looking to expand our 30+ employee count.

Aldrin Labs is a fully remote company. We are interested in capturing the best talent, no matter where you live.

# The Role

We’re looking for a Senior Front-End Developer Web3 (Remote) to develop front-end applications for Aldrin’s new products, including but not limited to our centralized and decentralized exchange platform, as well as other internal applications, as necessary.

# You will:

* Build, deploy, and mature user-friendly, highly secure, maintainable, high-performance scalable interfaces, and client-facing UI systems
* Work closely with our product and design teams to develop new features from design to production
* Have an entrepreneurial spirit and bring ideas to front-end development
* Work effectively with a high degree of autonomy, but also enjoy working collaboratively in a team
* Understand the front-facing user experience of our products, and work alongside other team members to ensure that we utilize best principles/practices
* Design new and optimize existing systems and participate in design reviews

# Minimum Qualifications:

* 5+ years of experience in front-end development
* Expertise in front end development with React (ideally 5+ years or at minimum 3+ years extensive experience), with an understanding of React best practices, optimizations, and profiling
* Strong experience with GraphQL/Apollo/REST
* Verbal fluency in English
* Interest and enthusiasm for crypto markets, blockchain technology, decentralized finance, and the whole Web3 ecosystem

# Nice-to-Have Qualifications:

* Experience with TypeScript and JavaScript
* First-hand experience with Web3 front-end technologies and developing DeFi applications and/or FinTech applications
* Experience working with a large codebase and e2e testing like Cypress
* BS in Computer Science or equivalent

# Benefits

* Competitive salary
* Remote work in a dynamic, fast-growth Web3 startup
* Flexible working hours
* Opportunity to work with a diverse, global, and passionate team
* Collaboration with leading projects and thought leaders in the crypto space

React

GraphQL

Senior Front-End Developer Web3

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

Senior Web 3 Front-End 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

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

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

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

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

Blockchain Engineer

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.