Blockchain/Solidity Developer

About ConsenSys

ConsenSys is the leading Ethereum software company. We enable developers, enterprises, and people worldwide to build next-generation applications, launch modern financial infrastructure, and access the decentralized web. Our product suite, composed of Infura, Quorum, Codefi, MetaMask, and Diligence, serves millions of users, supports billions of blockchain-based queries for our clients, and has handled billions of dollars in digital assets. Ethereum is the largest programmable blockchain in the world, leading in business adoption, developer community, and DeFi activity. On this trusted, open source foundation, we are building the digital economy of tomorrow. To explore our products and solutions, visit http://consensys.net/.

About the Codefi product group

Codefi is at the forefront of the blockchain fintech revolution. It builds, deploys and runs critical applications across both Enterprise and crypto/DeFi, multiple blockchain verticals (digital assets, payments, data, markets, networks, staking, Ethereum 2.0), as well as ConsenSys鈥檚 other industry leading products, including MetaMask, Quorum and Infura. The Codefi team is composed of multiple decentralised product teams across all verticals distributed across Europe and US and working mostly remotely.

With our products like MetaMask, Infura, and Quorum serving as gateways for over a million worldwide users to interact with new blockchain and 鈥淒eFi鈥� applications like Uniswap, Maker, Compound, we need innovative problem solvers who are interested in tackling the complex challenges that exist in the blockchain and financial ecosystems and scaling developer and user-facing systems to tens of millions of users.

What you鈥檒l get to work on

Blockchain technology and 鈥淒eFi鈥� are changing finance by making it accessible and equitable to everyone, everywhere. You鈥檒l play an integral part in this transformation by making interacting with complex financial and blockchain data not only simpler and better, but delightful.聽

As a Blockchain/Solidity Developer you will join a world class technical team, with State of the Art expertise in developing & delivering advanced decentralized applications across various crypto/DeFi use cases (NFTs, staking, lending/borrowing, trading/AMMs) and institutional use cases (digital assets and payments). You will join a multinational agile and product team where you will be responsible for the delivery of Solidity smart contracts and DApps in production to a wide range of users.

Required skills:

• 3+ years of experience as a Software Engineer聽
• 1y+ years of Solidity smart contract development experience聽
• 2+ years of as front-end or fullstack or backend developer (React, Node.js, ideally Typescript)
• Experience developing, deploying and running Dapps/smart contracts in production on Ethereum mainnet or L2/sidechain (ideally DeFi Dapps/protocols and/or token-based use cases)
• Knowledge of secure Solidity development patterns for tokens and DeFi protocols聽
• Good understanding of Javascript ethereum SDKs (web3,js, ethers.js)
• Good knowledge of most prominent ERC/EIP Ethereum standards聽
• Good knowledge of smart contract development tools/frameworks (Truffle, Hardhat)
• Experience using smart contract auditing tools (MythX, other)
• Experience working in CI/CD setup
• High quality and testing standards
• Good documentation practises

Bonus points for any of:

• Experience developing and contributing to open source projects
  (incl. but not limited to Solidity open source codebases)
• Familiarity with DeFi protocols mechanics and smart contract codebases, and/or digital assets/payments and other token standards like ERC-777/20/721/1155/1400 and existing open source聽 implementations (OpenZeppelin, Universal Token, etc.)
• Knowledge/understanding of cross-chain interoperability techniques (HTLC, bridging)
• Knowledge/understanding of L2 technologies (ZK/optimistic rollups, PoS/PoA sidechains)
• Experience using smart contract auditing techniques (fuzzing, other)
• Deep knowledge/experience understanding of EVM聽
• BSc/MSc in Computer Science or related subject

Other skills to demonstrate:

• Excellent verbal and written communication in English
• Teamwork, flexibility, initiative, communication and organization
• Ability to share knowledge, train other developers
• Willingness to constantly learn & improve, challenging yourself to stay at the top of your game

Don't check all of the boxes? Don't sweat it. We鈥檙e passionate about building a diverse team of humans and as such, if you think you've got what it takes to create a world-class infrastructure and tools function in our chaotic-but-fun, decentralised, remote-friendly, start-up environment鈥攁pply anyway. While we have a pretty good idea of what we need, we're ready for you to challenge our thinking on who needs to be in this role.

Why join ConsenSys?

Here are some of the perks of being part of a unique organization like ConsenSys

One of the most recognized tech companies in the blockchain ecosystem globally. A work experience at ConsenSys is a tremendous reference for your future career. ConsenSys alumni have moved on to become tech entrepreneurs, CEOs, and team leads at tech companies.

The forefront of a revolution. We fundamentally believe blockchain is a next generation of technology that聽 can lay the foundation for a more just and equitable society. You can be a part of building the digital economy of tomorrow and radically transforming our society for the better.

A dynamic startup environment with deep roots. We are one of the earliest blockchain companies and a leader in the space.聽 You鈥檒l join a network of entrepreneurs and technologists that reaches the edge of our ecosystem.聽聽聽

Deep technical challenges. Blockchain technology is just over 10 years old. Ethereum itself is still a toddler. There is much to be done before these platforms can scale to the order of millions or billions of users. We are building the tools, infrastructure and applications l that are pushing the technology forward.

Continuous learning and improvements. You鈥檒l be constantly exposed to new concepts, ideas and frameworks from your peers and as you work on different projects 鈥� challenging you to stay at the top of your game.

Don't check all of the boxes? Don't sweat it. We鈥檙e passionate about building a diverse team of humans and as such, if you think you've got what it takes to create a world-class infrastructure and tools function in our chaotic-but-fun, decentralised, remote-friendly, start-up environment鈥攁pply anyway. While we have a pretty good idea of what we need, we're ready for you to challenge our thinking on who needs to be in this role.

ConsenSys is an equal opportunity employer. We encourage people from all backgrounds to apply. We are committed to ensuring that our technology is made available and accessible to everyone. All employment decisions are made without regard to race, color, national origin, ancestry, sex, gender, gender identity or expression, sexual orientation, age, genetic information, religion, disability, medical condition, pregnancy, marital status, family status, veteran status, or any other characteristic protected by law.

ConsenSys is aware of fraudulent recruitment practices and we encourage all applicants to review our best practices to protect yourself which can be found here.