Senior Backend Engineer - MetaMask (Wallet API)

Senior Backend Engineer - MetaMask (Wallet API)

Location: US, EU, Canada, LATAM - Remote

Type: Full-Time

About ConsenSys:

At ConsenSys, we are pioneers in the Web3 space, redefining the future of decentralized technologies. Founded by Joe Lubin, Co-Founder of Ethereum, ConsenSys has been at the forefront of innovation since 2014, shaping the blockchain and cryptocurrency ecosystem. Our suite of products, including MetaMask, Infura, Linea, Diligence, and Phosphor, are instrumental in bringing decentralized applications (dApps), NFTs, and DeFi platforms to life.

We believe in the power of Web3 to unlock new opportunities for developers, users, and creators around the world. Our mission is to make the decentralized web accessible to everyone, empowering individuals and communities through blockchain technology. With a focus on cryptocurrency, smart contracts, and Ethereum, we are building a future where financial freedom and privacy are paramount.

About MetaMask:

MetaMask is the gateway to the decentralized web, serving millions of users globally. It's both a crypto wallet and a tool that enables interaction with the Ethereum and Bitcoin blockchains, making it easy for users to manage their digital assets, access decentralized applications, and explore the world of Web3. MetaMask is used for everything from crypto payments to gaming and investments, all in one seamless experience.

As we continue to evolve MetaMask into a powerful platform for cryptocurrency and blockchain applications, we are looking for a Senior Backend Engineer to join the Wallet API Platform team. This team is critical to empowering developers and enabling them to build the next generation of decentralized applications.

What You’ll Do:

• Build & Maintain Wallet API Infrastructure: Develop and maintain a robust Wallet API platform that powers dApps and ensures seamless integration with Ethereum, Bitcoin, and other blockchain networks.
• Shape Web3 Wallet API Standards: Collaborate with partners and standards bodies across the Web3 ecosystem to define and shape the future of wallet API standards.
• Improve User Experience: Create intuitive, scalable, and secure APIs that empower developers to integrate cryptocurrency functionality into their apps.
• Collaborate with Cross-Functional Teams: Work closely with designers, product managers, and other engineers to develop high-quality features that enhance the MetaMask experience for developers and end-users alike.
• Handle Complex Problem-Solving: Ensure that MetaMask's Wallet API continues to meet the growing needs of Web3 developers and supports cutting-edge features in DeFi, NFTs, and blockchain technology.
• Maintain a Long-Term Mindset: Take ownership of the API's lifecycle, ensuring stability, scalability, and long-term sustainability as the Web3 ecosystem evolves.

What You’ll Bring:

• Experience in Backend Development: 4+ years of experience working with JavaScript, TypeScript, and Node.js in a backend environment, with a strong understanding of scalable, reliable systems.
• API Expertise: 2+ years of experience designing, implementing, and managing externally-facing APIs that developers can use to integrate with blockchain applications and cryptocurrency services.
• Experience with Web3: 1+ years working with Web3 libraries such as ethers.js and building dApps that interact with Ethereum or Bitcoin.
• API Governance: 2+ years of experience managing codebases and working with standards such as JSON-RPC, Swagger, and OpenAPI to develop public-facing APIs.
• Testing Experience: Proficiency in unit testing, integration testing, and end-to-end testing to ensure the API's reliability and robustness.
• Collaboration & Communication Skills: Strong experience in collaborating with remote teams, providing and receiving feedback, and being part of a growth-oriented, innovative team.

Bonus Points If You Have:

• Experience in mobile development or security engineering.
• Knowledge of EIP authoring or involvement in the Ethereum improvement process.
• Familiarity with browser APIs and Web3 wallet standards.
• Experience with Bitcoin or other blockchain networks beyond Ethereum.

Why Join ConsenSys?

• Remote Crypto Jobs: Work in a remote-first environment with flexibility to collaborate with talented people from across 6 continents. We value autonomy, flexibility, and a healthy work-life balance.
• Competitive Benefits Package: Enjoy unlimited vacation, comprehensive health benefits, and equity in a fast-growing company that is shaping the future of blockchain technology.
• Growth & Development: Access continuous learning opportunities through the Consensys Advance Program and stay at the cutting edge of Web3, cryptocurrency, and blockchain development.
• Collaborative Culture: Join a diverse and inclusive team of experts committed to solving complex challenges and driving innovation in DeFi platforms, NFTs, cryptocurrency apps, and beyond.
• Ownership & Impact: As part of MetaMask and ConsenSys, you'll have a direct impact on how Web3 and blockchain technology shape the future of the internet and the world economy.

Ready to Build the Future of Web3?

If you are passionate about cryptocurrency, blockchain technology, and empowering developers to create decentralized experiences, MetaMask is the place for you. Apply today to become a part of the Web3 revolution and help us build the most powerful and flexible wallet API in the ecosystem.

Consensys is an Equal Opportunity Employer: We celebrate diversity and are committed to creating an inclusive environment for all employees. We encourage candidates from all backgrounds and experiences to apply. Join us as we reshape the future of decentralized finance, cryptocurrency, NFTs, and blockchain technology!