Sei Labs Looking for Frontend Engineer at San Francisco, CA Full Time

Sei Labs builds open sourced technology for the high-performance Sei Blockchain, the first parallelized EVM Layer 1 blockchain designed to scale with the industry. The unique optimizations built into Sei enable Web3 applications to reach Web2 level scale and performance, driving the mass adoption of digital assets.

Our teams are comprised of former Google, Goldman Sachs, Robinhood, Nvidia, and Databricks veterans dedicated to onboarding the next billion users onto a vibrant ecosystem of applications.

Sei Labs has raised over $30M from top investors including Jump Crypto, Multicoin Capital, Coinbase Ventures, Distributed Global, Hudson River Trading, and Flow Traders.

We’re a globally distributed team with a fully remote workforce. Check out our website and docs for more details.

Frontend Engineering at Sei

Sei Labs is looking for a Frontend Engineer to help shape the future of Web3 by building innovative, high-impact applications across the Sei Blockchain. You’ll work with a team at the forefront of blockchain technology, collaborating closely with our ecosystem partners to develop cutting-edge dApps spanning diverse Web3 domains (from DEX’s and games, to DePin AI and beyond). If you’re passionate about constant learning, rapid development, and making a tangible impact in a fast-paced, community-first environment, this is a unique opportunity to push the boundaries of what’s possible in decentralized technology.

Requirements

• 3+ years of frontend development experience
• Expert in JavaScript/TypeScript and modern frontend frameworks
• Experience building production-grade web applications
• Experience with RESTful APIs and backend integration

Nice to Have

• Web3 experience (smart contracts, ethers, viem)
• Cloud services (AWS)
• Database management (SQL/NoSQL)

Responsibilities

• Develop and maintain key frontend applications (Sei website, app, etc)
• Build responsive web applications using modern JavaScript frameworks
• Integrate Web3 functionality into frontend applications
• Collaborate with backend teams on API integrations