Job Description

Senior Protocol / Blockchain Software Engineer Join to apply for the Senior Protocol / Blockchain Software Engineer role at Sei Labs . About Sei Sei Labs builds open source 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 veterans from Google, Goldman Sachs, Robinhood, Nvidia, and Databricks, 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 are a globally distributed team with a fully remote workforce. Check out our website and docs for more details. Protocol Engineering at Sei Sei Labs is looking for a Protocol Engineer to lead the development of core components of the Sei Blockchain. You'll work at the forefront of blockchain infrastructure, designing and optimizing the foundational layers of a high-performance, scalable decentralized network. Collaborate closely with our engineering team and ecosystem partners to innovate and push blockchain technology's boundaries. If you're passionate about low-level systems design, performance optimization, and shaping the future of decentralized networks, this is a unique opportunity to make a lasting impact in Web3. Responsibilities Develop core Sei blockchain components (consensus, state management, etc.). Identify and implement optimizations to improve product performance. Collaborate with frontend teams to refine REST APIs supporting our customers. Take ownership of your work and team contributions. Qualifications 5+ years of infrastructure engineering experience. Proven experience in building or scaling Layer 1 blockchain performance. Experience leading large projects with long-term system impact. Strong technical judgment and prioritization skills. Ability to solve complex engineering problems effectively. Experience creating processes and tooling to enhance engineering efficiency. Additional Details Seniority level: Mid-Senior level Employment type: Full-time Job function: Engineering and Information Technology Industries: Technology, Information, and Internet #J-18808-Ljbffr Sei Labs

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