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Eigen Labs Logo

Staff Software Engineer, Fullstack

Eigen Labs

$220,000 - $260,000
Aug 21, 2025
Seattle, WA, US
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Eigen Labs is building the infrastructure for a more trustworthy internet by making any digital service verifiable, moving beyond crypto's current focus on digital money to make all digital interactions more trustworthy.

Requirements

  • 6+ years of professional software engineering experience, including at least 2 years in a staff-level role.
  • Strong full-stack skills with expertise in TypeScript/JavaScript, React, Node.js, and related modern frameworks.
  • Experience leading technical projects from architecture through deployment.
  • Understanding of system design principles for scalable, high-performance applications.
  • Familiarity with crypto/web3 technologies, including APIs, wallets, and blockchain interaction patterns.
  • Experience at developer tooling companies, SaaS platforms, or cloud dashboard products.
  • Contributions to open-source projects in web3 or developer tools.

Responsibilities

  • Lead design and implementation of major features across the Marketplace and Portal apps.
  • Scope projects and create accurate delivery timelines for high-visibility initiatives.
  • Mentor and guide junior engineers through code reviews, architecture discussions, and pairing sessions.
  • Collaborate with product, design, and other engineering teams to deliver seamless end-to-end developer experiences.
  • Maintain high engineering standards for performance, reliability, scalability, and security.
  • Contribute to shared UI libraries, internal tooling, and developer documentation improvements.
  • Proactively identify and address technical debt to improve long-term velocity and maintainability.

Other

  • Product-focused mindset, with a history of building user-facing applications that balance technical and UX excellence.
  • Excellent communication skills and the ability to work effectively in a distributed team environment.
  • Background in marketplaces or payment systems.
  • The Role is a full-time position that is fully remote or located with the largely Seattle-based team.