Product Engineer

last updated May 11, 2026 6:35 UTC

Subspace Labs

HQ: Remote

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Subspace Labs is an early-stage, venture-backed startup with a remote-first, globally distributed team. To learn more, visit our website, view our team handbook, and read the technical whitepaper.

We are seeking a Senior Full-Stack JS/TS Developer to complement our product engineering team. Responsibilities include contributing to several user-facing apps (wallet, block explorer, desktop app), integrating with other blockchain networks and decentralized protocols, maintaining a developer SDK, and building decentralized apps that demonstrate the potential of the Subspace Network. In this role, you will

  • Build user flows across both web and backend (React and Node).

  • Integrate directly with other blockchain networks using native RPCs.

  • Collaborate with Product, Design, and Engineering to define, prioritize, and build features for Web3 users.

  • Drive detailed project definition and cross-functional alignment.

  • Design and architect backend REST and/or GraphQL APIs.

Key Requirements:

  • 3+ years of experience building open-source code that is clean, maintainable, and well-tested, for production networks at scale.

  • 2 + years of experience working with Typescript and Nodejs

  • 2+ years of experience of experience with Ethers/Web3.js or Polkadot.js.

  • 2+ years of experience working with ReactjsExperience working with container technologies like Docker.

  • A passion for decentralized, peer-to-peer systems and Web3 technologies.

Bonus Points:

  • Experience with the Rust programming language

  • Familiarity with Substrate and the Polkadot ecosystem

  • Experience building developer SDKs and internal tools.

  • Experience writing smart contracts in Solidity or similar language.

  • Theoretical knowledge of blockchains and distributed systems.

What We Offer

๐„ The ability to work from anywhere in the world

๐„ A competitive salary with generous equity and token grants

๐„ Medical, dental, and vision insurance (US-based only)

๐„ A unique opportunity to shape the future of the internet

๐„ Team off-sites in various locations around the globe

$60,000 โ€” $110,000/year

Apply info ->

To apply for this job, please visit the application page

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