Product Engineer (Fullstack)

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 Node.js

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

• 2+ years of experience working with React.js

• Experience 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

𐄁 The ability to work from anywhere in the world

𐄁 A competitive salary with generous equity and token grants

𐄁 Medical, dental, and vision insurance (US-based only)

𐄁 A unique opportunity to shape the future of the internet

𐄁 Team off-sites in various locations around the globe