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Software Engineer - Developer Tooling

Unto Labs

Salary not specified
Sep 26, 2025
San Francisco, CA, US
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Unto Labs is building the next generation of Layer 1 blockchain technology and consumer applications, and needs to invent, prototype, and launch world-class developer tooling and applications to bring these to millions of people worldwide.

Requirements

  • 4+ years building developer facing tooling consumed by web and mobile developers.
  • Expert-level TypeScript, React, and React Native experience.
  • Swift or Kotlin proficiency for native modules or performance work
  • Familiarity with smart-contract development, systems programming, and cryptography

Responsibilities

  • Design, build, and ship developer tooling and crypto applications for Web, iOS, Android, and web using React, React Native, and gRPC.
  • Build and maintain developer facing SDKs
  • Build and maintain full-stack mobile and web experiences with TypeScript, React, and React Native.
  • Assist developers and external partners in ideating and validating their concepts.
  • Implement wallets, swaps, staking, lending, collectibles, and on-chain gaming flows with smooth UX and strong security guarantees.
  • Work closely with protocol, design, and marketing teams to align releases with network upgrades and ecosystem campaigns

Other

  • Strong sense of developer empathy, usability, and performance on resource-constrained devices.
  • Clear communication and a bias for ownership and measurable impact.
  • A personal habit of using crypto daily and staying current with ecosystem trends
  • Prior work in gaming, social, or creator tools that intersect with Web3
  • Pioneer consumer crypto, payments, & DeFi use cases that define how the next billion users interact with on-chain financial services