GrepJob
Fin

Senior Full-Stack Software Engineer

Fin
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5 months ago
Remote, Worldwide or New York, NY, USASenior

Base Salary

$125k - $250k/yr

Responsibilities

  • Design, build, and ship full stack features across web and mobile surfaces.
  • Own projects end to end, from scoping requirements to shipping to production.
  • Integrate third-party payment and financial APIs.
  • Build scalable, high-performance services for real money movement.
  • Maintain high code quality through clean abstractions and tests.
  • Collaborate with product, design, and operations teams.

Requirements

  • Deep experience with TypeScript and Node.js.
  • Production experience with React Native, preferably with Expo.
  • Experience owning complex product changes from idea to launch.
  • Comfort debugging across the stack, from database to front end.
  • Solid understanding of security best practices for sensitive data.
  • Strong sense of code quality, including testing and maintainability.
  • Clear communication skills and ability to work with non-engineering partners.
  • High tolerance for ambiguity in a startup environment.

Tech Stack

Node.jsReact NativeRustTypeScript