Startups · AI

Founding Backend Software Engineer

Rebolt · San Francisco, CA, US / Remote · Remote

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About Rebolt

AI-Powered Company OS. Backed by Y Combinator.

About the role

Rebolt is building the next-generation no-code platform that empowers companies to create and deploy custom full-stack applications in minute. Our mission is to enable both technical and non technical teams to replace brittle spreadsheets and one-size-fits-all SaaS with their own internal tools. Own the engine room . Architect and ship the core services that power our multi-agent AI workflows: rock-solid restful APIs, data models built for evolution, and deployment/debug tools that just work.

What they're looking for

  • Have 2+ years of backend engineering experience and a solid foundation in both Computer Science and software engineering principles. We're also open to exceptional college grads with strong intern/co-op experience
  • Are fluent in Python and TypeScript and have worked with FastAPI and/or NextJS in the past
  • Understand how databases (KV, SQL, Document based) work, when each of them should be used and how they can be optimized
  • Have previously developed, tested and scaled RESTful APIs in the past
  • Are self-motivated, like to take ownership, have low ego, desire to work on a fast-paced, intense, fun team. Passion for building a world-class engineering culture
  • Are product-focused, understanding that technology is a means to build an amazing product, not an end in itself
More about this role

Rebolt is building the next-generation no-code platform that empowers companies to create and deploy custom full-stack applications in minute. Our mission is to enable both technical and non technical teams to replace brittle spreadsheets and one-size-fits-all SaaS with their own internal tools.

  • Participate in building a cutting-edge AI agent platform from 0 to 1 and scale it to production.
  • Significant founding team equity.
  • Work directly with AI/ML systems, web agents, and full-stack development.
  • Shape the technical architecture and culture of a fast-growing YC-backed startup.
  • Have 2+ years of backend engineering experience and a solid foundation in both Computer Science and software engineering principles. We're also open to exceptional college grads with strong intern/co-op experience.
  • Are fluent in Python and TypeScript and have worked with FastAPI and/or NextJS in the past.
  • Understand how databases (KV, SQL, Document based) work, when each of them should be used and how they can be optimized.
  • Have previously developed, tested and scaled RESTful APIs in the past.
  • Are self-motivated, like to take ownership, have low ego; desire to work on a fast-paced, intense,...

Read the full posting on Rebolt's site ↗

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