Early-stage AI fintech startup building orchestration infrastructure

Founding Full-Stack Engineer

South Bay AreaOn-site$200K - $650K5+ years
Join a 5-person founding team building an AI orchestration layer for financial services. You'll work on-site in the South Bay Area as a full-stack engineer shaping the technical foundation of a company at the intersection of AI and finance. This role offers the opportunity to own significant portions of the product architecture and make early decisions that define how the platform scales.

What we're looking for

  • 5+ years of full-stack software engineering experience
  • Proficiency in TypeScript, Python, and Rust
  • Experience building scalable backend systems and customer-facing interfaces
  • Comfort working in a small founding team with ambiguous requirements and rapid iteration
  • Strong problem-solving skills in complex, multi-layered systems

Tech stack

TypeScriptPythonRust

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This role is one we're recruiting for on behalf of a client company; the client's identity is kept confidential at this stage. A Fluency recruiter will follow up with details.