Backend Engineer (Staff, Principal, Lead) - Fintech
We're looking for a Staff Backend Engineer to lead core product development at a high-growth fintech startup. You'll work directly with technical founders to build a highly performant, reliable, and secure financial application from the ground up. The role requires 10+ years of shipping web apps in Python, Go, or Rust, with strong experience in Postgres, Redis, and AWS.
Key Highlights
Key Responsibilities
Technical Skills Required
Benefits & Perks
Nice to Have
Job Description
Backend / Python Software Engineer (Staff, Principal, Lead)
San Francisco, CA (In-Office | Relocation Allowed)
5+ years experience | Full-Time
Visa Status: US Citizen, Green Card Holder (Only)
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We’re looking for a Staff Backend Engineer to lead core product development at a high-growth fintech startup. You’ll work directly with technical founders to build a highly performant, reliable, and secure financial application from the ground up.
The Role:
Own the backend (Python/FastAPI monolith + Postgres + Redis on AWS)
Integrate with crypto wallets, banking APIs, payment rails, ledger systems, and auth services
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Support iOS, Android, and web frontends via REST API
Help decide when to break out services into Rust or Go for performance
Requirements:
10+ years shipping web apps in Python, Go, or Rust
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Strong experience with Postgres, Redis, AWS
Bonuses:
Fintech experience
Full-stack skills (willing to flex across the stack)
- This role may evolve into Backend or Engineering Lead as we scale.
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