Backend Python Software Engineer Fintech San Francisco CA

The Role:

We're seeking a Staff Backend Engineer to lead our core product development. Our backend serves a REST API that powers our iOS, Android, and Web frontends. You will integrate with cryptocurrency wallet and banking service providers, among other services for auth, ledger, payment rails, etc. This is a financial services application with significant complexity, handling real money at scale, internationally. Our backend is a Python (FastAPI) monolith supported by Postgres and Redis on AWS. We are open to Rust and/or Go for any services that need to be broken out for performance. This is a critically important role on our team. You’ll be working directly with the technical founders to set standards and build a highly performant, reliable, and secure app from the ground up. This role may evolve into a backend or general engineering lead as we scale.

Requirements

10+ years building and shipping web applications in Python, Go, or Rust

Experience generally across the backend: working with Postgres, Redis, AWS, etc.

Bonuses

You might be an especially good fit if you have:

Experience in financial technology

Full-stack engineering skillset and ability to flex across other parts of the stack

What We Offer

$200K-$400K cash compensation

Day 1 impact on partner products used by millions globally

Shape technical vision and architecture as we scale

Own major parts of the product and infrastructure

Ship fast and avoid corporate overhead