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Backend Python Software Engineer Fintech San Francisco CA
United States | Sept. 7, 2026
Company: AHU Technologies
Country: United States
Type: Onsite
Employment: Full-time
Description: About the position 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. Responsibilities • Lead core product development. • Serve a REST API powering iOS, Android, and Web frontends. • Integrate with cryptocurrency wallet and banking service providers. • Integrate with services for auth, ledger, and payment rails. • Set standards and build a highly performant, reliable, and secure app. • Potentially evolve into a backend or general engineering lead as the company scales. Requirements • 10+ years building and shipping web applications in Python, Go, or Rust. • Experience generally across the backend: working with Postgres, Redis, AWS, etc. Nice-to-haves • Experience in financial technology. • Full-stack engineering skillset and ability to flex across other parts of the stack. Benefits • \$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
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