Founding Member of Technical Staff (Fintech Infrastructure)

An early-stage fintech infrastructure company is looking for a Founding Member of Technical Staff to set the technical foundation of its platform and own critical services from design through production.

Your scope

• Design, build and operate complete services and user-facing features, from requirements through production support
• Architect highly available, event-driven systems for ledgering, compliance and risk that scale with transaction volume without downtime
• Work directly with founders and early customers, gathering feedback and iterating quickly so the roadmap tracks real needs
• Choose the right tools for each problem across TypeScript, C#, Go, Python and cloud infrastructure, balancing speed with long-term scale

What you bring

• 1-8 years as a backend or backend-leaning engineer with strong fundamentals
• Proficiency in at least two of Next.js/TypeScript, C#, Go and Python
• Demonstrated ownership and high agency as an individual contributor at a fast-growing startup
• Genuine interest in the problem space and the earliest stage of a company
• Experience shipping payments or fintech products from zero to one is a plus

Hybrid in San Francisco, working in person with the team. Visa transfers considered.