Founding Full-Stack Engineer

Role Overview

Join a fintech startup at the inflection point between product completion and scale, owning foundational systems in a mission-critical financial platform. Work directly with experienced founders, own critical systems handling real transaction volume, and help define the future of global payments infrastructure.

What You Will Do

Own full-stack development end-to-end, design and build highly reliable systems for global payments and transaction processing, develop event-driven systems for ledgering, compliance, and risk management, and work directly with customers to understand requirements and iterate on product features.

Why It Might Be a Fit

Ideal candidate has 3–8 years of experience in full-stack or backend engineering, strong experience building production systems end-to-end, and prior experience at a startup or high-growth environment.

Requirements

• 3–8 years of experience in full-stack or backend engineering
• Strong experience building production systems end-to-end
• Prior experience at a startup or high-growth environment
• Experience working on payments, fintech, or compliance-related systems
• Comfortable working across multiple languages and frameworks
• Strong system design and architecture fundamentals
• Experience integrating APIs and building scalable backend systems
• Proven ability to take ownership and ship quickly

Benefits

• Base salary: $220,000 – $280,000
• Equity: 0.1% – 1.0%
• Visa sponsorship available (case-by-case, preference for US-based candidates)
• Hybrid work flexibility (SF-based)
• Direct collaboration with experienced repeat founders
• Opportunity to build core financial infrastructure from the ground up
• Early-stage equity with meaningful upside