Founding Product Engineer

About the Role

A well-funded, early-stage fintech startup is looking for a Founding Product Engineer to join a small, senior team building a new kind of collaborative financial product. You'll have broad ownership across the stack, working directly with the founding team to ship high-quality, polished features for a consumer-facing application with a 40,000+ person waitlist.

What You'll Do

• Design, develop, and deliver features, fixes, and improvements across the core product, marketing site, and internal tools.
• Take end-to-end ownership of major product areas — such as debit card functionality or internal risk assessment tooling — from concept through launch.
• Work closely with the founder, lead engineer, and designer to architect and implement solutions that delight users.
• Build and wire up APIs across a full stack of React, TypeScript, Go, and PostgreSQL.
• Leverage AI tools to accelerate development and contribute to a culture of high-quality engineering.
• Help scale the product to meet rapidly growing consumer demand.

What We're Looking For

• Required: Strong proficiency in TypeScript (React) on the front end and comfort with Go on the back end.
• Prior experience shipping and maintaining features for B2C / consumer-facing products.
• Solid experience with PostgreSQL and
• Redis.
• Familiarity with AWS, Terraform, and Docker for infrastructure and deployment.
• Experience building and integrating REST or GraphQL APIs.
• Comfortable working in a fast-paced, early-stage startup environment with broad ownership.
• Nice to Have: Experience using AI coding assistants and prototyping tools to accelerate development.
• Background in fintech, payments, or financial services.
• Familiarity with tools like Slack, Linear, GitHub, and Figma.