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. Compensation & Benefits Salary: $190,000 – $210,000 USD annually Early-stage equity Visa sponsorship is not available Location This is a hybrid role based in San Francisco, CA . Candidates in Los Angeles, CA or New York City, NY may also be considered. Remote-only candidates will not be considered at this time.