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.