Founding Software Engineer

About the company Our client is a fintech company. The role Raydar is recruiting for this role on behalf of our client. Build backend systems and data-heavy services for a regulated financial platform, taking initiatives from early planning through to launch while helping set the technical direction of a small engineering team. What you'll do - Design and build automated workflows for regulated financial operations, including transaction monitoring, compliance checks and document handling. - Build and extend an accounting ledger that tracks income and principal, with correctness enforced in the database and API layers. - Create evaluation tooling and test pipelines for AI-assisted features, including repeatable checks in CI/CD. - Partner with operations leads and founders to learn user pain points and convert them into requirements and a prioritized backlog. - Build integrations with payment providers, compliance vendors and financial institutions, weighing build-versus-buy decisions on correctness and security. - Design security-focused infrastructure covering authentication, encryption of sensitive data, audit logging and observability. - Contribute to frontend work that makes complex legal and financial structures easier to understand. - Own initiatives end to end, from early planning through release, and help define the long-term technical foundations of the company. Requirements What we're looking for - 3 or more years building production systems, mainly on the backend. - Prior experience launching new systems from scratch at a small, early-stage technology company, ideally in an early engineering, founding or lead capacity. - Comfort owning several areas at once with little structure, including defining requirements without being told what to do. - Daily use of AI coding tools in your development work. - Ability to work on-site five days a week. - Strong production relational database skills, including schema design, constraints and migrations. Bonus points - Hands-on experience with LLM workflows, such as agent harnesses, evaluation loops or agent tooling. - A strong security mindset. - Deep PostgreSQL or DevOps experience. - Background in fintech or another regulated industry. Benefits Compensation and benefits - Base salary: USD 150,000 to 250,000 per year - Equity Location and work model - New York, NY, United States - On-site, 5 days a week - Full-time