Founding Software Engineer

About the company Our client is a fast-growing financial technology company. The role Raydar is recruiting for this role on behalf of our client. Join a small engineering group as an early hire with significant autonomy, building backend services and tooling for an AI-driven software product while also supporting existing core platform systems. The work is hands-on and mostly backend, with some exposure to frontend development. What you'll do - Build and extend the set of tools an AI agent can use to complete multi-step business tasks. - Improve the quality, breadth and depth of the agent's capabilities so it delivers dependable end-to-end results. - Combine existing tools and create new ones, such as email drafting, document completion and third-party account integrations. - Contribute to the shared infrastructure that supports the company's other business lines. - Own delivery from the start, ramping up quickly and working in a fast-moving, AI-assisted development workflow. Requirements What we're looking for - Between new graduate level and 5 years of engineering experience. - A strong background signal, such as time at a notable startup or large technology company, or a degree from a top computer science program. - Solid Python backend fundamentals, including APIs, async programming, databases and cloud deployment. - Daily use of agentic coding assistants, with well-formed views on how to make agent-based systems better. - A self-motivated, tech-lead-style approach: quick to ramp up, able to work with minimal guidance and comfortable with ambiguous scope. Bonus points - Full-stack experience, including TypeScript on the frontend. - Zero-to-one startup experience with demonstrable users. - Background in high-frequency trading or quantitative engineering. - Genuine interest in user experience and product, not only systems. Benefits Compensation and benefits - Base salary: USD 175,000 to 250,000 per year - Equity Location and work model - New York City, NY, United States - On-site (in-person) - Full-time