Full Stack Developer (Backend)

RevenueBase: We're building the data infrastructure that makes AI agents trustworthy instead of error-prone. We provide continuously refreshed, verified B2B data for autonomous AI agents and GTM workflows. We've tripled growth while maintaining 100% gross dollar retention and staying cashflow positive. We power AI agents for Clay, Orbital, Dun & Bradstreet, and the next generation of AI GTM tools. Why We're Hiring This Role: Our product and platform are scaling rapidly, and we need experienced backend engineers who can ship reliably, own services end-to-end, and maintain high performance as our data infrastructure grows. This role exists to strengthen our backend systems, APIs, and cloud infrastructure — ensuring our platform remains fast, scalable, and dependable under increasing data volume and customer demand. You’ll work on systems that customers rely on in production — where backend performance, data integrity, and reliability directly impact retention and growth. What You'll Do Design, build, and maintain scalable backend services using Python and FastAPI . Develop and optimize high-performance RESTful APIs powering AI agents and GTM workflows. Architect and maintain clou