Senior Backend Engineer, AI Agents

About Toptal

Toptal is a global network of top talent in business, design, and technology that enables companies to scale their teams on-demand. With over $200 million in annual revenue and a worldwide fully remote workforce, we combine virtual teams with a support structure that encourages innovation, social interaction, and fun. We see no borders, move at a fast pace, and are never afraid to break the mold.

Job Summary

We are looking for a Senior Backend Engineer to contribute to our vision and development of Agentic AI tooling and platforms. The role combines technical leadership, proactive problem solving, and ownership of features from specification to production deployment on our orchestration platform that spins up AI‑powered development sessions. Your specialization in backend development—API design, async web frameworks, authentication, databases, and service architecture—will anchor the API server and backend systems while you also touch fron...