Senior Full Stack Engineer (Agentic Search) - Platform

Nebius is hiring a Senior Full Stack Engineer to build the platform that developers and AI agents use to access agentic web infrastructure. The role involves designing and shipping features end-to-end, improving the high-traffic API gateway, building identity and team access (OAuth, OIDC, SAML SSO, SCIM), and shaping the self-serve journey. You will work with product, design, and engineers across R&D, and improve public interfaces like SDKs, CLI, and MCP servers. The position is hybrid in New 

5+ years of full-stack engineering on customer-facing products or high-throughput APIs. Strong backend skills, ideally in Python. Experience building latency-sensitive, high-QPS APIs with caching, async work, queues. Shipped production UI with React, Next.js, or TanStack in TypeScript. Built data-heavy interfaces. Effective in complex codebases, on-call. Strong product and design sense. Nice-to-have: leadership, 0-to-1 launches, API-key lifecycle, MCP servers, billing experience.