Senior Full Stack Engineer (Agentic Search) - Platform

About Tavily We're building the infrastructure layer for agentic web interaction at scale. Our API is designed from the ground up to power Retrieval-Augmented Generation (RAG) and real-time reasoning in AI systems. By connecting LLMs to high-quality, trustworthy web content, we help developers build agents that are not only intelligent — but also informed.

We work with some of the most innovative teams in AI — from small startups shaping the ecosystem to the largest enterprises deploying AI at scale. Whether it's powering sales assistants, research copilots, or internal knowledge tools, we're the missing link between LLMs and the real world. The Role We are looking for a Senior Full Stack Engineer to build how developers and AI agents access our agentic web infrastructure.

This role is based in our New York office, hybrid with the NYC team. Our APIs are used by millions of developers and the AI agents acting on their behalf. The team owns the main API gateway, the customer platform (keys, usage, teams), identity and enterprise SSO, and the public interfaces to our product: the SDKs, CLI, MCP servers and other tools developers and agents use.

You'll work closely with product, design and engineers across our R&D. In this position, your responsibility will be to: Design and ship features end to end, from the interface to the services and data behind it Build and improve the API gateway: high traffic, low latency, reliable Turn usage, billing and team data into fast, usable inter