Backend API Engineer — Frontier Models
Listed on 2026-10-09
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Software Development
Backend Developer
OpenAI is seeking a backend software engineer to build and operate the services behind the Responses API. You will shape API behavior, bring new capabilities from research into production, and ensure durable and fast long-running agent workflows.
Responsibilities include designing and operating APIs, collaborating with Research, Safety, Codex, and API teams, and improving diagnostics and performance through observability and profiling.
This role, Backend API Engineer — Frontier Models at OpenAI, could be your next move.
The Backend API Engineer — Frontier Models position in the IT & Technology field is open for applications.
We have an opening for a Backend API Engineer — Frontier Models in United States within IT & Technology.
Are you ready to take on the Backend API Engineer — Frontier Models role at OpenAI?
We would love to welcome a new Backend API Engineer — Frontier Models to our organisation in United States.
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