OpenAI

Software Engineer, Guardian

London, United Kingdom

Mid-Level / Senior

ON SITE

OpenAI's Guardian team in London is hiring a Software Engineer to build production safety and oversight systems for AI agents. The team focuses on evaluating agent behavior in real time, identifying risk, and enabling higher-autonomy work while preserving meaningful safeguards. You will work across architecture, implementation, evaluation, and operations, partnering closely with alignment researchers and product teams to make agent safety a foundational capability across OpenAI products. This is a hands-on role with significant technical ownership and depth, suited to engineers who have shi...

Production software engineering

Backend services and API design

AI agent systems

Large language models (LLMs)

Real-time system evaluation

System design and architecture

Operational reliability and monitoring

Evaluation and adversarial testing

Sign up or log in to view the full job and apply

Create a free account to read the full job description, apply, and unlock a free AI study plan with OpenAI's interview process, recent question patterns, and step-by-step practice.

Free AI interview study plan included

Sign in to unlock a company-specific preparation guide for OpenAI: interview rounds, recent question patterns, Coach AI practice, coding & system design drills, behavioural prep, and a mock interview — all tailored to this role.