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OpenAI

Software Engineer

OpenAI

. Design, build, and operate core components of Auto-review and the broader Guardian platform .

Posted 11/5/2026full-timeLondon • United KingdomMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in building and shipping complex production software, particularly with AI agents and large language models. Capable of designing reliable backend services and APIs while collaborating effectively across technical disciplines.

Highest-signal resume keywords
Production Software DevelopmentAI Agents ExperienceBackend Services DesignClear CommunicationTechnical Direction Ownership

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Software Engineering FundamentalsAPI DevelopmentInfrastructure DesignAdversarial TestingMonitoring TechniquesReal-Time Evaluation SystemsSafety Performance EvaluationDeployment ProcessesUser Impact AnalysisReliability Improvement
Soft Skills
CollaborationInitiativeComfort with AmbiguityProduct-Engineering Judgment
Industry Keywords
OpenAIGuardian PlatformUser Intent UnderstandingPrivacy ProtectionEnvironmental ContextSafety Oversight SystemsTechnical ReviewsExploration to Production

About the role

Key responsibilities & impact
  • Design, build, and operate core components of Auto-review and the broader Guardian platform
  • Build production systems that evaluate agent actions in real time, detect potentially harmful behavior, and support safe recovery or escalation paths
  • Improve oversight systems' understanding of user intent, environmental context, permissions, and personalization signals while protecting privacy
  • Partner with alignment researchers to turn prototypes, evaluations, and monitoring techniques into scalable product capabilities
  • Collaborate with Product, Security, Infrastructure, and engineering teams to integrate Guardian capabilities into OpenAI agent experiences
  • Develop evaluations, adversarial tests, and monitoring for safety performance, false positives, latency, and user impact
  • Own projects end to end, contribute to technical direction and design reviews, and investigate failures to improve reliability
  • Work across architecture, implementation, evaluation, and operations from exploration through production deployment

Requirements

What you’ll need
  • Experience building and shipping complex production software, with ownership across design, implementation, deployment, and operation
  • Experience building with AI agents or large language models in a core product, startup, or technically serious independent project
  • Strong software engineering fundamentals
  • Ability to design reliable backend services, APIs, and infrastructure
  • Sound product-engineering judgment across safety, usability, speed, and reliability
  • Ability to work closely with researchers and translate open-ended ideas into practical systems
  • Comfortable with ambiguity and taking initiative
  • Clear communication across technical disciplines
  • Ability to work from the London office three days per week
  • Authorization to work in the country where the job is located
  • Background checks in accordance with applicable law

Benefits

Comp & perks
  • Immigration and sponsorship support may be provided based on unique circumstances
  • Reasonable accommodations for applicants with disabilities
  • Equal opportunity employment
  • Global Applicant Privacy Policy and employment consideration consistent with applicable laws