Applied AI Engineer, Startups (Codex)

About the Position

Applied AI Engineer, Startups (Codex)

London, UK

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About the Team

The Applied AI Engineering team works closely with frontier startups. We are trusted advisors and thought partners, ensuring that OpenAI’s technology is deployed safely and effectively. We partner with engineering, research, and product teams to turn insights into evaluation systems, product improvements, and better model behavior.

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About the Role

As an Applied AI Engineer focused on Codex for startups, you will help developers and founders transform how they build and ship software. You’ll combine hands-on engineering, startup experience, and compelling technical communication to help teams turn the potential of AI coding tools into practical, effective workflows.

Presentations and community engagement are central to this role. You will engage developers and founders through technical talks, live demos, workshops, and programs across the startup ecosystem, alongside targeted work with individual customers. You’ll build reusable tools and resources that extend your impact, and bring insights from developers back to OpenAI’s Product, Research, and Engineering teams.

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Responsibilities

• Partner with top startups to identify where Codex can have the greatest impact on how their teams build and ship software.
• Design and lead technical talks, live demos, workshops, hackathons, and repeatable hands-on programs that turn initial interest into sustained adoption.
• Work directly with selected customers to build Codex workflows, integrations, and automations, resolve technical blockers, and evaluate effectiveness and reliability.
• Turn successful approaches into reusable code examples, guides, and tools that help more startups succeed with Codex and OpenAI’s broader platform.
• Collaborate with account teams, developer experience, and ecosystem partners to reach developers and founders, prioritize opportunities, and drive measurable customer value.
• Translate customer experiences and developer feedback into actionable insights for OpenAI’s Product, Research, and Engineering teams.

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Requirements

• Experience building at, founding, or working closely with early-stage startups, and understanding the pace, ambiguity, and practical trade-offs involved.
• Strong software engineering fundamentals and enjoyment in building practical AI applications, integrations, and developer tools.
• Active user of Codex or other AI coding tools, with a thoughtful perspective on how they can improve software development.
• Compelling communicator who enjoys presenting, delivering live demos, and leading hands-on workshops for developers and founders.
• Talent for turning complex technical ideas into clear explanations, engaging examples, and reusable resources that help others succeed.
• Combine developer empathy with sound technical judgment: uncover what a team needs, troubleshoot problems, and help them adopt effective, reliable workflows.
• High agency, curiosity, and end-to-end ownership, working independently while collaborating closely with colleagues and ecosystem partners.

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About OpenAI

OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. We push the boundaries of the capabilities of AI systems and seek to safely deploy them to the world through our products. AI is an extremely powerful tool that must be created with safety and human needs at its core, and to achieve our mission, we must encompass and value the many different perspectives, voices, and experiences that form the full spectrum of humanity.

We are an equal opportunity employer, and we do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristic.

For additional information, please see OpenAI’s Affirmative Action and Equal Employment Opportunity Policy Statement.

Background checks for applicants will be administered in accordance with applicable law, and qualified applicants with arrest or conviction records will be considered for employment consistent with those laws, including the San Francisco Fair Chance Ordinance, the Los Angeles County Fair Chance Ordinance for Employers, and the California Fair Chance Act, for US-based candidates. For unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. In addition, job duties require access to secure and protected information technology systems and related data security obligations.

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