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About the Role

As an Applied AI Engineer focused on quantitative investment and trading firms, you will partner directly with researchers, engineers and technical leaders to apply OpenAI’s models and Codex to their research and development workflows. You will combine an understanding of how quants work with hands-on technical skills, helping customers identify valuable opportunities, evaluate approaches and take successful experiments into production. Success is measured by production systems, sustained adoption, and meaningful customer impact. This is a rare opportunity to work on consequential real-world deployments at the frontier of AI while directly influencing how OpenAI’s products evolve.

Responsibilities

Work directly with quantitative investment and trading firms to identify opportunities across research, data analysis and software development, translating their needs into practical implementations, evaluations and measurable outcomes.
Design, build, and deploy AI systems that solve important customer problems and produce measurable business outcomes.
Work hands-on in code to build prototypes, evaluation harnesses, reference implementations, integrations, and production accelerators.
Make sound technical decisions across models, agents, retrieval, tools, data, reliability, observability, latency, cost, safety, security, and governance.
Diagnose complex implementation challenges, reproduce failures, test hypotheses, and drive blockers toward resolution.
Help customers progress from promising prototypes to reliable production systems, sustained adoption, and scaled impact.
Lead technical workshops and hands-on sessions that help quantitative researchers and engineers apply OpenAI’s models and Codex effectively in their day-to-day work.
Bring the needs of quant customers into OpenAI’s product development, translating deployment experience, evaluations and feedback into clear requirements for Product, Research and Engineering.
Create reusable architectures, tooling, playbooks, and technical guidance that accelerate future enterprise deployments.

Requirements

Have worked in quantitative research, quantitative development or a closely related role, or can demonstrate an excellent understanding of how quantitative investment and trading teams operate.
Understand their research processes, technical environments and expectations for rigorous evaluation.
Have practical, hands-on experience with LLMs, whether through tools such as Codex or through building AI applications.
Strong quant expertise and the ability to learn quickly are the priorities.
Can point to substantial personal contributions in code, architecture, evaluation, debugging, or production engineering—not only program or stakeholder management.
Are highly proficient in Python and comfortable building and debugging research tools, data workflows or software systems.
Bring a rigorous approach to evaluating quantitative, statistical or machine-learning systems, and can apply that discipline to assessing AI outputs and workflows.
Have navigated enterprise production requirements such as integrations, reliability, observability, security, privacy, data governance, performance, and cost.
Can connect technical decisions to customer workflows, adoption, and measurable business outcomes.
Communicate with clarity and credibility across hands-on engineers, technical leaders, security teams, product leaders, and executives.
Bring high agency, strong technical judgment, and end-to-end ownership in ambiguous environments.
Learn quickly, challenge assumptions constructively and collaborate with humility.
Motivated to deepen your expertise in applied AI and help others adopt it successfully.

Skills

LLMs
Codex
Python

Location

London

Work Type

Hybrid

Experience Level

Deep experience deploying LLM systems is valuable

Benefits

Relocation assistance to new employees

About the Company

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.
At OpenAI, we believe artificial intelligence has the potential to help people solve immense global challenges, and we want the upside of AI to be widely shared.
Join us in shaping the future of technology.

Equal Opportunity

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.
To notify OpenAI that you believe this job posting is non-compliant, please submit a report through this form.
No response will be provided to inquiries unrelated to job posting compliance.
We are committed to providing reasonable accommodations to applicants with disabilities, and requests can be made via this link.
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