Current jobs related to Research Engineer, Codex - San Francisco - OpenAI
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Research Engineer, Codex
4 days ago
San Francisco, United States OpenAI Full timeJoin to apply for the Research Engineer, Codex role at OpenAIJoin to apply for the Research Engineer, Codex role at OpenAIAbout The TeamThe Codex team is responsible for building state-of-the-art AI systems that can write code, reason about software, and act as intelligent agents for developers and non-developers alike. Our mission is to push the frontier of...
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Research Engineer, Codex
4 weeks ago
San Francisco, United States OpenAI Full timeThe Codex team is responsible for building state-of-the-art AI systems that can write code, reason about software, and act as intelligent agents for developers and non-developers alike. Our mission is to push the frontier of code generation and agentic reasoning, and deploy these capabilities in real-world products such as ChatGPT and the API, as well as in...
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Research Engineer, Codex
4 weeks ago
San Francisco, United States OpenAI Full timeAbout the TeamThe Codex team is responsible for building state-of-the-art AI systems that can write code, reason about software, and act as intelligent agents for developers and non-developers alike. Our mission is to push the frontier of code generation and agentic reasoning, and deploy these capabilities in real-world products such as ChatGPT and the API,...
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Research Engineer, Codex
2 weeks ago
San Francisco, CA, United States Openai Full timeAbout the Team The Codex team is responsible for building state-of-the-art AI systems that can write code, reason about software, and act as intelligent agents for developers and non-developers alike. Our mission is to push the frontier of code generation and agentic reasoning, and deploy these capabilities in real-world products such as ChatGPT and the API,...
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Research Engineer, Codex
2 weeks ago
San Francisco, CA, United States Openai Full timeAbout the Team The Codex team is responsible for building state-of-the-art AI systems that can write code, reason about software, and act as intelligent agents for developers and non-developers alike. Our mission is to push the frontier of code generation and agentic reasoning, and deploy these capabilities in real-world products such as ChatGPT and the API,...
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Software Engineer, Codex Enterprise
1 week ago
San Francisco, United States OpenAI Full timeAbout the TeamWith Codex we’re building an AI software engineer. One that you can pair with, delegate to, or even ask to take on future tasks proactively. Our team is a fast-moving group within OpenAI, bringing together research, engineering, design, and product. We iteratively build the Codex agent harness and product to get the most out of the model, and...
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Software Engineer, Codex Enterprise
7 days ago
San Francisco, California, United States OpenAI Full timeAbout the TeamWith Codex we're building an AI software engineer. One that you can pair with, delegate to, or even ask to take on future tasks proactively. Our team is a fast-moving group within OpenAI, bringing together research, engineering, design, and product. We iteratively build the Codex agent harness and product to get the most out of the model, and...
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Software Engineer, Codex Enterprise
4 days ago
San Francisco, United States OpenAI Full timeSoftware Engineer, Codex Enterprise Applied AI Engineering - San Francisco Our team is a fast-moving group within OpenAI, bringing together research, engineering, design, and product. We iteratively build the Codex agent harness and product to get the most out of the model, and we iteratively train the model to be great at complex software engineering tasks....
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Software Engineer, Codex Enterprise
3 weeks ago
San Francisco, United States OpenAI Full timeAbout the Team With Codex we're building an AI software engineer. One that you can pair with, delegate to, or even ask to take on future tasks proactively. Our team is a fast-moving group within OpenAI, bringing together research, engineering, design, and product. We iteratively build the Codex agent harness and product to get the most out of the model, and...
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Software Engineer, Codex Enterprise
2 weeks ago
San Francisco, United States OpenAI Full timeAbout the TeamWith Codex we’re building an AI software engineer. One that you can pair with, delegate to, or even ask to take on future tasks proactively. Our team is a fast-moving group within OpenAI, bringing together research, engineering, design, and product. We iteratively build the Codex agent harness and product to get the most out of the model, and...
Research Engineer, Codex
2 weeks ago
About the TeamThe Codex team is responsible for building state-of-the-art AI systems that can write code, reason about software, and act as intelligent agents for developers and non-developers alike. Our mission is to push the frontier of code generation and agentic reasoning, and deploy these capabilities in real-world products such as ChatGPT and the API, as well as in next-generation tools specifically designed for agentic coding. We operate across research, engineering, product, and infrastructure—owning the full lifecycle of experimentation, deployment, and iteration on novel coding capabilities.About the RoleAs a member of the Codex team, you will advance the capabilities, performance, and reliability of AI coding models through a combination of research, experimentation, and system optimization. You’ll collaborate with world-class researchers and engineers to develop and deploy systems that help millions of users write better code, faster—while also ensuring these systems are efficient, cost-effective, and production-ready.We’re looking for people who combine deep curiosity, strong technical fundamentals, and a bias toward impact. Whether your strengths lie in ML research, systems engineering, or performance optimization, you’ll play a pivotal role in pushing the state of the art and bringing these advances into the hands of real users.This role is based in San Francisco, CA. We use a hybrid work model of 3 days in the office per week and offer relocation assistance to new employees.In this role, you might:Design and run experiments to improve code generation, reasoning, and agentic behavior in Codex models.Develop research insights into model training, alignment, and evaluation.Hunt down and address inefficiencies across the Codex system stack—from agent behavior to LLM inference to container orchestration—and land high-leverage performance improvements.Build tooling to measure, profile, and optimize system performance at scale.Work across the stack to prototype new capabilities, debug complex issues, and ship improvements to production.You might thrive in this role if you:Are excited to explore and push the boundaries of large language models, especially in the domain of software reasoning and code generation.Have strong software engineering skills and enjoy quickly turning ideas into working prototypes.Think holistically about performance, balancing speed, cost, and user experience.Bring creativity and rigor to open-ended research problems and thrive in highly iterative, ambiguous environments.Have experience operating across both ML systems and cloud infrastructure.
