AI research jobs in San Francisco
Last updated 35 hours ago
183 open AI research roles at 36 AI companies in San Francisco, including OpenAI, Anthropic and Thinking Machines Lab. Updated daily; 9 were posted this week.
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MTS - Agent Research —
Etchednew
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Research Engineer - Auto Research —
Chai Discoverynew
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Research Engineer - ML Infrastructure — Chai Discoverynew
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Research Engineer, Data Infrastructure (Language Modeling) —
Cartesianew
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Web Crawling - Research Engineer —
Thinking Machines Labnew
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Research Operations, Reinforcement Learning —
Anthropicnew
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Model Safety Contractor —
Elorian AInew
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Research, Mid Training — Thinking Machines Labnew
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Perplexity Research Fellowship —
Perplexitynew
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Research Engineer - Environments, Data and Post-Training —
Mercor
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Research Intern, Frontier Agents (Summer 2027) —
Together AI
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Research Intern, Frontier Agents (Winter 2027) — Together AI
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Systems Research Engineer Intern - GPU Programming (Winter 2027) — Together AI
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Systems Research Engineer Intern - GPU Programming (Summer 2027) — Together AI
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Research Intern, Model Shaping (Winter 2027) — Together AI
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Research Intern, Model Shaping (Summer 2027) — Together AI
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Research Intern, Inference (Winter 2027) — Together AI
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Research Intern, Inference (Summer 2027) — Together AI
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Research, Finetuning Science — Thinking Machines Lab
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Research Lead, Tinker, Fine-tuning Science — Thinking Machines Lab
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Research, Tinker, RL Systems — Thinking Machines Lab
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Researcher, Safety Training, National Security —
OpenAI
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Research Engineer, AI for Chip Design — OpenAI
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Research Engineer, Full Stack —
Mistral AI
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Research Software Engineer, Post Training — Thinking Machines Lab
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Member of Technical Staff, Research (2026 PhD New Grad) —
Fireworks AI
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Member of Technical Staff, Research Engineer —
xDOF
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Researcher, Agent Safety, Oversight and System Mitigations — OpenAI
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Researcher, Agent Safety, Training and Evaluations — OpenAI
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Research Manager, Biological Safety — Anthropic
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Researcher, Alignment Interpretability — OpenAI
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Research, General Agents — Thinking Machines Lab
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Research, Coding Agents — Thinking Machines Lab
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Research Scientist, APEX Benchmarks — Mercor
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Member of Technical Staff (Secure Intelligence Institute) — Perplexity
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Staff+ Research Engineer, RL Data Platform — Anthropic
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Research, Post-Training Evals — Thinking Machines Lab
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Member of Technical Staff (AI Researcher) — Perplexity
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Research, Safety — Thinking Machines Lab
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Member of Technical Staff, Frontier RL Environments —
Hark AI
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Research Engineer / Research Scientist, Health — OpenAI
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Research, RL Scaling — Thinking Machines Lab
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Research Engineer – Benchmarking — Mercor
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Research Engineer, Lab Automation —
Periodic Labs
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Staff+ Software Engineer, Infrastructure, Interpretability — Anthropic
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Research Scientist/Engineer — Periodic Labs
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Staff+ Researcher, Cybersecurity Products — Anthropic
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Member of Technical Staff - Post-Training —
Reflection AI
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Researcher, Frontier Risk Mitigations — OpenAI
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Researcher, Recursive Self-Improvement Safety — OpenAI
See all 183 AI research roles in San Francisco →
Companies hiring for this
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