Liftoff Jobs

A curated index of open roles at top-tier AI companies.

AI research jobs in San Francisco

Last updated 3 days ago

185 open AI research roles at 37 AI companies in San Francisco, including OpenAI, Anthropic and Thinking Machines Lab. Updated daily; 3 were posted this week.

185 open Sort: newest · highest comp · company A–Z Group by company
  1. Post-Training Applied Researcher — Baseten · Late Stage · San Francisco, CA · $200K–275K · 3 days agonew
  2. Research Engineer, Applied Research — Sierra · Late Stage · San Francisco, CA · 5 days agonew
  3. Research Intern — Mercor · Series B · San Francisco, CA · USD 80/hour · 5 days agonew
  4. Staff Research Engineer, Multi-Agent Scaling — Anthropic · San Francisco, CA · $500K–850K · last week
  5. Research Scientist, Scaling RL — Periodic Labs · Seed · Menlo Park, CA · last week
  6. Model Designer — Thinking Machines Lab · Seed · San Francisco, CA · last week
  7. Research Scientist/Research Engineer, Midtraining — Periodic Labs · Seed · Menlo Park, CA · last week
  8. Research Engineer / Research Scientist, RL Frontiers — Anthropic · San Francisco, CA · $500K–850K · last week
  9. MTS, Agent Research — Etched · Seed · San Jose, CA · 2 weeks ago
  10. Research Engineer - Auto Research — Chai Discovery · Series C · San Francisco, CA · 2 weeks ago
  11. Research Engineer, Data Infrastructure (Language Modeling) — Cartesia · Series A · San Francisco, CA · $200K–350K · 2 weeks ago
  12. Research Engineer, Web Crawling — Thinking Machines Lab · Seed · San Francisco, CA · 2 weeks ago
  13. Research Operations, Reinforcement Learning — Anthropic · San Francisco, CA · $210K–260K · 2 weeks ago
  14. Model Safety Contractor — Elorian AI · Seed · Palo Alto, CA · USD 75–125/hour · 2 weeks ago
  15. Research, Mid Training — Thinking Machines Lab · Seed · San Francisco, CA · 2 weeks ago
  16. Perplexity Research Fellowship — Perplexity · Series C · San Francisco, CA · $180K–220K · 3 weeks ago
  17. Research Scientist - Environments, Data and Post-Training — Mercor · Series B · San Francisco, CA · $250K–500K · 3 weeks ago
  18. Research Intern, Frontier Agents (Summer 2027) — Together AI · Seed · San Francisco, CA · USD 58–70/hour · 3 weeks ago
  19. Research Intern, Frontier Agents (Winter 2027) — Together AI · Seed · San Francisco, CA · USD 58–70/hour · 3 weeks ago
  20. Systems Research Engineer Intern - GPU Programming (Winter 2027) — Together AI · Seed · San Francisco, CA · USD 58–70/hour · 3 weeks ago
  21. Systems Research Engineer Intern - GPU Programming (Summer 2027) — Together AI · Seed · San Francisco, CA · USD 58–70/hour · 3 weeks ago
  22. Research Intern, Model Shaping (Winter 2027) — Together AI · Seed · San Francisco, CA · USD 58–70/hour · 3 weeks ago
  23. Research Intern, Model Shaping (Summer 2027) — Together AI · Seed · San Francisco, CA · USD 58–70/hour · 3 weeks ago
  24. Research Intern, Inference (Winter 2027) — Together AI · Seed · San Francisco, CA · USD 58–70/hour · 3 weeks ago
  25. Research Intern, Inference (Summer 2027) — Together AI · Seed · San Francisco, CA · USD 58–70/hour · 3 weeks ago
  26. Research, Finetuning Science — Thinking Machines Lab · Seed · San Francisco, CA · 3 weeks ago
  27. Research Lead, Tinker, Fine-tuning Science — Thinking Machines Lab · Seed · San Francisco, CA · 3 weeks ago
  28. Research, Tinker, RL Systems — Thinking Machines Lab · Seed · San Francisco, CA · 3 weeks ago
  29. Researcher, Safety Training, National Security — OpenAI · San Francisco, CA · $380K–500K · 4 weeks ago
  30. Research Engineer, AI for Chip Design — OpenAI · San Francisco, CA · $380K–500K · 4 weeks ago
  31. Research Engineer, Full Stack — Mistral AI · Series D · Palo Alto, CA · 4 weeks ago
  32. Research Software Engineer, Post Training — Thinking Machines Lab · Seed · San Francisco, CA · 4 weeks ago
  33. Member of Technical Staff, Research (2026 PhD New Grad) — Fireworks AI · Series D · San Mateo, CA · $200K–300K · 4 weeks ago
  34. Member of Technical Staff, Research Engineer — xDOF · Series B · San Francisco, CA · 4 weeks ago
  35. Researcher, Agent Safety, Oversight and System Mitigations — OpenAI · San Francisco, CA · $380K–500K · 5 weeks ago
  36. Researcher, Agent Safety, Training and Evaluations — OpenAI · San Francisco, CA · $380K–500K · 5 weeks ago
  37. Research Manager, Biological Safety — Anthropic · San Francisco, CA · $405K–485K · 5 weeks ago
  38. Researcher, Alignment Interpretability — OpenAI · San Francisco, CA · $295K–500K · 5 weeks ago
  39. Research, General Agents — Thinking Machines Lab · Seed · San Francisco, CA · 6 weeks ago
  40. Research, Coding Agents — Thinking Machines Lab · Seed · San Francisco, CA · 6 weeks ago
  41. Research Scientist, APEX Benchmarks — Mercor · Series B · San Francisco, CA · $200K–500K · 6 weeks ago
  42. Member of Technical Staff (Secure Intelligence Institute) — Perplexity · Series C · San Francisco, CA · $220K–405K · 6 weeks ago
  43. Staff+ Research Engineer, RL Data Platform — Anthropic · San Francisco, CA · $500K–850K · 6 weeks ago
  44. Research, Post-Training Evals — Thinking Machines Lab · Seed · San Francisco, CA · 6 weeks ago
  45. Member of Technical Staff (AI Researcher) — Perplexity · Series C · San Francisco, CA · $220K–485K · 6 weeks ago
  46. Research, Safety — Thinking Machines Lab · Seed · San Francisco, CA · 6 weeks ago
  47. Research Engineer / Research Scientist, Health — OpenAI · San Francisco, CA · $380K–500K · 7 weeks ago
  48. Research, RL Scaling — Thinking Machines Lab · Seed · San Francisco, CA · 7 weeks ago
  49. Research Engineer – Benchmarking — Mercor · Series B · San Francisco, CA · $200K–500K · 7 weeks ago
  50. Research Engineer, Lab Automation — Periodic Labs · Seed · Menlo Park, CA · 8 weeks ago

See all 185 AI research roles in San Francisco →

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