Liftoff Jobs

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

Foundation models AI research jobs

Last updated 25 hours ago

186 open foundation models AI research roles at 21 AI companies, including Anthropic, OpenAI and Mistral AI. Updated daily; 10 were posted this week.

186 open Sort: newest · highest comp · company A–Z Group by company
  1. Research Engineer - Cybersecurity (RL Environments) — Mistral AI · Series C · Paris, FR · yesterdaynew
  2. Applied Science - Research Engineer (Robotics) — Mistral AI · Series C · Singapore, SG · yesterdaynew
  3. MTS - Agent Research — Etched · Seed · San Jose, CA · yesterdaynew
  4. Research Engineer - Auto Research — Chai Discovery · Series C · San Francisco, CA · yesterdaynew
  5. Research Engineer - ML Infrastructure — Chai Discovery · Series C · San Francisco, CA · yesterdaynew
  6. Web Crawling - Research Engineer — Thinking Machines Lab · Seed · San Francisco, CA · yesterdaynew
  7. Member of Technical Staff (Machine Learning Research Engineer) — Perplexity · Series C · Berlin, DE · 3 days agonew
  8. Research Operations, Reinforcement Learning — Anthropic · San Francisco, CA · $210K–260K · 3 days agonew
  9. Research, Mid Training — Thinking Machines Lab · Seed · San Francisco, CA · 4 days agonew
  10. Perplexity Research Fellowship — Perplexity · Series C · San Francisco, CA · $180K–220K · 6 days agonew
  11. Applied Scientist (Internship in Paris or London) — Mistral AI · Series C · Seoul, KR · last week
  12. Research Intern, Frontier Agents (Summer 2027) — Together AI · Seed · San Francisco, CA · USD 58–70/hour · last week
  13. Research Intern, Frontier Agents (Winter 2027) — Together AI · Seed · San Francisco, CA · USD 58–70/hour · last week
  14. Systems Research Engineer Intern - GPU Programming (Winter 2027) — Together AI · Seed · San Francisco, CA · USD 58–70/hour · last week
  15. Systems Research Engineer Intern - GPU Programming (Summer 2027) — Together AI · Seed · San Francisco, CA · USD 58–70/hour · last week
  16. Research Intern, Model Shaping (Winter 2027) — Together AI · Seed · San Francisco, CA · USD 58–70/hour · last week
  17. Research Intern, Model Shaping (Summer 2027) — Together AI · Seed · San Francisco, CA · USD 58–70/hour · last week
  18. Research Intern, Inference (Winter 2027) — Together AI · Seed · San Francisco, CA · USD 58–70/hour · last week
  19. Research Intern, Inference (Summer 2027) — Together AI · Seed · San Francisco, CA · USD 58–70/hour · last week
  20. Research, Finetuning Science — Thinking Machines Lab · Seed · San Francisco, CA · last week
  21. Research Lead, Tinker, Fine-tuning Science — Thinking Machines Lab · Seed · San Francisco, CA · last week
  22. Research, Tinker, RL Systems — Thinking Machines Lab · Seed · San Francisco, CA · last week
  23. Researcher, Safety Training, National Security — OpenAI · San Francisco, CA · $380K–500K · 2 weeks ago
  24. Research Engineer, AI for Chip Design — OpenAI · San Francisco, CA · $380K–500K · 2 weeks ago
  25. Research Engineer, Full Stack — Mistral AI · Series C · Palo Alto, CA · 2 weeks ago
  26. Research Software Engineer, Post Training — Thinking Machines Lab · Seed · San Francisco, CA · 2 weeks ago
  27. Research Engineer, Takeoff Intel — Anthropic · Travel Required · Remote · $350K–850K · 2 weeks ago
  28. Foundation Models — Genesis AI · Seed · London, UK · 2 weeks ago
  29. Research Engineer, Cybersecurity RL (Reinforcement Learning) — Anthropic · Zurich, CH · 2 weeks ago
  30. AI Scientist - Physics Models — Mistral AI · Series C · Paris, FR · 3 weeks ago
  31. AI Scientist - Agentic Engineering — Mistral AI · Series C · Paris, FR · 3 weeks ago
  32. Research Engineer, Forge — Mistral AI · Series C · Paris, FR · 3 weeks ago
  33. AI Tutor - Design — xAI · Late Stage · International · Remote · 3 weeks ago
  34. AI Tutor - Humanities — xAI · Late Stage · International · Remote · 3 weeks ago
  35. Researcher, Agent Safety, Oversight and System Mitigations — OpenAI · San Francisco, CA · $380K–500K · 3 weeks ago
  36. Researcher, Agent Safety, Training and Evaluations — OpenAI · San Francisco, CA · $380K–500K · 3 weeks ago
  37. Research Scientist: Post-Training — Generalist AI · San Francisco Bay Area Boston · $240K–350K · 3 weeks ago
  38. Research Manager, Biological Safety — Anthropic · San Francisco, CA · $405K–485K · 3 weeks ago
  39. Researcher, Alignment Interpretability — OpenAI · San Francisco, CA · $295K–500K · 3 weeks ago
  40. Research, General Agents — Thinking Machines Lab · Seed · San Francisco, CA · 4 weeks ago
  41. Research, Coding Agents — Thinking Machines Lab · Seed · San Francisco, CA · 4 weeks ago
  42. Member of Technical Staff (Secure Intelligence Institute) — Perplexity · Series C · San Francisco, CA · $220K–405K · 4 weeks ago
  43. Staff+ Research Engineer, RL Data Platform — Anthropic · San Francisco, CA · $500K–850K · 4 weeks ago
  44. Research, Post-Training Evals — Thinking Machines Lab · Seed · San Francisco, CA · 4 weeks ago
  45. Member of Technical Staff (AI Researcher) — Perplexity · Series C · San Francisco, CA · $220K–485K · 4 weeks ago
  46. Research, Safety — Thinking Machines Lab · Seed · San Francisco, CA · 4 weeks ago
  47. Research Engineer / Research Scientist, Health — OpenAI · San Francisco, CA · $380K–500K · 5 weeks ago
  48. Research, RL Scaling — Thinking Machines Lab · Seed · San Francisco, CA · 5 weeks ago
  49. RE/RS, Data Understanding - Foundations — OpenAI · Zurich, CH · 5 weeks ago
  50. Staff+ Software Engineer, Infrastructure, Interpretability — Anthropic · San Francisco, CA · $405K–485K · 6 weeks ago

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