Liftoff Jobs

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

Foundation models AI research jobs

Last updated 46 hours ago

187 open foundation models AI research roles at 20 AI companies, including Anthropic, OpenAI and Mistral AI. Updated daily; 4 were posted this week.

187 open Sort: newest · highest comp · company A–Z Group by company
  1. Conceptual Reasoning Fellow — Anthropic · Remote (US) · $100K–167K · yesterdaynew
  2. Research Engineer - Eval Platform — Mistral AI · Series D · Paris, FR · 3 days agonew
  3. Post-Training Applied Researcher — Baseten · Late Stage · San Francisco, CA · $200K–275K · 3 days agonew
  4. LLM Scientist, AI for Science — Mistral AI · Series D · Paris, FR · 5 days agonew
  5. Staff Research Engineer, Multi-Agent Scaling — Anthropic · San Francisco, CA · $500K–850K · last week
  6. Model Designer — Thinking Machines Lab · Seed · San Francisco, CA · last week
  7. Research Engineer / Research Scientist, RL Frontiers — Anthropic · San Francisco, CA · $500K–850K · last week
  8. AI Scientist - Domain Expert Crashworthiness — Mistral AI · Series D · Paris, FR · last week
  9. Research Engineer - Cybersecurity (RL Environments) — Mistral AI · Series D · Paris, FR · 2 weeks ago
  10. Applied Science - Research Engineer (Robotics) — Mistral AI · Series D · Singapore, SG · 2 weeks ago
  11. MTS, Agent Research — Etched · Seed · San Jose, CA · 2 weeks ago
  12. Research Engineer - Auto Research — Chai Discovery · Series C · San Francisco, CA · 2 weeks ago
  13. Research Engineer, Web Crawling — Thinking Machines Lab · Seed · San Francisco, CA · 2 weeks ago
  14. Member of Technical Staff (Machine Learning Research Engineer) — Perplexity · Series C · Berlin, DE · 2 weeks ago
  15. Research Operations, Reinforcement Learning — Anthropic · San Francisco, CA · $210K–260K · 2 weeks ago
  16. Research, Mid Training — Thinking Machines Lab · Seed · San Francisco, CA · 2 weeks ago
  17. Perplexity Research Fellowship — Perplexity · Series C · San Francisco, CA · $180K–220K · 3 weeks ago
  18. Applied Scientist (Internship in Paris or London) — Mistral AI · Series D · Seoul, KR · 3 weeks ago
  19. Research Intern, Frontier Agents (Summer 2027) — Together AI · Seed · San Francisco, CA · USD 58–70/hour · 3 weeks ago
  20. Research Intern, Frontier Agents (Winter 2027) — Together AI · Seed · San Francisco, CA · USD 58–70/hour · 3 weeks ago
  21. Systems Research Engineer Intern - GPU Programming (Winter 2027) — Together AI · Seed · San Francisco, CA · USD 58–70/hour · 3 weeks ago
  22. Systems Research Engineer Intern - GPU Programming (Summer 2027) — Together AI · Seed · San Francisco, CA · USD 58–70/hour · 3 weeks ago
  23. Research Intern, Model Shaping (Winter 2027) — Together AI · Seed · San Francisco, CA · USD 58–70/hour · 3 weeks ago
  24. Research Intern, Model Shaping (Summer 2027) — Together AI · Seed · San Francisco, CA · USD 58–70/hour · 3 weeks ago
  25. Research Intern, Inference (Winter 2027) — Together AI · Seed · San Francisco, CA · USD 58–70/hour · 3 weeks ago
  26. Research Intern, Inference (Summer 2027) — Together AI · Seed · San Francisco, CA · USD 58–70/hour · 3 weeks ago
  27. Research, Finetuning Science — Thinking Machines Lab · Seed · San Francisco, CA · 3 weeks ago
  28. Research Lead, Tinker, Fine-tuning Science — Thinking Machines Lab · Seed · San Francisco, CA · 3 weeks ago
  29. Research, Tinker, RL Systems — Thinking Machines Lab · Seed · San Francisco, CA · 3 weeks ago
  30. Researcher, Safety Training, National Security — OpenAI · San Francisco, CA · $380K–500K · 4 weeks ago
  31. Research Engineer, AI for Chip Design — OpenAI · San Francisco, CA · $380K–500K · 4 weeks ago
  32. Research Engineer, Full Stack — Mistral AI · Series D · Palo Alto, CA · 4 weeks ago
  33. Research Software Engineer, Post Training — Thinking Machines Lab · Seed · San Francisco, CA · 4 weeks ago
  34. Foundation Models — Genesis AI · Seed · London, UK · 4 weeks ago
  35. Research Engineer, Cybersecurity RL (Reinforcement Learning) — Anthropic · Zurich, CH · 4 weeks ago
  36. AI Scientist - Physics Models — Mistral AI · Series D · Paris, FR · 5 weeks ago
  37. AI Scientist - Agentic Engineering — Mistral AI · Series D · Paris, FR · 5 weeks ago
  38. Research Engineer, Forge — Mistral AI · Series D · Paris, FR · 5 weeks ago
  39. AI Tutor - Design — xAI · Late Stage · International · Remote · 5 weeks ago
  40. AI Tutor - Humanities — xAI · Late Stage · International · Remote · 5 weeks ago
  41. Researcher, Agent Safety, Oversight and System Mitigations — OpenAI · San Francisco, CA · $380K–500K · 5 weeks ago
  42. Researcher, Agent Safety, Training and Evaluations — OpenAI · San Francisco, CA · $380K–500K · 5 weeks ago
  43. Research Scientist: Post-Training — Generalist AI · San Francisco Bay Area Boston · $240K–350K · 5 weeks ago
  44. Research Manager, Biological Safety — Anthropic · San Francisco, CA · $405K–485K · 5 weeks ago
  45. Researcher, Alignment Interpretability — OpenAI · San Francisco, CA · $295K–500K · 5 weeks ago
  46. Research, General Agents — Thinking Machines Lab · Seed · San Francisco, CA · 6 weeks ago
  47. Research, Coding Agents — Thinking Machines Lab · Seed · San Francisco, CA · 6 weeks ago
  48. Member of Technical Staff (Secure Intelligence Institute) — Perplexity · Series C · San Francisco, CA · $220K–405K · 6 weeks ago
  49. Staff+ Research Engineer, RL Data Platform — Anthropic · San Francisco, CA · $500K–850K · 6 weeks ago
  50. Research, Post-Training Evals — Thinking Machines Lab · Seed · San Francisco, CA · 6 weeks ago

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