Liftoff Jobs

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

Developer tools AI research jobs

Last updated 2 days ago

145 open developer tools AI research roles at 14 AI companies, including Anthropic, Mistral AI and Thinking Machines Lab. Updated daily; 6 were posted this week.

145 open Sort: newest · highest comp · company A–Z Group by company
  1. AI Scientist, Agentic CAD (AI4Engineering) — Mistral AI · Series D · Paris, FR · 2 days agonew
  2. AI Scientist - Agentic Engineering — Mistral AI · Series D · Paris, FR · 2 days agonew
  3. Research Engineer - Tokenizer & Protocols — Mistral AI · Series D · Paris, FR · 2 days agonew
  4. Policy Researcher — Thinking Machines Lab · Seed · San Francisco, CA · 4 days agonew
  5. Research Engineer, Real Environments — Mercor · Series B · San Francisco, CA · $160K–500K · 4 days agonew
  6. Research Engineer, Cybersecurity RL — Anthropic · San Francisco, CA · $500K–850K · 6 days agonew
  7. AI Scientist - (Internship, Masters or Phd) — Mistral AI · Series D · Paris, FR · last week
  8. Research Engineer, Cybersecurity RL (Reinforcement Learning) — Anthropic · San Francisco, CA · last week
  9. Research Scientist, Discovery (Engineering & Applied Sciences) — Anthropic · San Francisco, CA · $500K–850K · last week
  10. Applied Scientist, Engineering — Anthropic · San Francisco, CA · $320K–405K · last week
  11. Applied Scientist - Optimisation, EMEA — Mistral AI · Series D · Paris, FR · last week
  12. Applied Scientist - Tabular Data, EMEA — Mistral AI · Series D · Paris, FR · last week
  13. Research Engineer / Scientist, Pre-training — Anthropic · Remote-Friendly (Travel-Required) · Remote · $500K–850K · last week
  14. AI Scientist - Domain Expert Crashworthiness — Mistral AI · Series D · Paris, FR · 2 weeks ago
  15. Research Engineer, Robotics — Mistral AI · Series D · Paris, FR · 2 weeks ago
  16. Senior Engineer, Bioinformatics — Anthropic · San Francisco, CA · $300K–320K · 2 weeks ago
  17. Applied Science - Time Series — Mistral AI · Series D · Paris, FR · 2 weeks ago
  18. Applied Science - Cybersecurity — Mistral AI · Series D · Paris, FR · 2 weeks ago
  19. Anthropic Research Resident — Anthropic · London, UK · GBP 265,000–375,000/year · 2 weeks ago
  20. Anthropic Research Resident — Anthropic · San Francisco, CA · $350K–500K · 2 weeks ago
  21. Research Engineer, Intern – Benchmarking — Mercor · Series B · San Francisco, CA · USD 70/hour · 2 weeks ago
  22. Research Engineer Intern - Environments, Data and Post-Training — Mercor · Series B · San Francisco, CA · USD 70/hour · 2 weeks ago
  23. Research Scientist, Life Sciences (Computational Chemistry) — Anthropic · San Francisco, CA · $300K–320K · 2 weeks ago
  24. Regional Research Economist, Economic Research — Anthropic · Bangalore, IN · 3 weeks ago
  25. Regional Research Economist, Economic Research — Anthropic · Tokyo, JP · 3 weeks ago
  26. Regional Research Economist, Economic Research — Anthropic · Seoul, KR · 3 weeks ago
  27. Regional Research Economist, Economic Research — Anthropic · Sydney, AU · 3 weeks ago
  28. Research Engineer, Chip Design RL — Anthropic · San Francisco, CA · $500K–850K · 3 weeks ago
  29. Security Engineer / Research Engineer, RL Security — Anthropic · San Francisco, CA · $320K–405K · 3 weeks ago
  30. Applied Scientist - Formal Methods, EMEA — Mistral AI · Series D · Paris, FR · 3 weeks ago
  31. Mercor AI Research Fund Grants: Economics of AI — Mercor · Series B · San Francisco, CA · 3 weeks ago
  32. Research, Tinker, RL Systems — Thinking Machines Lab · Seed · San Francisco, CA · 3 weeks ago
  33. Applied Science - Robotics — Mistral AI · Series D · Paris, FR · 3 weeks ago
  34. Research Intern, Frontier Speculative Decoding (Summer 2027) — Together AI · Seed · San Francisco, CA · USD 58–70/hour · 4 weeks ago
  35. Research Engineer, Sandboxes — Mistral AI · Series D · Paris, FR · 4 weeks ago
  36. Research Engineer, GPU Performance — Mistral AI · Series D · Paris, FR · 4 weeks ago
  37. Research Engineer — ElevenLabs · Series C · Poland · 4 weeks ago
  38. Research Engineer - Eval Platform — Mistral AI · Series D · Paris, FR · 5 weeks ago
  39. Post-Training Applied Researcher — Baseten · Late Stage · San Francisco, CA · $200K–275K · 5 weeks ago
  40. LLM Scientist, AI for Science — Mistral AI · Series D · Paris, FR · 5 weeks ago
  41. Research Intern — Mercor · Series B · San Francisco, CA · USD 80/hour · 5 weeks ago
  42. Staff Research Engineer, Multi-Agent Scaling — Anthropic · San Francisco, CA · $500K–850K · 6 weeks ago
  43. Model Designer — Thinking Machines Lab · Seed · San Francisco, CA · 6 weeks ago
  44. Research Engineer / Research Scientist, RL Frontiers — Anthropic · San Francisco, CA · $500K–850K · 6 weeks ago
  45. Research Engineer - Cybersecurity (RL Environments) — Mistral AI · Series D · Paris, FR · 7 weeks ago
  46. Applied Science - Research Engineer (Robotics) — Mistral AI · Series D · Singapore, SG · 7 weeks ago
  47. Research Engineer, Data Infrastructure (Language Modeling) — Cartesia · Series A · San Francisco, CA · $200K–350K · 7 weeks ago
  48. Research Engineer, Web Crawling — Thinking Machines Lab · Seed · San Francisco, CA · 7 weeks ago
  49. Mercor AI Research Fund Grants: Benchmarks — Mercor · Series B · San Francisco, CA · 7 weeks ago
  50. Research, Mid Training — Thinking Machines Lab · Seed · San Francisco, CA · 7 weeks ago

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