Liftoff Jobs

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

ML engineering jobs at AI companies

186 open ML engineering roles at 44 AI companies, updated daily. Applied ML: fine-tuning, evals, inference quality and model-facing product work.

186 open

newest first
  1. Member of Technical Staff, Distributed Training Performance — Hark AI · San Jose, CA · $180K–450K · 5 days agonew
  2. Member of Technical Staff, Mid-training — Hark AI · San Jose, CA · $180K–450K · 5 days agonew
  3. Staff+ Software Engineer, Safeguards Evals — Anthropic · New York, NY · $320K–485K · 5 days agonew
  4. Member of Technical Staff, Pretraining Data — Mirendil · San Francisco, CA · 6 days agonew
  5. Sr. Model Engineer, Voice — xAI · Palo Alto, CA · $220K–357K · last week
  6. Software Engineer: ML Optimization — Generalist AI · Somerville, MA · $260K–350K · last week
  7. Sr. Model Engineer, RL Training Framework — xAI · Palo Alto, CA · $220K–357K · last week
  8. Sr. Model Engineer, Post-Training & RL — xAI · Palo Alto, CA · $220K–357K · last week
  9. Sr. Model Engineer, Mid-Training — xAI · Palo Alto, CA · $220K–357K · last week
  10. Applied Machine Learning Engineer — Elorian AI · Palo Alto, CA · 2 weeks ago
  11. AI Engineer (French Speaking) — Distyl AI · New York, NY · 2 weeks ago
  12. AI Engineer, UK — Distyl AI · London, UK · 2 weeks ago
  13. Modelling Engineer — Fractile · London, UK · 2 weeks ago
  14. Data Science Tech Lead Manager, Model Experience — Anthropic · New York, NY · $460K · 2 weeks ago
  15. Member of Technical Staff, Computer-Use Agents — Hark AI · San Jose, CA · $180K–450K · 2 weeks ago
  16. Member of Technical Staff - Pre-Training Data — Reflection AI · San Francisco, CA · 3 weeks ago
  17. Machine Learning Data Scientist - Consumer Forecasting — OpenAI · San Francisco, CA · $347K–445K · 3 weeks ago
  18. Research Engineer, Latency & Throughput — Mistral AI · Paris, FR · 3 weeks ago
  19. Member of Technical Staff (Software Engineer, Enterprise Agent Evals & Efficiency) — Perplexity · San Francisco, CA · $220K–405K · 3 weeks ago
  20. Research Engineer - Inference — Prime Intellect · San Francisco, CA · 4 weeks ago
  21. Research Engineer, Orchestral — Mistral AI · Paris, FR · 4 weeks ago
  22. Applied Data Scientist, Personalization & Machine Learning — OpenAI · San Francisco, CA · $347K–445K · 4 weeks ago
  23. Machine Learning Engineer, Implicit Signals — OpenAI · San Francisco, CA · $381K–510K · 4 weeks ago
  24. Member of Technical Staff - Pre-Training Evals Infra — Reflection AI · New York, NY · 4 weeks ago
  25. Member of Technical Staff, LLM & Production — Hark AI · San Jose, CA · $180K–450K · 4 weeks ago
  26. Software Engineer, Machine Learning-Backend — fal · San Francisco, CA · $150K–200K · 5 weeks ago
  27. Engineering Manager, Inference Performance — Baseten · San Francisco, CA · $240K–270K · 5 weeks ago
  28. Member of Technical Staff (Machine Learning Engineer, Search Agent RL) — Perplexity · Belgrade · 5 weeks ago
  29. Research Engineer, Inference Foundation — Mistral AI · Munich, DE · 5 weeks ago
  30. Software Engineer, Inference — Sierra · San Francisco, CA · $230K–390K · 5 weeks ago
  31. Software Engineer - Inference Platform — Baseten · San Francisco, CA · $180K–360K · 5 weeks ago
  32. Software Engineer - Inference Performance — Baseten · San Francisco, CA · $180K–360K · 5 weeks ago
  33. Member of Technical Staff - Agent — Armadin · Palo Alto, CA · 5 weeks ago
  34. Member of Technical Staff - Inference Runtime — Modal · San Francisco, CA · $220K–300K · 5 weeks ago
  35. Software Engineer, Inference — Thinking Machines Lab · San Francisco, CA · 6 weeks ago
  36. Software Engineer, Sandboxing — Anthropic · San Francisco, CA · $320K–485K · 6 weeks ago
  37. Software Engineer, Evaluation Infrastructure — xAI · Palo Alto, CA · $180K–440K · 6 weeks ago
  38. Head of Data Science, Strategic Finance — OpenAI · San Francisco, CA · $459K–536K · last week
  39. Staff + Sr. Software Engineer, Cloud Inference — Anthropic · San Francisco, CA · $320K–485K · 6 weeks ago
  40. Staff + Sr. Software Engineer, Cloud Inference Launch Engineering — Anthropic · San Francisco, CA · $320K–485K · 6 weeks ago
  41. Machine Learning Engineer, Safety — fal · San Francisco, CA · $180K–250K · 6 weeks ago
  42. Machine Learning Engineer, Core Experimentation — OpenAI · Seattle, WA · $437K–485K · 7 weeks ago
  43. Tech Lead, Applied AI - Evals — Mercor · San Francisco, CA · $260K–500K · 4 days agonew
  44. Member of Technical Staff, Product Engineering — Crosby · New York City, NY · $200K–330K · 7 weeks ago
  45. Sr. Data Scientist — Mariana Minerals · San Francisco, CA · $140K–173K · 7 weeks ago
  46. Machine Learning Engineer, Monetization AI/ML — OpenAI · San Francisco, CA · $381K–555K · 7 weeks ago
  47. Member of Technical Staff, AI Products (Early Career - Industry) — Perplexity · San Francisco, CA · $180K–270K · 7 weeks ago
  48. Inference Engineering and Product Lead — Modal · San Francisco, CA · $300K–350K · 8 weeks ago
  49. Member of Technical Staff, Data Science — Crosby · New York City, NY · $200K–300K · 2 months ago
  50. Senior Fullstack Engineer, AI Observability & Evals Platform — LangChain · Cambridge, MA · 2 months ago
  51. Senior Backend Software Engineer, AI Observability & Evals Platform (LangSmith) — LangChain · Cambridge, MA · 2 months ago
  52. AI Engineer — Baseten · San Francisco, CA · $175K–190K · 2 months ago
  53. Tech Lead, AI Data Products — Mercor · New York City, NY · $300K–420K · 2 days agonew
  54. Research Engineer (LLM Performance), London — Isomorphic Laboratories · London, UK · 2 months ago
  55. Training / AI Infrastructure — Genesis AI · London, UK · 2 months ago
  56. Robot Learning — Genesis AI · London, UK · 2 months ago
  57. Research Engineer, ML Platform — Mistral AI · Palo Alto, CA · 2 months ago
  58. Summer 2027 Internship - Member of Technical Staff - Agent Systems — Armadin · Palo Alto, CA · 2 months ago
  59. Research Engineer - Web Crawlers — ElevenLabs · United Kingdom · 3 months ago
  60. Research Engineer - Inference — ElevenLabs · United Kingdom · 3 months ago
  61. Member of Technical Staff - Inference Systems — Liquid AI · Boston, MA · 3 months ago
  62. Software Engineer, Evaluation Platform / Infra — Thinking Machines Lab · San Francisco, CA · 2 months ago
  63. Machine Learning Engineer (Autonomy) — Mariana Minerals · San Francisco, CA · $140K–180K · 3 months ago
  64. Machine Learning Engineer, Multimodal Perception and Authentication — OpenAI · San Francisco, CA · $342K–399K · 3 months ago
  65. AI Engineer — Baseten · San Francisco, CA · $220K–260K · 3 months ago
  66. Agentic Product Engineer, Studio Platform — Mercor · San Francisco, CA · $160K–500K · 3 months ago
  67. Staff + Senior Software Engineer, Inference — Anthropic · Ontario, CAN · 3 months ago
  68. Software Engineer, Model Deployment- ChatGPT Engineering — OpenAI · London, UK · GBP 194,000–280,000/year · 3 months ago
  69. Member of Technical Staff, Enterprise Evals Platform — Mercor · San Francisco, CA · $220K–425K · 3 months ago
  70. Applied AI/ML Engineer (Agents) — CuspAI · Amsterdam, NL · 3 months ago
  71. Machine Learning Engineer, Evals — Nous Research · Americas · 3 months ago
  72. Machine Learning Engineer, API Multicloud — OpenAI · San Francisco, CA · $223K–423K · 3 months ago
  73. Member of Technical Staff (Software Engineer, Multimodal) — Perplexity · San Francisco, CA · $220K–405K · 3 months ago
  74. Member of Technical Staff (Machine Learning Engineer, Ranking Quality - Search) — Perplexity · Belgrade · 3 months ago
  75. Member of Technical Staff, Agent Product — Mercor · San Francisco, CA · $160K–500K · 3 days agonew
  76. Engineering Manager, Inference — Mistral AI · New York, NY · 3 months ago
  77. Product Evals Engineer, ChatGPT Learning — OpenAI · San Francisco, CA · $185K–490K · 3 months ago
  78. Member of Technical Staff — Inference-Multi-Hardware — RadixArk · Palo Alto, CA · $200K–400K · 3 months ago
  79. Member of Technical Staff, AI Training Infrastructure — Fireworks AI · San Mateo, CA · $210K–320K · 4 months ago
  80. Data Scientist, SMB Ads Growth — OpenAI · San Francisco, CA · $293K–515K · 4 months ago
  81. Data Scientist, Ads Demand — OpenAI · San Francisco, CA · $293K–515K · 4 months ago
  82. Member of Technical Staff - Applied ML, Japanese Multimodal — Liquid AI · Tokyo, JP · 4 months ago
  83. Machine Learning Engineer — Mach Industries · Huntington Beach, CA · $120K–160K · 4 months ago
  84. Staff Software Engineer, Code RL — Anthropic · San Francisco, CA · $405K–625K · 4 months ago
  85. Member of Technical Staff, Applied Machine Learning Engineer, Singapore — Fireworks AI · Singapore, SG · SGD 150,000–191,000/year · 4 months ago
  86. Applied Machine Learning Engineer, EMEA — Fireworks AI · London, UK · 2 months ago
  87. Software Engineer, Evals — xAI · Palo Alto, CA · $175K–275K · 4 months ago
  88. Machine Learning Infrastructure Engineer, Safeguards Research — Anthropic · San Francisco, CA · $350K–500K · 4 months ago
  89. MLFF Distillation & GCMC Integration - Internship — CuspAI · London, UK · 4 months ago
  90. Model Engineer, RL Training Framework — xAI · Palo Alto, CA · $160K–250K · 4 months ago
  91. AI Engineer - Backend/Platform — Traversal · New York, NY · 4 months ago
  92. Member of Technical Staff - Training Platform — Prime Intellect · San Francisco, CA · 4 months ago
  93. Compute Intelligence Engineer — Prime Intellect · San Francisco, CA · 4 months ago
  94. Engineering Manager, Research Data Platform — Anthropic · San Francisco, CA · $405K–850K · 4 months ago
  95. Sr. Model Engineer, RL Inference — xAI · Palo Alto, CA · $160K–250K · 4 months ago
  96. Research Engineer, Machine Learning — Mistral AI · Paris, FR · 6 weeks ago
  97. Staff Machine Learning Engineer (Autonomy) — Mariana Minerals · San Francisco, CA · $160K–200K · 5 months ago
  98. Machine Learning Engineer, Reliability — fal · Turkey · 5 months ago
  99. Member of Technical Staff, Inference — Mirendil · San Francisco, CA · 5 months ago
  100. Member of Technical Staff, Model Evaluation — Mirendil · San Francisco, CA · 5 months ago

See all 186 on the board →

Narrower searches: Machine learning engineering jobs in San Francisco · Foundation models machine learning engineering jobs · Developer tools machine learning engineering jobs · Staff machine learning engineering jobs · Robotics & physical AI machine learning engineering jobs · AI for science machine learning engineering jobs · Agents & applications machine learning engineering jobs · AI infrastructure machine learning engineering jobs · all collections

Related: Operations · Go-to-market · Hardware · Software · Infrastructure · Applied AI

Browse by Locations · Sectors