Liftoff Jobs

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

Machine learning engineering jobs in San Francisco

Last updated 3 days ago

129 open machine learning engineering roles at 36 AI companies in San Francisco, including OpenAI, xAI and Anthropic. Updated daily; 5 were posted this week.

129 open Sort: newest · highest comp · company A–Z Group by company
  1. Member of Technical Staff, Agent Product — Mercor · Series B · San Francisco, CA · $160K–500K · 3 days agonew
  2. Tech Lead, Applied AI - Evals — Mercor · Series B · San Francisco, CA · $260K–500K · 4 days agonew
  3. Member of Technical Staff, Distributed Training Performance — Hark AI · San Jose, CA · $180K–450K · 5 days agonew
  4. Member of Technical Staff, Mid-training — Hark AI · San Jose, CA · $180K–450K · 5 days agonew
  5. Member of Technical Staff, Pretraining Data — Mirendil · Seed · San Francisco, CA · 6 days agonew
  6. Sr. Model Engineer, Voice — xAI · Late Stage · Palo Alto, CA · $220K–357K · last week
  7. Sr. Model Engineer, RL Training Framework — xAI · Late Stage · Palo Alto, CA · $220K–357K · last week
  8. Head of Data Science, Strategic Finance — OpenAI · San Francisco, CA · $459K–536K · last week
  9. Sr. Model Engineer, Post-Training & RL — xAI · Late Stage · Palo Alto, CA · $220K–357K · last week
  10. Sr. Model Engineer, Mid-Training — xAI · Late Stage · Palo Alto, CA · $220K–357K · last week
  11. Applied Machine Learning Engineer — Elorian AI · Seed · Palo Alto, CA · 2 weeks ago
  12. Member of Technical Staff, Computer-Use Agents — Hark AI · San Jose, CA · $180K–450K · 2 weeks ago
  13. Member of Technical Staff - Pre-Training Data — Reflection AI · Series B · San Francisco, CA · 3 weeks ago
  14. Machine Learning Data Scientist - Consumer Forecasting — OpenAI · San Francisco, CA · $347K–445K · 3 weeks ago
  15. Member of Technical Staff (Software Engineer, Enterprise Agent Evals & Efficiency) — Perplexity · Series C · San Francisco, CA · $220K–405K · 3 weeks ago
  16. Research Engineer - Inference — Prime Intellect · Series A · San Francisco, CA · 4 weeks ago
  17. Applied Data Scientist, Personalization & Machine Learning — OpenAI · San Francisco, CA · $347K–445K · 4 weeks ago
  18. FullStack Engineer, AI Observability & Evals Platform (LangSmith) — LangChain · Series B · San Francisco, CA · 4 weeks ago
  19. Machine Learning Engineer, Implicit Signals — OpenAI · San Francisco, CA · $381K–510K · 4 weeks ago
  20. Member of Technical Staff, LLM & Production — Hark AI · San Jose, CA · $180K–450K · 4 weeks ago
  21. Software Engineer, Machine Learning-Backend — fal · Series D · San Francisco, CA · $150K–200K · 5 weeks ago
  22. Engineering Manager, Inference Performance — Baseten · Late Stage · San Francisco, CA · $240K–270K · 5 weeks ago
  23. Software Engineer, Inference — Sierra · Late Stage · San Francisco, CA · $230K–390K · 5 weeks ago
  24. Software Engineer - Inference Platform — Baseten · Late Stage · San Francisco, CA · $180K–360K · 5 weeks ago
  25. Software Engineer - Inference Performance — Baseten · Late Stage · San Francisco, CA · $180K–360K · 5 weeks ago
  26. Member of Technical Staff - Agent — Armadin · Series B · Palo Alto, CA · 5 weeks ago
  27. Member of Technical Staff - Inference Runtime — Modal · Series D · San Francisco, CA · $220K–300K · 5 weeks ago
  28. Software Engineer, Inference — Thinking Machines Lab · Seed · San Francisco, CA · 6 weeks ago
  29. Software Engineer, Sandboxing — Anthropic · San Francisco, CA · $320K–485K · 6 weeks ago
  30. Software Engineer, Evaluation Infrastructure — xAI · Late Stage · Palo Alto, CA · $180K–440K · 6 weeks ago
  31. Staff + Sr. Software Engineer, Cloud Inference — Anthropic · San Francisco, CA · $320K–485K · 6 weeks ago
  32. Staff + Sr. Software Engineer, Cloud Inference Launch Engineering — Anthropic · San Francisco, CA · $320K–485K · 6 weeks ago
  33. Machine Learning Engineer, Safety — fal · Series D · San Francisco, CA · $180K–250K · 6 weeks ago
  34. Member of Technical Staff, AI Products (Early Career - Industry) — Perplexity · Series C · San Francisco, CA · $180K–270K · 7 weeks ago
  35. Sr. Data Scientist — Mariana Minerals · Series B · San Francisco, CA · $140K–173K · 7 weeks ago
  36. Machine Learning Engineer, Monetization AI/ML — OpenAI · San Francisco, CA · $381K–555K · 7 weeks ago
  37. Inference Engineering and Product Lead — Modal · Series D · San Francisco, CA · $300K–350K · 8 weeks ago
  38. AI Engineer — Baseten · Late Stage · San Francisco, CA · $175K–190K · 2 months ago
  39. Research Engineer, ML Platform — Mistral AI · Series D · Palo Alto, CA · 2 months ago
  40. Summer 2027 Internship - Member of Technical Staff - Agent Systems — Armadin · Series B · Palo Alto, CA · 2 months ago
  41. Software Engineer, Evaluation Platform / Infra — Thinking Machines Lab · Seed · San Francisco, CA · 2 months ago
  42. Member of Technical Staff (Software Engineer, Multimodal) — Perplexity · Series C · San Francisco, CA · $220K–405K · 3 months ago
  43. Machine Learning Engineer (Autonomy) — Mariana Minerals · Series B · San Francisco, CA · $140K–180K · 3 months ago
  44. Machine Learning Engineer, Multimodal Perception and Authentication — OpenAI · San Francisco, CA · $342K–399K · 3 months ago
  45. AI Engineer — Baseten · Late Stage · San Francisco, CA · $220K–260K · 3 months ago
  46. Agentic Product Engineer, Studio Platform — Mercor · Series B · San Francisco, CA · $160K–500K · 3 months ago
  47. Member of Technical Staff, Enterprise Evals Platform — Mercor · Series B · San Francisco, CA · $220K–425K · 3 months ago
  48. Machine Learning Engineer, API Multicloud — OpenAI · San Francisco, CA · $223K–423K · 3 months ago
  49. Product Evals Engineer, ChatGPT Learning — OpenAI · San Francisco, CA · $185K–490K · 3 months ago
  50. Member of Technical Staff — Inference-Multi-Hardware — RadixArk · Seed · Palo Alto, CA · $200K–400K · 3 months ago

See all 129 machine learning engineering roles in San Francisco →

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