Skills · Train models
Reinforcement learning
Course coming soon
Policies, rewards and the algorithms that train reasoning and agentic models.
Mentioned in 153 of 338 recorded research roles (45%) and 231 of 1,837 technical roles (13%), as of October 2, 2026.
Learn it here
The course page has its planned syllabus and a sign-up, which tells us how many people want it.
These counts describe the October 2, 2026 snapshot; postings need a fresh check. Explore opportunities.
Everything here that teaches it
1 piece. Pieces built around this skill come first in each list; the rest use it along the way.
Also in Train models: How language models work, Post-training and fine-tuning, RL environments and verifiers, Pretraining and scaling laws, Interpretability, Alignment research, Multimodal models.
Who asks for it
- Research scientists and engineers 153 of 338
- Fellowships, residencies and internships 10 of 44
- Applied AI and forward-deployed 6 of 323
- ML systems and infrastructure 12 of 109
- Machine learning engineers 10 of 146
- Software engineering at labs 40 of 877
Recorded roles that mention it
231 recorded postings mention it. Here are the newest 60 research, fellowship, applied and ML-systems roles; the rest are on the role pages linked above. Each title opens the lab's own posting.
- Senior Applied AI Engineer ↗
CodeRabbit · Applied AI and forward-deployed · No degree stated · $200k to $300k base
- Research Engineer, ML Infrastructure ↗
Cognition · Research scientists and engineers · PhD required
- Full Stack Engineer, ML Research Tools ↗
Cursor (Anysphere) · ML systems and infrastructure · No degree stated
- Research Scientist ↗
Cursor (Anysphere) · Research scientists and engineers · No degree stated
- Software Engineer, ML Infrastructure ↗
Cursor (Anysphere) · ML systems and infrastructure · No degree stated
- Research Engineer ↗
Greptile · Research scientists and engineers · PhD preferred · $180k to $280k base
- Research Engineer (Agentic Models) ↗
JetBrains (Junie, Mellum) · Research scientists and engineers · No degree stated
- AI Research Engineer, Post-Training ↗
Lovable · Research scientists and engineers · No degree stated
- Research Scientist Intern, Robotics - Meta Superintelligence Labs (PhD) ↗
Meta (Superintelligence Labs and FAIR) · Fellowships, residencies and internships · PhD required
- Member of Technical Staff- Research Engineer (Harness Engineering and Agentic Orchestration) ↗
Tessl · Research scientists and engineers · PhD preferred
- Research Engineer, Asta ↗
Allen Institute for AI (Ai2) · Research scientists and engineers · PhD preferred · $129k to $193k base
- Research Scientist, Asta ↗
Allen Institute for AI (Ai2) · Research scientists and engineers · PhD required · $167k to $261k base
- Research Scientist, Robotics ↗
Allen Institute for AI (Ai2) · Research scientists and engineers · PhD required · $167k to $261k base
- [Expression of Interest] Research Engineer / Scientist, Alignment - London ↗
Anthropic · Research scientists and engineers · No degree stated
- Anthropic Fellows Program, ML Systems & Reinforcement Learning ↗
Anthropic · Fellowships, residencies and internships · No degree stated
- Engineering Manager, Research Data Platform ↗
Anthropic · ML systems and infrastructure · No degree stated · $405k to $850k base
- ML/Research Engineer, Safeguards ↗
Anthropic · Research scientists and engineers · No degree stated · $350k to $500k base
- Research Engineer / Performance Engineer, RL Distributed Systems ↗
Anthropic · Research scientists and engineers · No degree stated · $500k to $850k base
- Research Engineer / Research Scientist, RL Frontiers ↗
Anthropic · Research scientists and engineers · No degree stated · $500k to $850k base
- Research Engineer / Research Scientist, Tokens ↗
Anthropic · Research scientists and engineers · No degree stated · $350k to $500k base
- Research Engineer / Scientist, Alignment ↗
Anthropic · Research scientists and engineers · No degree stated · $350k to $500k base
- Research Engineer, Chip Design RL (Reinforcement Learning) ↗
Anthropic · Research scientists and engineers · No degree stated · $500k to $850k base
- Research Engineer, Code RL (Reinforcement Learning) ↗
Anthropic · Research scientists and engineers · No degree stated · $500k to $850k base
- Research Engineer, Computer Use ↗
Anthropic · Research scientists and engineers · No degree stated · $500k to $850k base
- Research Engineer, Cybersecurity RL (Reinforcement Learning) ↗
Anthropic · Research scientists and engineers · No degree stated · $300k to $405k base
- Research Engineer, Cybersecurity RL (Reinforcement Learning) ↗
Anthropic · Research scientists and engineers · No degree stated
- Research Engineer, Discovery ↗
Anthropic · Research scientists and engineers · No degree stated · $350k to $850k base
- Research Engineer, Knowledge Team ↗
Anthropic · Research scientists and engineers · No degree stated · $350k to $850k base
- Research Engineer, Machine Learning (Reinforcement Learning) ↗
Anthropic · Research scientists and engineers · No degree stated · $500k to $850k base
- Research Engineer, Machine Learning (Reinforcement Learning) ↗
Anthropic · Research scientists and engineers · No degree stated
- Research Engineer, Machine Learning (RL Velocity) ↗
Anthropic · Research scientists and engineers · No degree stated
- Research Engineer, Machine Learning (RL Velocity) ↗
Anthropic · Research scientists and engineers · No degree stated · $500k to $850k base
- Research Engineer, Post-Training Model Evaluations ↗
Anthropic · Research scientists and engineers · No degree stated · $500k to $850k base
- Research Engineer, Pretraining ↗
Anthropic · Research scientists and engineers · Master's or PhD required
- Research Engineer, RL Engineering ↗
Anthropic · Research scientists and engineers · No degree stated · $500k to $850k base
- Research Engineer, RL Scaling Science ↗
Anthropic · Research scientists and engineers · No degree stated
- Research Engineer, Visual Knowledge Work ↗
Anthropic · Research scientists and engineers · No degree stated · $350k to $850k base
- Research Engineer/Research Scientist, Pre-training ↗
Anthropic · Research scientists and engineers · Master's or PhD required · $350k to $850k base
- Software Engineer, Research Data Platform ↗
Anthropic · ML systems and infrastructure · No degree stated · $320k to $405k base
- Staff Research Engineer, Discovery Team ↗
Anthropic · Research scientists and engineers · No degree stated · $350k to $850k base
- Staff+ Research Engineer, RL Data Platform ↗
Anthropic · Research scientists and engineers · No degree stated · $500k to $850k base
- Staff+ Research Scientist, Multi-Agent ↗
Anthropic · Research scientists and engineers · No degree stated · $500k to $850k base
- Applied Researcher, Audio Post-Training ↗
Cartesia · Research scientists and engineers · No degree stated · $200k to $350k base
- Principal Research Engineer, Post-Training ↗
Character.AI · Research scientists and engineers · PhD or equivalent experience · $275k to $400k base
- Research Engineer, AI Safety & Alignment ↗
Character.AI · Research scientists and engineers · PhD or equivalent experience · $225k to $400k base
- Research Engineer, Post-Training (All Industry Levels) ↗
Character.AI · Research scientists and engineers · PhD or equivalent experience · $225k to $400k base
- Member of Technical Staff - RL Environments ↗
Cohere · Research scientists and engineers · No degree stated
- Member of Technical Staff, Integration/RL Team (Research Engineer) ↗
Cohere · Research scientists and engineers · No degree stated
- Member of Technical Staff, Post-Training ↗
Cohere · Research scientists and engineers · No degree stated
- Manager, Applied AI Engineering, DeepMind ↗
Google DeepMind · Applied AI and forward-deployed · Bachelor's or equivalent
- Post-training Agentic Research Scientist, DeepMind ↗
Google DeepMind · Research scientists and engineers · PhD or equivalent experience
- Research Developer, Frontier AI Incubation, DeepMind ↗
Google DeepMind · Research scientists and engineers · Bachelor's or equivalent
- Research Engineer, Advancing Agent Quality, DeepMind ↗
Google DeepMind · Research scientists and engineers · No degree stated
- Research Engineer, Cyber Gemini, DeepMind ↗
Google DeepMind · Research scientists and engineers · Bachelor's or equivalent
- Research Engineer, Energy Grids, Sustainability, DeepMind ↗
Google DeepMind · Research scientists and engineers · Bachelor's or equivalent
- Research Engineer, Tech Lead Manager, Frontier and AGI Security, DeepMind ↗
Google DeepMind · Research scientists and engineers · PhD or equivalent experience
- Research Scientist, Agents, DeepMind ↗
Google DeepMind · Research scientists and engineers · PhD or equivalent experience
- Research Scientist, AI Secure Code, DeepMind ↗
Google DeepMind · Research scientists and engineers · PhD or equivalent experience
- Research Scientist, Gemini Agent Safety, DeepMind ↗
Google DeepMind · Research scientists and engineers · PhD or equivalent experience
- Research Scientist, Gemini Horizon, DeepMind ↗
Google DeepMind · Research scientists and engineers · PhD or equivalent experience
