Reinforcement learning researcher jobs
Reinforcement learning researcher: a person in this job trains AI models by trial, error and reward, the step that turns a raw model into a useful assistant. Anthropic, OpenAI, Cohere, xAI and Applied have the most open roles with “Reinforcement learning researcher” or a close variant in the title right now.
196 open roles · 14 posted in the last 7 days · 11% remote · 107 companies hiring · $285K median advertised salary · checked Nov 15 against employer career pages
| Period | Count |
|---|---|
| under $75K | 0 |
| $75K to $100K | 0 |
| $100K to $125K | 0 |
| $125K to $150K | 1 |
| $150K to $175K | 2 |
| $175K to $200K | 3 |
| $200K to $250K | 22 |
| $250K to $300K | 31 |
| $300K and more | 44 |
Skills asked for in reinforcement learning researcher roles
Bars show the share of these 196 roles; one role can count in several rows.
Newest reinforcement learning researcher jobs
- Member of Product Staff, Foundation Models & Post-TrainingAbridge · 🇺🇸SF Office$250K - $290KHybridLead and aboveLLMAI agentsGenerative AI
- Staff Research Scientist - Post-Training for Observability Native ModelsDatadog · 🇫🇷Paris, France—Lead and aboveMachine Learning
- Platform Engineer, RL & Eval Data | 100% remoteAnyone Ai · 🇦🇷Argentina - Fully Remote—RemotePythonTypeScriptReact
- Full-Stack Software Engineer, Reinforcement LearningClera · 🇺🇸San Francisco$130K - $225KPythonTypeScriptReact
- Post-Training Research Scientist - Forecasting and ReasoningPoint72 · 🇺🇸New York—PythonLLMPyTorch
- Member of Technical Staff - ML Infrastructure Engineer, RL Post-trainingPreference Model · 🇺🇸San Francisco$200K - $350KGCPLLMPyTorch
- Member of Technical Staff - Research Engineer, Post-trainingPreference Model · 🇺🇸San Francisco$200K - $350KPythonMachine LearningLLM
- Member of Technical Staff - Research Engineer, RL EnvironmentsPreference Model · 🇺🇸San Francisco$200K - $350KPythonMachine LearningLLM
- Software Engineer, Simulation & Reinforcement LearningBot Auto · 🇺🇸Houston, TX—PythonC++Machine Learning
- Sr. Model Engineer, RL DataCursor · 🇺🇸Palo Alto, CA$220K - $357KSeniorRustPythonC++
- Model Engineer, RL DataCursor · 🇺🇸Palo Alto, CA$160K - $250KRustPythonC++
- LLM Engineer - Post-Training (Remote - Europe)Everai · Europe€75K - €125KRemotePythonLLMPyTorch
- Offensive Cybersecurity Engineers: Build RL Environments for AI EvaluationTerac · 🇺🇸United States—RemoteAILLM evaluationReinforcement learning
- Research Engineer, Cybersecurity RLAnthropic · 🇺🇸San Francisco, CA | New York City, NY$500K - $850KMachine LearningLLMReinforcement learning
- AI Research Engineer - Reinforcement LearningHelsing · 🇬🇧🇩🇪🇫🇷Munich - Berlin - London - Paris—RustPythonC++
- Research Scientist, Post-Training — Video GenerationPika · 🇺🇸US remote—RemotePyTorchDistributed training
- Applied AI Scientist, Simulation & Reinforcement LearningLocus Robotics · 🇬🇧London, England£70K - £120KPythonAI
- Research Engineer, Cybersecurity RL (Reinforcement Learning)Anthropic · 🇺🇸San Francisco, CA | New York City, NY · +1 more location—Machine LearningLLMReinforcement learning
- Partnerships Lead, AI Infrastructure & Post-TrainingMercor · Mercor HQ, 181 Fremont Street$300K - $400KLead and aboveAIReinforcement learning
- AI Engineer: Post-TrainingPhysicsX · 🇬🇧London—PythonLLMPyTorch
- Member of Technical Staff, Post-TrainingRicursive Intelligence · 🇺🇸Palo Alto—Machine LearningLLMNLP
- Sr. Model Engineer, RL Training FrameworkxAI · 🇺🇸Palo Alto, CA$220K - $357KSeniorRustPythonC++
- ML Systems, LLM Post-TrainingAlpha Design Ai Inc · 🇺🇸San Jose—PythonC++LLM
- RAI Reinforcement Learning EngineerRevelrobotics · 🇨🇿Prague—
- Research Engineer / Scientist, Reinforcement LearningHarvey · 🇺🇸San Francisco · +3 more locations$230K - $450KHybridPythonLLMAI agents
- Sr. Model Engineer, Post-Training & RLxAI · 🇺🇸Palo Alto, CA$220K - $357KSeniorRustPythonC++
- Member of Technical Staff, Evals and Post-TrainingProfound · 🇺🇸New York, New York$230K - $325KPythonLLMFigma
- MTS - Research (Kernels & Hardware RL)Collinear Ai · 🇺🇸Sunnyvale, California$160K - $400KPythonC++LLM
- Research Engineer Intern - Environments, Data and Post-TrainingMercor · 🇺🇸San Francisco$70 an hourInternSQLMachine LearningLLM
- Senior Applied Scientist, Reinforcement LearningHippocratic AI · 🇺🇸Menlo Park, CA—SeniorPythonLLMPyTorch
- Strategic Project Lead, RL Environments for Financial AI (SF, On-site)Lavendo · 🇺🇸San Francisco$175K - $275KLead and aboveExcelAI
- Autonomy Engineer Intern, Reinforcement Learning, 2027 (Zurich)Skydio · 🇨🇭Zurich, Switzerland—InternPythonC++Machine Learning
- Autonomy Engineer Intern, Reinforcement Learning, 2027 (HQ)Skydio · 🇺🇸San Mateo, California, United States—InternPythonC++Machine Learning
- Reinforcement Learning EngineerBugcrowd · 🇺🇸Remote - US$176K - $243KRemoteRustPythonDocker
- Forward Deployed Engineer, Post-TrainingTogether AI · 🇺🇸San Francisco$270K - $300KPythonLLMReinforcement learning
- AI Engineer - Quality and Post-TrainingGlean · 🇺🇸San Francisco Bay Area$200K - $280KPythonTypeScriptMachine Learning
- Member of Technical Staff — Agent Post-TrainingEmbedding Vc · 🇺🇸San Francisco Bay Area—PythonPyTorch
- Member of Technical Staff — RL & Agentic Model TrainingEmbedding Vc · 🇺🇸San Francisco Bay Area—PythonPyTorch
- Member of Technical Staff — Post-Training InfrastructureEmbedding Vc · 🇺🇸San Francisco Bay Area—PythonPyTorch
- Research Engineer, Chip Design RLAnthropic · 🇺🇸San Francisco, CA$500K - $850KLLMReinforcement learningASIC
- Security Engineer / Research Engineer, RL SecurityAnthropic · 🇺🇸San Francisco, CA | New York City, NY | Seattle, WA$320K - $405KRustPythonC++
- RL Engineer | HumanoidHirehire · 🇬🇧London—PythonLLMPyTorch
- Agent Post-Training, Computer Use ResearchOpenAI · 🇺🇸San Francisco$380K - $500KMachine LearningLLMAI agents
- Research Scientist (post-training)Genmo · 🇺🇸San Francisco HQ—Machine LearningLLMPyTorch
- 2027 Summer Intern, PhD, Research, Behavior Post-trainingWaymo · 🇺🇸Mountain View, CA, USA; San Francisco, CA, USA—InternMachine LearningLLMPyTorch
- Applied Researcher - Forward-Deployed RLPrimeIntellect · 🇺🇸San Francisco—PythonLangChainDatadog
- Applied Researcher - Agentic RLPrimeIntellect · 🇺🇸San Francisco—PythonLangChainDatadog
- Research Engineer, Post-TrainingDeepgram · 🇺🇸USA - Remote$216K - $338KRemotePythonPyTorchDeep learning
- Research Engineer - RL InfrastructurePrimeIntellect · 🇺🇸San Francisco—PyTorchCUDALangChain
- RL Environment EngineerSunset · 🇺🇸New York$200K - $350K
- Research Engineer / Scientist - Reinforcement LearningPrimeIntellect · 🇺🇸San Francisco—PythonPyTorchLangChain
- Research Scientist - Post-TrainingPluralis Research · 🇺🇸San Francisco—RemotePythonLLMPyTorch
- Member of Technical Staff - Post-training (Data Infrastructure)Cohere · 🇺🇸United StatesCA$295K - CA$535KMachine LearningLLMReinforcement learning
- Senior AI Researcher: LLM post-training for hallucination reduction (f/m/d)AlephAlpha · Heidelberg—HybridSeniorPythonLLMPyTorch
- Member of Technical Staff - Post-Training (Reinforcement Learning & Generalization)Cohere · EuropeCA$295K - CA$535KRemoteLLMPyTorchReinforcement learning
- Offensive Security RL ResearcherIdler · 🇺🇸San Francisco$200K - $500KPythonTypeScript
- Cybersecurity RL Environment Reviewer — Security Engineering (Defensive, Cloud & Infrastructure)Widgetfactory · 🇺🇸United States$65 - $250 an hourRemoteGCPAzureAWS
- Cybersecurity RL Environment Reviewer — Offensive & AppSecWidgetfactory · 🇺🇸United States$65 - $250 an hourRemoteRustGoPython
- Research Manager - Post-Training for Observability Native ModelsDatadog · 🇺🇸New York, New York, USA$244K - $305KMachine Learning
- Software Engineer II, Reinforcement Learning EnvironmentsHandshake · 🇮🇳India—TypeScriptReactPostgreSQL
- Reinforcement Learning Engineer (Autonomous Driving)42dot · 🇰🇷Pangyo (Software Dream Center), South Korea—HybridPythonMachine LearningPyTorch
- 2027 Summer Intern, PhD, Research, Post TrainingWaymo · 🇺🇸Mountain View, CA, USA: San Francisco, CA, USA—InternMachine LearningPyTorchReinforcement learning
- Research Scientist / Engineer – Reinforcement Learning InfrastructureLuma AI · 🇬🇧London, UK · +2 more locations—HybridLLMPyTorchKubernetes
- Research Scientist, Post-TrainingDatologyai · San Mateo HQ$180K - $300KHybridMachine LearningPyTorchSnowflake
- Post-Training Applied ResearcherBaseten · 🇺🇸San Francisco$200K - $275KHybridMachine LearningLLMAI agents
- Staff Research Scientist - Post-Training for AgentsDatadog · 🇺🇸New York, New York, USA; Pittsburgh, Pennsylvania, USA$320K - $400KLead and aboveMachine Learning
- Member of Technical Staff (Machine Learning Engineer, Search Agent RL)Perplexity · 🇷🇸Belgrade—HybridMachine LearningLLMAI
- Staff / Senior Machine Learning Engineer, Reinforcement LearningWayve · 🇺🇸Sunnyvale, California USA—HybridLead and abovePythonC++Machine Learning
- Research Scientist – Reinforcement Learning (RL)Percepta · 🇺🇸New York City$200K - $400KLLMKubernetesAWS
- Research Engineer, Post-trainingMedraai · 🇺🇸San Francisco$170K - $350KPythonMachine LearningLLM
- Research Scientist, Scaling RLPeriodic Labs · 🇺🇸🇨🇦Menlo Park, CA; Montreal, CanadaCA$225K - CA$350KLLM
- MTS, Post-Training (Enterprise)Bespokelabs · 🇺🇸Mountain View$300K - $350KLLM
- Research Engineer / Research Scientist, RL FrontiersAnthropic · 🇺🇸San Francisco, CA | New York City, NY | Seattle, WA$500K - $850KRustPythonC++
- Research Engineer / Performance Engineer, RL Distributed SystemsAnthropic · 🇺🇸San Francisco, CA | New York City, NY | Seattle, WA$500K - $850KRustPythonC++
- Architecture Operations Specialists: Structured Data for Post-Training EvaluationTerac · 🇺🇸United States—Remote
- Research Engineer - Cybersecurity (RL Environments)Mistral.ai · 🇫🇷Paris—HybridPythonC++Docker
- Member of Technical Staff, Post-TrainingHandshake · 🇺🇸San Francisco, CA$200K - $350KHybridPythonMachine LearningLLM
- Research Scientist - Environments, Data and Post-TrainingMercor · 🇺🇸San Francisco$250K - $500KMachine LearningLLM evaluationReinforcement learning
- Member of Technical Staff, Data and RLSonder · 🇺🇸New York City$250K - $300KPythonPyTorchReinforcement learning
- Reinforcement Learning Expert - Humanoid (Mensch)Neura Robotics Gmbh · 🇨🇭Zurich—PythonC++PyTorch
- Reinforcement Learning Expert - Humanoid (human)Neura Robotics Gmbh · 🇨🇭Zurich—PythonC++PyTorch
- Lead Reinforcement Learning Engineer - Humanoid (Mensch)Neura Robotics Gmbh · 🇨🇭Zurich—Lead and abovePythonC++Machine Learning
- Lead Reinforcement Learning Engineer - Humanoid (human)Neura Robotics Gmbh · 🇨🇭Zurich—Lead and abovePythonC++Machine Learning
- AI Research Scientist, New Grad – Agents & Reinforcement LearningSnowflake · 🇺🇸US-WA-Bellevue$176K - $230KJuniorPythonMachine LearningLLM
- Staff Software Engineer, RL EnvironmentsScale AI · 🇺🇸San Francisco, CA; New York, NY$252K - $315KLead and aboveRustGoPython
- Member of Technical Staff (Evals & Post-Training)Ambral · 🇺🇸New York$165K - $325KLLM
- ML Researcher - PosttrainingKrea · 🇺🇸San Francisco—LLMPyTorchLLM evaluation
- Research Engineer - Post-TrainingPluralis Research · 🇺🇸San Francisco—RemotePythonLLMPyTorch
- Research Scientist, RL for Autonomous Planning & World ModelingWaymo · 🇺🇸Mountain View, CA, USA; San Francisco, CA, USA; Kirkland…$204K - $259KMachine LearningReinforcement learningDistributed training
- Member of Technical Staff, Post-Training & Applied ResearchSf Tensor · 🇺🇸San Francisco$275K - $315KPyTorch
- Machine Learning Scientist — Large Multimodal Models (Post-Training)Iambic Therapeutics · 🇬🇧UK Office · +1 more location—HybridPythonDockerMachine Learning
- RL Environments EngineerBespokelabs · 🇺🇸Mountain View$250K - $300KCI/CD
- Staff+ Research Engineer, RL Data PlatformAnthropic · 🇺🇸San Francisco, CA | New York City, NY$500K - $850KLead and abovePythonTypeScriptReact
- Principal Software Engineer, Post TrainingWaymo · 🇺🇸Mountain View, CA. USA$349K - $431KLead and aboveMachine LearningDeep learning
- Research Scientist, Reinforcement LearningPramaana Labs · 🇺🇸Palo Alto—
- Senior Software Engineer, Reinforcement LearningHud · 🇺🇸San Francisco$100K - $225KSeniorPythonTypeScriptReact
- Senior AI Research Scientist (Model-based RL)Phaidra · 🇬🇧Remote - United Kingdom—RemoteSeniorPythonDockerGCP
- Research Engineer (Reinforcement Learning)LiveKit · North America$135K - $300KRemotePythonReinforcement learningDistributed training
- Member of Technical Staff - RL EnvironmentsCohere · 🇬🇧LondonCA$250K - CA$535KHybridAI agentsLLM evaluationReinforcement learning
- Member of Technical Staff - Post-TrainingReflectionai · 🇺🇸San Francisco, CA—Machine LearningLLM
Showing the newest 100 of 185. The search looks through all of them by title, place and pay.
Who is hiring for reinforcement learning researcher roles
Where reinforcement learning researcher roles are
- 🇺🇸United States150
- 🇺🇸San Francisco Bay Area124
- 🇺🇸California119
- 🇪🇺Europe34
- 🇺🇸New York, NY28
- 🇬🇧United Kingdom17
- 🇬🇧London14
- 🇺🇸Seattle, WA10
- 🇨🇭Switzerland8
- 🇨🇭Zurich7
A role that lists several places is counted in each of them.
Kinds of work close to this one
Roles where employers ask for the same skills. The bar shows how much the skill lists overlap; the text names the shared skills and, where 30 postings state pay, the median advertised pay there.
Companies hiring reinforcement learning researchers
Reinforcement learning researcher salaryQuestions about reinforcement learning researcher jobs
- What is a reinforcement learning researcher job?
- In a reinforcement learning researcher job, a person trains AI models by trial, error and reward, the step that turns a raw model into a useful assistant. 196 such roles are open on Jobs Every Hour as of Nov 15, 2026.
- How many reinforcement learning researcher jobs are open right now?
- There are 196 open reinforcement learning researcher jobs at 107 companies on Jobs Every Hour as of Nov 15, 2026. 14 of them were posted in the last seven days. The list is rebuilt every hour from the employers' own careers pages.
- Which companies have the most reinforcement learning researcher jobs?
- Right now the most openings are at Anthropic (20), OpenAI (8), xAI (5), Cohere (5) and Applied (5). The ranking changes as companies open and close roles.
- Are there remote reinforcement learning researcher jobs?
- 22 of the 196 open reinforcement learning researcher jobs (11%) are listed as remote. Remote roles are often limited to certain countries or time zones, so check the location line of each job.
- What do reinforcement learning researcher jobs pay?
- The median advertised salary is $285K, based on 103 open roles that publish a yearly US-dollar range. The middle half of those roles advertise between $240K and $375K. These are advertised ranges, not verified pay. Most employers here are technology companies, so the figures run above the wider market for the same work.
- Is it hard to get a reinforcement learning researcher job?
- 10 of the 196 open reinforcement learning researcher jobs (5%) are for beginners: junior roles and internships. Of the 36 postings that state experience, the median asks for 3 years. 107 companies are hiring and 14 roles were posted in the last seven days. Matching your resume to the skills each posting names helps most; the free resume builder shows the match.
- How is AI changing reinforcement learning researcher jobs?
- 166 of the 196 open reinforcement learning researcher jobs (85%) ask for AI or machine-learning skills, most often LLM, PyTorch, Machine Learning. Employers still list 196 such roles today at 107 companies. Counted from the postings' own text on Nov 15, 2026.
- What skills do reinforcement learning researcher jobs ask for?
- Most often Python (52%), LLM (48%), Reinforcement learning (47%), PyTorch (47%), Machine Learning (42%) of the 196 open postings, counted from their own text on Nov 15, 2026.
- Which job titles come up most in reinforcement learning researcher jobs?
- Member of Technical Staff (32), Research Engineer (26), Research Scientist (12), Research Engineer / Scientist (6), Sr. Model Engineer (4): the most common titles among the 196 open roles, without the level and place notes in brackets.
- Are reinforcement learning researcher jobs in demand in 2026?
- 196 reinforcement learning researcher jobs are open on Jobs Every Hour today at 107 companies, 0.1% of all 148,162 open jobs here; 14 were posted in the last seven days. The median advertised salary is $285K. 22 (11%) can be done remotely.
- How do I apply for reinforcement learning researcher jobs?
- Open a job and press “Apply on company site”. You go straight to the employer's own careers page and apply there. Jobs Every Hour needs no account and charges nothing for applying.
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