Open roles

244 postings · verified 2026-11-11 · a repost appears here once per listing but counts once in the statistics (how we count)

• Member of Technical Staff - Post-Training (Reinforcement Learning & Generalization)

  Cohere · Europe | New York | Toronto · Remote · Research Engineer · $205K–$380K base · first seen 2026-10-15

  EvalsLLMsRL / post-trainingPyTorchJAXDistributed training
  Save Member of Technical Staff - Post-Training (Reinforcement Learning & Generalization)
• Applied Research Engineer, Evaluation

  Black Forest Labs · Freiburg (Germany) | Zurich · Research Engineer · first seen 2026-10-14

  AgentsEvalsLLMsRL / post-trainingPyTorchPythonPhD
  Save Applied Research Engineer, Evaluation
• Research Engineer, Safety & Alignment

  Cognition · San Francisco · Research Engineer · first seen 2026-10-10

  AgentsEvalsLLMsRL / post-trainingPyTorchJAXPythonPhD
  Save Research Engineer, Safety & Alignment
• Member of Technical Staff (Search Crawler Analyst)

  Perplexity · Belgrade | London | Berlin · Research Engineer · first seen 2026-10-09

  LLMs
  Save Member of Technical Staff (Search Crawler Analyst)
• Research Engineer - Eval Platform

  Mistral AI · Paris · Research Engineer · first seen 2026-10-09

  AgentsEvalsLLMsvLLM / SGLang / TensorRTKubernetesPython
  Save Research Engineer - Eval Platform
• Member of Technical Staff - SDK (Stockholm)

  Modal · Stockholm · Research Engineer · $150K–$350K base · first seen 2026-10-08

  PythonGo
  Save Member of Technical Staff - SDK (Stockholm)
• Post-Training Applied Researcher

  Baseten · San Francisco · Research Engineer · $200K–$275K base · first seen 2026-10-08

  AgentsEvalsLLMsFine-tuningRL / post-training
  Save Post-Training Applied Researcher
• Research Engineer, Inference Foundation

  Mistral AI · Munich | Warsaw | London · Research Engineer · first seen 2026-10-07

  LLMsPyTorchCUDA / TritonvLLM / SGLang / TensorRTKubernetesPythonRustC++
  Save Research Engineer, Inference Foundation
• Research Engineer, Applied Research

  Sierra · San Francisco, CA · Research Engineer · first seen 2026-10-06

  AgentsEvalsFine-tuningRL / post-training
  Save Research Engineer, Applied Research
• Staff Research Engineer, Multi-Agent Scaling

  Anthropic · San Francisco, CA | New York City, NY | Seattle, WA | New York City, NY | San Francisco, CA | Seattle, WA · Research Engineer · $500K–$850K base · first seen 2026-10-03

  AgentsEvalsLLMs
  Save Staff Research Engineer, Multi-Agent Scaling
• Research Engineer, Index Intelligence

  Exa · San Francisco, California · Research Engineer · $180K–$350K base · first seen 2026-10-02
  Save Research Engineer, Index Intelligence
• Research Engineer, Content Understanding

  Exa · San Francisco, California · Research Engineer · $180K–$350K base · first seen 2026-10-02

  PyTorch
  Save Research Engineer, Content Understanding
• Research Scientist/Research Engineer, Midtraining

  Periodic Labs · Menlo Park, CA · Research Engineer · first seen 2026-10-01

  EvalsLLMsDistributed training
  Save Research Scientist/Research Engineer, Midtraining
• Research Engineer / Research Scientist, RL Frontiers

  Anthropic · San Francisco, CA | New York City, NY | Seattle, WA | San Francisco, CA · Research Engineer · $500K–$850K base · first seen 2026-09-30

  LLMsRL / post-trainingPyTorchJAXDistributed trainingPythonRustC++
  Save Research Engineer / Research Scientist, RL Frontiers
• Research Engineer / Performance Engineer, RL Distributed Systems

  Anthropic · San Francisco, CA | New York City, NY | Seattle, WA | San Francisco, CA · Research Engineer · $500K–$850K base · first seen 2026-09-30

  LLMsRL / post-trainingKubernetesPythonRustGoC++
  Save Research Engineer / Performance Engineer, RL Distributed Systems
• Senior Research Engineer, Humanoid Manipulation

  Field AI · Boston, MA · Research Engineer · $150K–$300K base · first seen 2026-09-29

  EvalsRL / post-trainingPyTorch
  Save Senior Research Engineer, Humanoid Manipulation
• Model Engineer, Post-Training & RL

  xAI · Palo Alto, CA · Research Engineer · $160K–$250K base · first seen 2026-09-29

  EvalsLLMsRL / post-trainingPyTorchJAXPythonRustC++
  Save Model Engineer, Post-Training & RL
• Systems Research Engineer Intern - GPU Programming (Summer 2027)

  Together AI · San Francisco · Research Engineer · first seen 2026-09-29

  CUDA / Triton
  Save Systems Research Engineer Intern - GPU Programming (Summer 2027)
• Research Engineer, Large-Scale Training

  Together AI · San Francisco · Research Engineer · $200K–$290K base · first seen 2026-09-29

  Fine-tuningPyTorchCUDA / TritonDistributed trainingPython
  Save Research Engineer, Large-Scale Training
• Systems Research Engineer, GPU Programming

  Together AI · San Francisco · Research Engineer · $200K–$300K base · first seen 2026-09-29

  CUDA / Triton
  Save Systems Research Engineer, GPU Programming
• Research Engineer

  Skild AI · Pittsburgh, San Mateo | Pittsburgh | San Francisco · Research Engineer · $100K–$300K base · first seen 2026-09-29

  RL / post-trainingPyTorchJAXPythonPhD
  Save Research Engineer
• Research Engineer, Post-training & Deployment

  Skild AI · San Mateo, CA | San Mateo · Research Engineer · $100K–$300K base · first seen 2026-09-29

  EvalsRL / post-trainingPyTorchJAXPython
  Save Research Engineer, Post-training & Deployment
• Staff/Senior Machine Learning Research Engineer, Intelligent Systems

  Scale AI · San Francisco, CA; New York, NY | San Francisco, CA · Research Engineer · $265K–$331K base · first seen 2026-09-29

  AgentsEvalsRAG / retrievalLLMsFine-tuningRL / post-trainingPhD
  Save Staff/Senior Machine Learning Research Engineer, Intelligent Systems
• Senior/Staff Machine Learning Research Engineer, General Agents, Enterprise GenAI

  Scale AI · San Francisco, CA; New York, NY | New York, NY | San Francisco, CA | Seattle, WA · Research Engineer · $290K–$363K base · first seen 2026-09-29

  AgentsEvalsLLMsPromptingFine-tuningRL / post-trainingPython
  Save Senior/Staff Machine Learning Research Engineer, General Agents, Enterprise GenAI
• ML Research Engineer, ML Systems

  Scale AI · San Francisco, CA; Seattle, WA; New York, NY | San Francisco, CA · Research Engineer · $190K–$237K base · first seen 2026-09-29

  AgentsLLMsFine-tuningRL / post-trainingPyTorchCUDA / Triton
  Save ML Research Engineer, ML Systems
• Machine Learning Research Scientist, Post-Training

  Scale AI · San Francisco, CA; Seattle, WA; New York, NY | San Francisco, CA · Research Engineer · $166K–$207K base · first seen 2026-09-29

  EvalsLLMsFine-tuningRL / post-trainingPhD
  Save Machine Learning Research Scientist, Post-Training
• Research Engineer, Cybersecurity RL (Reinforcement Learning)

  Anthropic · Zürich, CH · Research Engineer · first seen 2026-09-29

  AgentsEvalsLLMsRL / post-training
  Save Research Engineer, Cybersecurity RL (Reinforcement Learning)
• Staff+ Research Engineer, RL Data Platform

  Anthropic · San Francisco, CA | New York City, NY | New York City, NY | San Francisco, CA · Research Engineer · $500K–$850K base · first seen 2026-09-29

  LLMsRL / post-trainingPythonTypeScript
  Save Staff+ Research Engineer, RL Data Platform
• Research Engineer, Computer Use

  Anthropic · San Francisco, CA | New York City, NY | Seattle, WA | New York City, NY | San Francisco, CA | Seattle, WA · Research Engineer · $500K–$850K base · first seen 2026-09-29

  AgentsEvalsLLMsRL / post-trainingPython
  Save Research Engineer, Computer Use
• Research Engineer, Life Sciences

  Anthropic · San Francisco, CA · Research Engineer · $350K–$500K base · first seen 2026-09-29

  EvalsLLMsRL / post-trainingKubernetesPython
  Save Research Engineer, Life Sciences
• Research Engineer, RL Scaling Science

  Anthropic · London, UK · Research Engineer · first seen 2026-09-29

  EvalsRL / post-trainingPython
  Save Research Engineer, RL Scaling Science
• Research Engineer, Code RL (Reinforcement Learning)

  Anthropic · San Francisco, CA | New York City, NY | San Francisco, CA · Research Engineer · $500K–$850K base · first seen 2026-09-29

  AgentsEvalsLLMsFine-tuningRL / post-trainingPyTorchCUDA / TritonDistributed trainingPython
  Save Research Engineer, Code RL (Reinforcement Learning)
• Research Engineer, Post-Training Model Evaluations

  Anthropic · San Francisco, CA | Seattle, WA | San Francisco, CA · Research Engineer · $500K–$850K base · first seen 2026-09-29

  EvalsLLMsPython
  Save Research Engineer, Post-Training Model Evaluations
• Research Engineer, Machine Learning (RL Velocity)

  Anthropic · Remote-Friendly (Travel-Required) | San Francisco, CA | New York City, NY | San Francisco, CA · Remote · Research Engineer · $500K–$850K base · first seen 2026-09-29

  RL / post-trainingPyTorchJAXDistributed training
  Save Research Engineer, Machine Learning (RL Velocity)
• Research Engineer, Machine Learning (RL Velocity)

  Anthropic · London, UK · Research Engineer · first seen 2026-09-29

  RL / post-trainingPyTorchJAXDistributed training
  Save Research Engineer, Machine Learning (RL Velocity)
• Research Engineer, Pretraining

  Anthropic · London, UK · Research Engineer · first seen 2026-09-29

  LLMsRL / post-trainingPyTorchDistributed trainingKubernetesPython
  Save Research Engineer, Pretraining
• Research Engineer, Machine Learning (Reinforcement Learning)

  Anthropic · London, UK · Research Engineer · first seen 2026-09-29

  AgentsEvalsLLMsRL / post-trainingPyTorchJAXKubernetesPythonRustC++
  Save Research Engineer, Machine Learning (Reinforcement Learning)
• Research Engineer, Production Model Post-Training

  Anthropic · Zürich, CH · Research Engineer · first seen 2026-09-29

  EvalsLLMsFine-tuningRL / post-trainingPython
  Save Research Engineer, Production Model Post-Training
• Research Engineer, Visual Knowledge Work

  Anthropic · New York City, NY; San Francisco, CA; Seattle, WA | San Francisco, CA · Research Engineer · $350K–$850K base · first seen 2026-09-29

  AgentsEvalsLLMsFine-tuningRL / post-training
  Save Research Engineer, Visual Knowledge Work
• Research Engineer, Interpretability

  Anthropic · San Francisco, CA · Research Engineer · $315K–$560K base · first seen 2026-09-29

  LLMsPyTorchJAXCUDA / TritonPython
  Save Research Engineer, Interpretability
• Research Engineer, RL Engineering

  Anthropic · San Francisco, CA | New York City, NY | Seattle, WA | San Francisco, CA · Research Engineer · $500K–$850K base · first seen 2026-09-29

  EvalsLLMsRL / post-trainingDistributed trainingPythonRustC++
  Save Research Engineer, RL Engineering
• Research Engineer / Research Scientist, Tokens

  Anthropic · New York City, NY; New York City, NY | Seattle, WA; San Francisco, CA | San Francisco, CA · Research Engineer · $350K–$500K base · first seen 2026-09-29

  LLMsRL / post-trainingPyTorchDistributed trainingKubernetes
  Save Research Engineer / Research Scientist, Tokens
• ML/Research Engineer, Safeguards

  Anthropic · San Francisco, CA | New York City, NY | San Francisco, CA · Research Engineer · $350K–$500K base · first seen 2026-09-29

  AgentsEvalsRL / post-trainingPython
  Save ML/Research Engineer, Safeguards
• Research Engineer, Pretraining Scaling - London

  Anthropic · London, UK · Research Engineer · first seen 2026-09-29

  EvalsLLMsPyTorchJAX
  Save Research Engineer, Pretraining Scaling - London
• Research Engineer, Pretraining Scaling

  Anthropic · San Francisco, CA · Research Engineer · $350K–$850K base · first seen 2026-09-29

  EvalsLLMsPyTorchJAX
  Save Research Engineer, Pretraining Scaling
• Research Engineer, Discovery

  Anthropic · San Francisco, CA · Research Engineer · $350K–$850K base · first seen 2026-09-29

  EvalsLLMsRL / post-trainingPyTorchJAXKubernetes
  Save Research Engineer, Discovery
• Research Engineer / Scientist, Alignment

  Anthropic · San Francisco, CA · Research Engineer · $350K–$500K base · first seen 2026-09-29

  EvalsLLMsPromptingRL / post-trainingKubernetesPython
  Save Research Engineer / Scientist, Alignment
• Research Engineer, Production Model Post-Training

  Anthropic · San Francisco, CA | New York City, NY | Seattle, WA | New York City, NY | San Francisco, CA | Seattle, WA · Research Engineer · $350K–$500K base · first seen 2026-09-29

  EvalsLLMsFine-tuningRL / post-trainingPython
  Save Research Engineer, Production Model Post-Training
• Research Engineer, Machine Learning (Reinforcement Learning)

  Anthropic · San Francisco, CA | New York City, NY | New York City, NY | San Francisco, CA · Research Engineer · $500K–$850K base · first seen 2026-09-29

  AgentsEvalsLLMsRL / post-trainingPyTorchJAXKubernetesPythonRustC++
  Save Research Engineer, Machine Learning (Reinforcement Learning)
• [Expression of Interest] Research Engineer / Scientist, Alignment - London

  Anthropic · London, UK · Research Engineer · first seen 2026-09-29

  EvalsLLMsPromptingRL / post-trainingKubernetesPython
  Save [Expression of Interest] Research Engineer / Scientist, Alignment - London