AI & ML jobs
Research Engineer jobs in San Francisco
75 verified-open roles at 13 companies: engineering roles that turn research ideas into working training and evaluation systems. Every listing was confirmed open on the employer's own job board in the last few days. Of the 35 that list a salary, the median is $295k and the middle half runs $200k – $380k.
75 open roles
Research Engineer / Research Scientist, Human Flourishing
OpenAI | San Francisco | $380k – $500k
Research Scientist / Research Engineer, Search Integrity
OpenAI | San Francisco | $380k – $850k
Research Scientist / Research Engineer, Search - Knowledge Graphs
OpenAI | San Francisco | $380k – $850k
Research Engineer, Chip Design RL
Anthropic | San Francisco, CA
Research Scientist / Research Engineer, Automated Safety
Lila Sciences | Cambridge, MA USA; London, UK; San Francisco, CA
Security Engineer / Research Engineer, RL Security
Anthropic | San Francisco, CA | New York City, NY | Seattle, WA
Staff / Principal Research Engineer, AI Safety Mitigations
Lila Sciences | Cambridge, MA USA; London, UK; San Francisco, CA
Research Engineer, Safety & Alignment
Cognition | San Francisco
Research Engineer, Applied Research
Sierra | San Francisco, CA
Staff Research Engineer, Multi-Agent Scaling
Anthropic | San Francisco, CA | New York City, NY | Seattle, WA
Research Engineer / Research Scientist, RL Frontiers
Anthropic | San Francisco, CA | New York City, NY | Seattle, WA
Research Engineer / Performance Engineer, RL Distributed Systems
Anthropic | San Francisco, CA | New York City, NY | Seattle, WA
Web Crawling - Research Engineer
Thinking Machines Lab | San Francisco | $350k – $475k
Systems Research Engineer Intern - GPU Programming (Winter 2027)
Together AI | San Francisco
Systems Research Engineer Intern - GPU Programming (Summer 2027)
Together AI | San Francisco
Research Engineer, AI for Chip Design
OpenAI | San Francisco | $380k – $500k
Research Engineer, Audio and Speech
Decagon | San Francisco | $200k – $400k
Research Engineer, Safety
Decagon | San Francisco | $200k – $400k
Senior Research Engineer, Safety
Decagon | San Francisco | $200k – $400k
Applied AI, Research Engineer
Anthropic | San Francisco, CA | New York City, NY
Staff+ Research Engineer, RL Data Platform
Anthropic | San Francisco, CA | New York City, NY
Research Engineer / Research Scientist, Health
OpenAI | San Francisco | $380k – $500k
Research Engineer, Mid-Training
Cognition | San Francisco
Research Engineer, Post-Training
Cognition | San Francisco
Research Engineer, ML Infrastructure
Cognition | San Francisco
Research Engineer / Research Scientist / AI Systems Engineer, RSI
OpenAI | San Francisco | $295k – $445k
Research Engineer, Infrastructure, Inference
Thinking Machines Lab | San Francisco | $350k – $475k
Research Engineer, Infrastructure, Numerics
Thinking Machines Lab | San Francisco | $350k – $475k
Research Engineer, Infrastructure, Kernels
Thinking Machines Lab | San Francisco | $350k – $475k
Research Engineer, Infrastructure, Training Systems
Thinking Machines Lab | San Francisco | $350k – $475k
Research Engineer / Research Scientist - Personal AGI, Personalization
OpenAI | San Francisco | $380k – $500k
Research Engineer / Research Scientist - Personal AGI, Memory
OpenAI | San Francisco | $380k – $500k
Research Engineer, Scientific Data & Workflow Infrastructure
Lila Sciences | Cambridge, MA USA; San Francisco, CA
Research Engineer, Large-Scale Training
Together AI | San Francisco | $200k – $290k
Research Engineer / Scientist (Robot Learning)
World Labs | San Francisco | $250k – $350k
Research Engineer
Decagon | San Francisco | $200k – $400k
Research Engineer/Research Scientist- Personal AGI, Model Experience
OpenAI | San Francisco | $380k – $500k
Staff/Senior Machine Learning Research Engineer, Intelligent Systems
Scale AI | San Francisco, CA; New York, NY
Research Engineer, Privacy
OpenAI | San Francisco
Research Engineer, Post-Training Inference
Together AI | San Francisco | $200k – $290k
Research Engineer, Life Sciences
Anthropic | San Francisco, CA
Research Engineer, Computer Use
Anthropic | San Francisco, CA | New York City, NY | Seattle, WA
Member of Technical Staff - Research Engineer
Black Forest Labs | San Francisco | $180k – $290k
Research Engineer/Research Scientist - Personal AGI, North Stars
OpenAI | San Francisco | $380k – $500k
Research Engineer
Sesame | San Francisco | $190k – $320k
Research Engineer, Code RL (Reinforcement Learning)
Anthropic | San Francisco, CA | New York City, NY
Senior Research Engineer, Audio and Speech
Decagon | San Francisco | $200k – $400k
Research Engineer, Post-Training Model Evaluations
Anthropic | San Francisco, CA | Seattle, WA
Research Engineer, Machine Learning (RL Velocity)
Anthropic | Remote (Friendly | San Francisco, CA | New York City, NY)
Post-Training Research Engineer
Baseten | San Francisco | $200k – $275k
Companies hiring
- Anthropic (25)
- OpenAI (16)
- Decagon (6)
- Thinking Machines Lab (5)
- Together AI (5)
- Lila Sciences (4)
- Cognition (4)
- World Labs (3)
Where these jobs are
- San Francisco (75)
- New York City (17)
- Seattle (12)
- Cambridge (4)
- New York (3)
- London (2)
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