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25 AI research scientist jobs in San Francisco

Updated 16 Oct 2026. From employers' own job boards. Free to apply.

Work arrangementRemoteHybridOn-site ✕

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  1. Research Scientist - Post-training / RLEpsilon Health

    San Francisco, CA · On-site · Posted today

    AI agentsFine-tuningPyTorch, TensorFlow and JAXNLP

  2. Research Scientist - Vision Foundation ModelsEpsilon Health

    San Francisco, CA · On-site · Posted today

    LLMs and generative AIEvaluationsPyTorch, TensorFlow and JAXComputer vision

  3. Research Scientist - VLM PretrainingEpsilon Health

    San Francisco, CA · On-site · Posted today

    LLMs and generative AIFine-tuningPyTorch, TensorFlow and JAXNLP

  4. Research Scientist – Multimodal Foundation ModelsMecka

    Toronto GTA; New York; San Francisco · On-site · Posted 1 day ago

    $185k to $210k a year

    LLMs and generative AIEvaluationsFine-tuningPython

  5. RESEARCHER, AGENTS FOR AUTOMATED DISCOVERYMakerMaker

    San Francisco · On-site · Posted 4 days ago

    AI agentsLLMs and generative AIEvaluationsFine-tuning

  6. Research Engineer, Safety & AlignmentCognition

    San Francisco · On-site · Posted 7 days ago

    AI agentsEvaluationsPythonPyTorch, TensorFlow and JAX

  7. Research Engineer, RL EnvMecka

    New York; San Francisco · On-site · Posted 9 days ago

    $170k to $300k a year

    EvaluationsRobotics

  8. Research Engineer, Simulation & World ModelsMecka

    New York; San Francisco · On-site · Posted 9 days ago

    $170k to $300k a year

    PythonRobotics

  9. Research Engineer, Applied ResearchSierra

    San Francisco, CA · On-site · Posted 11 days ago

    AI agentsEvaluationsFine-tuningSalesforce and Agentforce

  10. Staff AI ResearcherThe Biological Computing Co.

    San Francisco · On-site · Posted 14 days ago

    $300k to $345k a year

    Computer visionRobotics

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Common questions

How many AI research scientist jobs in San Francisco are open?

25 jobs are open on Timo as of 16 Oct 2026, all posted on employers' own job boards in the 14 days before that date.

Which companies are hiring?

Pluralis Research, Primeintellect, Epsilon Health have the most open roles in this list right now.

What do these jobs pay?

For jobs that publish pay in US dollars, the median advertised range is $185k to $275k a year, based on 8 jobs.

Is it free to apply through Timo?

Yes. You need a free Timo account. You then apply on the employer's own site.