545 research engineer jobs at 258 companies in Cotati, CA
2w
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Research Engineer
San Francisco, California, United States
$200k-$400k/yr OnsiteFull Time
2+ YOE2+ years AI/ML engineering or research experience, experience training and deploying LLMs, fluency in Python and modern ML tooling, track record of productionizing research.
Python, LLMs
3w
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Research Engineer
San Francisco, California, United States
$200k-$350k/yr OnsiteFull Time
Experience building production AI systems, evals, model adaptation, and applied research engineering to improve agent behavior in real-world conditions.
Slack, Teams, DSPy, GEPA, LoRA, QLoRA, SFT, distillation, DPO, GRPO
1mo
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Research Engineer
San Francisco, California, United States
$180k-$280k/yr OnsiteFull Time
BS in Computer Science or equivalent, research experience with ML/LMs/agents, strong programming skills, and product intuition.
GitHub, LLMs
1w
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Staff Research Engineer
San Francisco, California, United States
$195k-$230k/yr HybridFull Time
Significant software/ML/research engineering experience, deep understanding of AI (neurosymbolic approaches), strong implementation and critical thinking skills; PhD/Master's preferred.
2w
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Research Engineer/Research Scientist, Personal AGI-Model Experience
San Francisco, California, United States
$295k-$555k/yr HybridFull Time
Strong ML engineering and research experience with reinforcement learning and large models; ability to design evaluations, implement and debug research code, and collaborate across research and product teams.
5d
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Forward Deployed Research Engineer
San Francisco, California, United States
$150k-$250k/yr OnsiteFull Time
2+ YOE2+ years applied research/forward-deployed engineering experience, strong AI engineering skills, proficiency in Python, Docker, and Linux, experience with evals/benchmarks, debugging, and customer-facing deployment support.
Python, Docker, Linux
2w
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Research Engineer
San Francisco, California, United States
$180k-$280k/yr HybridFull Time
MS/PhD or equivalent research experience in ML/CS, deep ML knowledge, hands-on experience with RL/agentic systems or multimodal evaluation, strong Python skills, autonomy, and technical writing.
Python
4d
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Research Engineer, Infrastructure, Kernels
San Francisco, California, United States
$350k-$475k/yr HybridFull Time
Bachelor's or equivalent, strong GPU/kernel engineering (CUDA/CuTe/Triton), experience with PyTorch/JAX, profiling and optimizing compute-intensive workloads, collaborative research orientation.
CUDA, CuTe, Triton, PyTorch, JAX, XLA, TVM
2mo
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Senior Research Engineer - Video Agents
San Francisco, California, United States
$220k-$280k/yr HybridFull Time, Temporary
5+ YOE5+ years ML research or research engineering; experience shipping LLM-powered systems; Python and PyTorch; multimodal models; agent planning, memory, and evals; strong experimentation.
Python, PyTorch
4d
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Research Engineer, Applied AI
San Francisco, California, United States
OnsiteFull Time
Advanced degree in AI/ML or CS, strong RL and LLM experience, Python and systems engineering skills, experience with containers and cloud, and ability to own research-to-production projects.
Python, Docker, Linux, LLMs
3mo
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Research Engineer
San Francisco, California, United States
$100k-$200k/yr OnsiteFull Time
Master’s or PhD in robotics, computer vision, sensing systems, or related fields; published research in sensor fusion, perception systems, multimodal datasets, or embodied AI; experience with RGB-D, IMUs, motion capture, tactile sensing, or robotics systems; strong hardware intuition; experience with RL and real deployments.
1mo
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Research Engineer
Berkeley or London or United States
$141k-$930k/yr HybridFull Time
Strong software engineering with production Python, ML framework experience (PyTorch or Jax), distributed-training knowledge, ability to ship complex systems, bachelor's degree (or equivalent) in CS/physics/math/ML, and motivation for ASI alignment.
Python, PyTorch, Jax, CUDA, Slack
3w
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Research Engineer, Benchmarks
San Francisco or Singapore
OnsiteFull Time
Proficiency in Python,Docker,Linux; experience building benchmarks and evals; strong communication; research or publication experience preferred.
Python, Docker, Linux, ChatGPT, Claude Code, Cursor
3mo
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Research Engineer
San Francisco, California, United States
OnsiteFull Time
Experience in applying AI/ML engineering, multi-agent workflows, multimodal data, or knowledge retrieval systems; strong product-minded and customer-focused mindset.
Python, Machine Learning, Multimodal data, LLM, Knowledge retrieval
1w
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Research Engineer - Data & Evals
San Francisco, California, United States
OnsiteFull Time
2+ YOE2+ years ML or data engineering experience, strong Python, experience in data quality or evaluation for ML, ability to build pipelines and evaluation metrics, collaborate with clinicians in fast-moving research settings.
Python, DICOM, Spark, Airflow, Databricks
3mo
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Research Platform Engineer
San Francisco, California, United States
$200k-$300k/yr HybridFull Time
5+ YOE5+ years building and shipping production systems; strong in at least one area of ML infra, distributed systems, data systems, or research tooling; Python expert; experience with ML researchers; high ownership mindset.
Python, C++, CUDA, Rust, Go
1w
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Sr. Research Engineer
San Francisco or San Jose
$165k-$313k/yr OnsiteFull Time
Experience building large-scale audio/video data pipelines, strong audio domain knowledge, generative-ML research experience, data acquisition/licensing and evaluation skills, and excellent communication.
Firefly, GenStudio
3w
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Research Engineer Intern
San Francisco, California, United States
$10k-$19k/yr OnsiteInternship, Full Time
Must be a current university student, have empirical ML research experience and at least one top‑venue publication or equivalent contributions, able to run and debug ML experiments, and familiar with PyTorch.
PyTorch
2w
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Research Engineer, Environments
San Francisco or New York City or London
$180k-$500k/yr OnsiteFull Time
Experience shipping environments, strong full-stack engineering, systems-level thinking, curiosity about model behavior, and bias to action to deliver high-quality RL environments and verifiers.
Temporal, Modal
4d
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Founding Research Engineer
New York City or San Francisco
$215k-$330k/yr OnsiteFull Time
4+ YOE4+ years building production software or ML systems, including 2+ years with RL environments or evaluation/agent infrastructure; strong software engineering, data processing, reproducibility, and evaluation skills.
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