144 ai research engineer jobs at 92 companies in Sonoma, CA
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AI Research Engineer
San Francisco or New York
$100k-$300k/yr OnsiteFull Time
Experience in automated reasoning, AI/ML for code reasoning, research publications, and independently driven work.
Terraform, Pulumi, CDK
6d
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AI Research Engineer
San Francisco, California, United States
$70k-$196k/yr HybridFull Time
2+ YOEBachelor's degree or equivalent experience; 2+ years advanced AI, HCI, HRI, or computational design R&D; 3 years rapid prototyping; programming, AI frameworks, user research, and communication skills.
Python, JavaScript, TensorFlow, PyTorch, ROS2, Shell scripting, AWS, GCP, Azure
2mo
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AI Research Engineer
San Francisco, California, United States
HybridFull Time
3+ YOEBachelor's degree in CS/AI or related field; at least 2 years in advanced R&D engineering for AI/HCI/HRI; 3 years of rapid prototyping experience.
Python, JavaScript, TensorFlow, PyTorch, ROS2, Shell scripting
1w
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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
1mo
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Applied AI Research Engineer
Boston or San Francisco or United States
HybridFull Time
3+ YOEBachelor's or Master's in a technical field (or equivalent), 3+ years building AI/ML or applied research systems, strong Python and PyTorch skills, experience with LLM tooling, fine-tuning, retrieval, agentic systems, and experiment design; eligible to obtain U.S. security clearance.
Python, PyTorch, Transformers, vLLM, Hugging Face
3w
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Senior AI Research Engineer
San Francisco or Atlanta
$250k-$300k/yr HybridFull Time
3+ YOEMaster's/PhD or equivalent, 3+ years building and deploying ML models, deep learning and computer vision expertise, strong software engineering and MLOps experience.
PyTorch, Python, NumPy, SciPy, scikit-learn, Open3D, trimesh, AWS SageMaker, Vertex AI, Azure ML, Weights & Biases, MLflow, Docker, Kubernetes, Revit, Rhino/Grasshopper, YOLO, SAM, NeRF, PyTorch Geometric, DGL, Mujoco, Isaac Sim, PointNet++, DGCNN
2mo
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AI Research Engineer (Robot Learning)
San Francisco or Zurich
OnsiteFull Time
3+ YOEPhD (or equivalent) in CS/Data Science/Robotics, 3+ years training generative models, 4+ years developing Python code, strong empirical research skills, project management experience, and fluent English.
Python, ROS2
3w
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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
1mo
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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, AI Models
San Francisco or United States
HybridFull Time
EnCharge AI: Develops energy-efficient analog in-memory AI hardware and software systems.
5+ YOE5+ years in ML research/systems, strong Python and PyTorch, hands-on with transformers/diffusion models, fine-tuning and evaluation pipelines, hardware-aware ML optimizations and benchmarking experience.
Python, PyTorch, PyTorch Profiler, Nsight
2d
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Research Engineer, LangSmith Engine
New York City or San Francisco
OnsiteFull Time
4+ YOERequires 4+ years in ML/AI research, a relevant master's or Ph.D., LLM and AI agent experience, benchmark and experiment design, and strong software engineering skills.
LangSmith, LangChain, LangGraph, Deep Agents, LLMs, AI agents, GPU infrastructure, SFT, RLHF, RLAIF
1w
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Research Engineer / Research Scientist / AI Systems Engineer, RSI
San Francisco, California, United States
$295k-$445k/yr HybridFull Time
Experience in LLM training, model evaluations, agent systems, synthetic data, research infrastructure, and large-scale distributed systems; strong generalist able to move between research and implementation; rigorous scientific judgment and concern for safety and reliability.
3mo
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Research Engineer, Monetization AI
Sunnyvale or Bellevue or Menlo Park or Burlingame or Boston or New York or San Francisco or United States
$184k-$257k/yr HybridFull Time
Bachelor's in CS/ENG or equivalent; ML/NLP/recommender systems experience; Python with PyTorch; scalable ML; familiarity with large-scale architectures and AI tooling.
Python, PyTorch
2d
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Research Engineer
San Francisco or Singapore
$150k-$250k/yr OnsiteFull Time
2+ YOERequires 2–4 years of research engineering experience, Python, Docker, Linux, AI agent training environments, benchmarks, evaluations, experiments, metrics, and data pipeline development.
Python, Docker, Linux
2w
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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.
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
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/Scientist
San Francisco, California, United States
$140k-$200k/yr OnsiteFull Time
PhD-level or equivalent research record with multiple top-conference publications or substantial AI lab research; empirical deep-learning experience, ability to run and debug ML experiments, and strong communication.
PyTorch
1mo
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AI Engineer
San Francisco, California, United States
$180k-$240k/yr HybridFull Time
Undergraduate CS/Engineering degree, track record delivering production agentic AI workflows, expertise with modern LLM tools, Python, data engineering, API integrations, and LLM eval/observability.
Python, Claude Code, Codex, Cursor, OpenAI, Anthropic, OpenAI Agents SDK, Anthropic Agents SDK, Langfuse, Weights & Biases
2mo
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Applied Research Engineer
San Francisco, California, United States
$145k-$196k/yr HybridFull Time
3+ YOE3+ years in applied research, NLP/IR/ML; 1+ year production AI/ML; strong IR; RAG; Python; communicate findings.
Python, Jupyter Notebook, Vector databases, Information retrieval, RAG, LLM evaluation, ranking models, cross-encoders
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