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757 research engineer jobs at 353 companies in Vallejo, CA

1w
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Research Engineer
San Francisco, California, United States
$200k-$400k/yr OnsiteFull Time
Decagon
Decagon: Conversational AI platform for automated customer support.
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
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2mo
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Research Engineer
Redwood City, California, United States
$180k-$300k/yr HybridFull Time
DatologyAI
DatologyAI: Automated data curation for efficient AI model training.
4+ YOEBachelor's or equivalent, 4+ years research lab experience, strong ML systems and distributed training background, software engineering and empirical research skills; PhD preferred; publication/open-source contributions valued.
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3w
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Research Engineer
San Francisco, California, United States
$200k-$350k/yr OnsiteFull Time
Console
Console: Automates IT support and internal operations using AI agents.
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
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3w
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Research Engineer
San Francisco, California, United States
$180k-$280k/yr OnsiteFull Time
Greptile
Greptile: AI agents for autonomous code review and validation.
BS in Computer Science or equivalent, research experience with ML/LMs/agents, strong programming skills, and product intuition.
GitHub, LLMs
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1w
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Staff Research Engineer
San Francisco, California, United States
$195k-$230k/yr HybridFull Time
Onton
Onton: An AI-powered search engine for product discovery and shopping.
Significant software/ML/research engineering experience, deep understanding of AI (neurosymbolic approaches), strong implementation and critical thinking skills; PhD/Master's preferred.
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2w
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Research Engineer/Research Scientist, Personal AGI-Model Experience
San Francisco, California, United States
$295k-$555k/yr HybridFull Time
OpenAI
OpenAI: Develops artificial intelligence models and generative AI software services.
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.
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1d
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Forward Deployed Research Engineer
San Francisco, California, United States
$150k-$250k/yr OnsiteFull Time
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
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
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2w
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Research Engineer
San Francisco, California, United States
$180k-$280k/yr HybridFull Time
SuperAnnotate
SuperAnnotate: Platform for building high-quality training datasets for AI models.
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
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3mo
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Research Engineer
Palo Alto, California, United States
$120k-$140k/yr OnsiteFull Time
Subsense
Subsense: Developing non-surgical, nanoparticle-based brain-computer interfaces.
0+ YOEDesign and build hardware/software systems; develop prototypes; integrate hardware, software, and control components; perform engineering tests.
MATLAB, Python, COMSOL, ANSYS
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22h
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Research Engineer, Infrastructure, Kernels
San Francisco, California, United States
$350k-$475k/yr HybridFull Time
Thinking Machines
Thinking Machines: Building AI systems to extend human will and judgment.
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
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2mo
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Senior Research Engineer - Video Agents
San Francisco, California, United States
$220k-$280k/yr HybridFull Time, Temporary
Canva
Canva: Online graphic design platform for creating and editing visual content.
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
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9h
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Research Engineer, Applied AI
San Francisco, California, United States
OnsiteFull Time
HeyMilo
HeyMilo: Automates candidate screening and interviews using AI voice agents.
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
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1mo
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Research Engineer - MSL FAIR Foundations
Menlo Park or Seattle or New York City
$154k-$217k/yr OnsiteFull Time
Meta
MetaNASDAQ: META: Develops social networking platforms and virtual reality technologies.
3+ YOEBachelor's degree (or equivalent), 3+ years machine learning engineering/research experience, proficiency in Python and PyTorch, strong software engineering practices, and ability to work independently in fast-paced research environments.
Python, PyTorch
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2mo
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Research Engineer
San Francisco, California, United States
$100k-$200k/yr OnsiteFull Time
Human Archive
Human Archive: A research lab focused on embodied intelligence and robotics backed by YC.
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.
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1mo
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Research Engineer
Berkeley or London or United States
$141k-$930k/yr HybridFull Time
Resolution
Resolution: Conducts research on aligning artificial superintelligence with human intent.
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
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3w
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Research Engineer, Benchmarks
San Francisco or Singapore
OnsiteFull Time
HUD
HUD: Platform for reinforcement learning environments and AI agent evaluations.
Proficiency in Python,Docker,Linux; experience building benchmarks and evals; strong communication; research or publication experience preferred.
Python, Docker, Linux, ChatGPT, Claude Code, Cursor
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3mo
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Research Engineer
San Francisco, California, United States
OnsiteFull Time
Altara
Altara: Building a scientific intelligence platform for physical R&D.
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
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5d
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Research Engineer - Data & Evals
San Francisco, California, United States
OnsiteFull Time
Epsilon Health
Epsilon Health: Provides AI-powered radiology diagnostic services and medical imaging software.
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
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3w
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Research Engineer
Menlo Park, California, United States
OnsiteFull Time
Fundamental Research Labs
Fundamental Research Labs: Building autonomous, collaborative, and socially intelligent AI agents.
Curious, technically strong candidates (AI/CS or STEM backgrounds) able to learn quickly; suitable for recent grads; customers mainly in finance.
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3mo
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Research Platform Engineer
San Francisco, California, United States
$200k-$300k/yr HybridFull Time
World Labs
World Labs: Building foundational AI models to perceive and simulate 3D worlds.
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
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