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65 applied research scientist jobs at 43 companies in Fairfield, CA

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Applied Research Scientist, AI Research
San Francisco, California, United States
$262k-$299k/yr HybridFull Time
Descript
Descript: Private AI software providing text-based audio and video editing tools for creators and teams.
Deep learning algorithm design and implementation, strong PyTorch or TensorFlow skills, rapid experimentation, and demonstrated research or production impact. PhD or master's or equivalent experience required.
PyTorch, TensorFlow
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3mo
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Computer Vision, Applied Research Scientist
San Francisco, California, United States
$170k-$250k/yr OnsiteFull Time
Boon Technologies
Boon Technologies: AI construction software platform helping general contractors and subcontractors automate takeoffs, estimating, and bidding.
3+ YOE3-7+ years in computer vision research; strong multi-modal/vision transformer experience; hands-on PyTorch; production-ready model deployment; fluent English.
PyTorch, YOLO, SAM, DINO, CLIP, SigLIP
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3mo
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Applied Scientist
San Francisco, California, United States
HybridFull Time
Adaption
Adaption: AI building adaptive intelligence that continually learns for industries, languages, and specialized workflows.
3+ YOE3–4 years in ML or applied research; deploy ML systems; strong software engineering with PyTorch/JAX/TensorFlow; online/ RL or efficient ML architectures; data modeling and curation impact; strong communication; ownership mindset; bonus: human feedback/adaptive learning.
PyTorch, JAX, TensorFlow
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1mo
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Research Engineer/ Applied Scientist
San Mateo, California, United States
$280k/yr OnsiteFull Time
Wisdom AI
Wisdom AI: N enterprise AI analytics helping businesses turn complex data into explainable insights.
5+ YOE5+ years applied ML/NLP experience, Master's required (PhD preferred), deep LLM and agent experience, production Python and ML framework skills, evaluation and benchmarking expertise.
Python
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2mo
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Senior Applied Scientist
San Francisco, California, United States
$192k-$260k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Multinational technology focused on e-commerce and cloud computing.
4+ YOEPhD in CS/EE/Robotics or related, 4+ years in computer vision/3D perception/sensor fusion, strong Python/C++ skills, experience with deep learning frameworks, production ML delivery, strong publication or applied research record.
Java, C++, Python, PyTorch, TensorFlow, ROS, ROS2, PCL, Open3D
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Senior Applied Scientist - Operations Research & Systems Analysis (ORSA)
San Jose, California, United States
OnsiteContract
Prodapt
Prodapt: AI-first technology consulting and managed-services firm serving telecom and technology enterprises with digital and network transformation.
7+ YOEMS/PhD in Operations Research preferred or Bachelor in CS/Engineering,7+ years applied scientist experience in ORSA, solver experience with Gurobi/CPLEX, Python and advanced numerical computing, retail supply chain domain knowledge, mentoring experience.
Gurobi, CPLEX, Python, SageMaker, Step Functions, Lambda, AWS
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2mo
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Research Scientist
San Francisco or Palo Alto
$150k-$300k/yr OnsiteFull Time
Parallel Web Systems
Parallel Web Systems: AI infrastructure providing web search, research, extraction, and monitoring APIs for AI agents and enterprise workflows.
Deep intuition on modern models and training; expertise in transformer, search, and recommendation model interactions; focus on applied research that can be productized at scale.
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Research Scientist
San Francisco, California, United States
$180k-$250k/yr HybridFull Time
Constellation
Constellation: Private NeuroAI building foundation models of human state from neural, physiological, behavioral, and environmental data.
Requires top-tier research publications, strong Python and PyTorch or JAX proficiency, deep time-series analysis expertise, experience in two related domains, and cloud data pipeline and model deployment experience.
PyTorch, JAX, Python, NeurIPS, ICLR, CVPR, ICML, Nature, Science
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Research Scientist
San Francisco, California, United States
$180k-$250k/yr OnsiteFull Time
Constellation
Constellation: Private NeuroAI building foundation models of human state from neural, physiological, behavioral, and environmental data.
Requires top-tier research publications, strong Python, PyTorch or JAX proficiency, deep time-series analysis, expertise in at least two related domains, and experience building cloud data pipelines and deploying models.
PyTorch, JAX, Python, NeurIPS, ICLR, CVPR, ICML, Computer Vision, NLP, Audio, Speech Processing
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1mo
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Applied Scientist, Optimization & Logistics
San Francisco, California, United States
$160k-$220k/yr HybridFull Time
Sprinter Health
Sprinter Health: Private mobile healthcare provider delivering in-home diagnostics and preventive care to patients through nurses and virtual clinicians.
Strong foundations in operations research or optimization, experience with production optimization/decision systems, Python and SQL proficiency, experiment design, and cross-functional collaboration.
Python, SQL, Claude Code, Cursor
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Staff Applied Scientist, Financial Forecasting
San Francisco or New York City
$250k-$330k/yr HybridFull Time
Vercel
Vercel: Software providing developer infrastructure for teams building web applications and AI agents.
8+ YOERequires 8+ years in machine learning, data science, or applied statistics; advanced time-series forecasting; production ML systems; Python, SQL, causal inference, experimentation, and technical leadership experience.
Python, SQL, Snowflake, Delta Lake, dbt, Airflow, MLOps
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11h
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Applied Scientist, AI/ML
United States or Berlin or Boston or Cologne or Karlsruhe or London or Munich or San Francisco or Zurich
HybridFull Time, Part Time
QuantCo
QuantCo: Privately held data-science and AI engineering helping enterprises and public-sector organizations make decisions.
Expertise in machine learning, statistics, econometrics, or causal inference; strong mathematical and statistical foundations; Python and ML ecosystem fluency; and a quantitative degree. Advanced degree and foundation-model experience preferred.
Python, pandas, Polars, scikit-learn, PyTorch, JAX, XGBoost, LightGBM
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AI Research Scientist, FAIR Chemistry
New York City or San Francisco
$184k-$257k/yr OnsiteFull Time
Meta
MetaNASDAQ: META: Builds technologies that help people connect, find communities, and grow businesses.
4+ YOEPhD in a relevant field, 4+ years research experience, publications at top ML conferences, research background in ML/AI/applied math, and experience developing and debugging in Python.
Python
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2mo
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Applied AI Scientist
Tel Aviv or Foster City or Plano or Toronto or Vancouver or London or Amsterdam or Tbilisi or Medellin
HybridFull Time
Tipalti
Tipalti: Private fintech providing accounts-payable, payments, procurement, expense, and treasury automation for mid-market businesses.
3+ YOEBachelor's in CS/Engineering (AI focus), 3+ years AI/ML engineering experience, production deployment of agentic AI systems, proficiency with Python and SQL, LLMs, RAG and vector DBs, cloud deployment (AWS preferred).
Python, SQL, AWS, LLMs, RAG, vector databases
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1mo
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Applied AI Scientist
San Francisco, California, United States
$190k-$240k/yr OnsiteFull Time
Echo Neurotechnologies
Echo Neurotechnologies: Private San Francis neurotechnology startup developing brain-computer interfaces that restore communication for people with severe disabilities.
5+ YOEBachelor's or Master's in quantitative field, 5+ years ML experience, experience with transformers, time-series/state-space models, production ML platforms, Python, PyTorch, and GPU-accelerated pipelines.
Python, PyTorch, GPUs, GPU software toolkits
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1mo
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Applied Data Scientist
Santa Rosa or Loveland or Barcelona
$109k-$196k/yr OnsiteFull Time
Keysight Technologies
Keysight TechnologiesNYSE: KEYS: Global electronic design, test, and manufacturing hardware/software solutions.
1+ YOEMaster's or PhD in a quantitative field,1+ years data science experience,proficiency in Python and SQL,experience with Snowflake/Databricks,data pipeline and ML model development,tree-based methods and Bayesian optimization.
Snowflake, Databricks, SQL, Python, C++, pandas, numpy, scikit-learn, XGBoost, LightGBM, Random Forests, Bayesian Optimization
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1mo
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Applied Data Scientist
Santa Rosa or Loveland or Barcelona
$109k-$196k/yr OnsiteFull Time
Keysight Technologies
Keysight TechnologiesNYSE: KEYS: Global electronic design, test, and manufacturing hardware/software solutions.
1+ YOEMaster's or PhD in a quantitative field, 1+ years data science experience, strong Python and SQL skills, experience with Snowflake/Databricks, tree-based ML, Bayesian Optimization, and building scalable data infrastructures.
Python, pandas, numpy, scikit-learn, SQL, C++, Snowflake, Databricks, XGBoost, LightGBM, Random Forests, Bayesian Optimization
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3mo
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Applied Scientist - Member of Sciences [Bay Area]
Palo Alto or Bellevue or Seattle or San Francisco
$350k-$700k/yr HybridFull Time
NTT DATA AIVista
NTT DATA AIVista: Private AI software subsidiary of NTT DATA building governed agents for regulated enterprises.
5+ YOEPhD or equivalent; 5+ years AI/ML in production; impactful research (publications/patents); strong deployment and collaboration with engineering.
Python, Machine Learning, Deep Learning, LLMs, Multimodal AI, Knowledge Graphs
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1w
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Research Scientist, Dynamical Systems & AI
San Francisco, California, United States
OnsiteFull Time
Becoming
Becoming: Private developmental-biology building robotic systems and AI models to predict mammalian development over time.
1+ YOEPhD or equivalent experience in a relevant quantitative field, 1+ year applied research or industry experience, and strong grounding in dynamical systems, time-series, control, or sequence modeling.
AI, state-space models, world models, neural ODEs
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2d
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Senior ML Research Scientist
United States or San Francisco
$170k-$220k/yr RemoteFull Time
Rad AI
Rad AI: Healthcare AI software helping radiologists automate reporting and patient follow-up while reducing documentation burden.
4+ YOE4+ years of applied ML research or engineering experience, strong Python and PyTorch skills, full-lifecycle ML project ownership, and an MS, PhD, or equivalent experience in a quantitative field.
Python, PyTorch, DICOM, FDA, HIPAA
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