66 principal data scientist jobs at 31 companies in Pleasanton, CA
3mo
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Principal Data Scientist
South San Francisco, California, United States
$174k-$217k/yr OnsiteFull Time
12+ YOE12+ years data science with production software experience; ML/DL proficiency; cloud and CI/CD; strong communication and collaboration.
Python, R, Scikit-learn, TensorFlow, PyTorch, AWS, Docker, CI/CD, GitHub
3mo
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Principal Data Scientist
San Francisco, California, United States
$135k-$242k/yr OnsiteFull Time
8+ YOE8+ years in data science or applied ML with product analytics experience; expertise in predictive modeling, instrumentation, and AI/ML products; strong communication.
Python, SQL, Machine Learning, LLMs, Retrieval-Augmented Generation, Vector Databases
1mo
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Principal Data Scientist
United States or San Francisco or New York City
$143k-$275k/yr OnsiteFull Time
5+ YOEAdvanced degree in quantitative field with multi-year data science experience (minimum 5+ yrs), experience managing structured/unstructured data, model evaluation, data acquisition, and strong communication skills; U.S. citizenship verification required.
3d
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Principal Data Scientist
San Francisco, California, United States
$206k-$269k/yr HybridFull Time
8+ YOE8+ years in data science or related fields; SQL and Python or R proficiency; statistical analysis, experimentation, data visualization, executive advising, and business strategy experience.
SQL, Python, R, Tableau, R-Shiny, MicroStrategy, SAP BusinessObjects, Looker
6d
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Principal Data Scientist
Canada or San Diego or South San Francisco
$188k-$210k/yr RemoteFull Time
8+ YOEPhD in data science, machine learning, applied math, or equivalent; 8+ years in data/applied science; Python, computer vision, statistical modeling, cloud computing, and technical leadership experience.
Python, AWS
1d
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Principal Data Scientist
San Francisco or New York City or Bellevue or Burbank
$228k-$423k/yr HybridFull Time
8+ YOEMaster's degree in a quantitative field required; PhD preferred. Requires 8+ years in machine learning, AI, or data science, recommender systems expertise, SQL, big data, and Python-based ML platforms.
SQL, AWS, Snowflake, Spark, Google Cloud, Python, TensorFlow, Keras, PyTorch
3w
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Principal Data Scientist
Oakland, California, United States
$163k-$277k/yr HybridFull Time
8+ YOE8+ years data science/AI engineering experience (2 years with doctorate), bachelor’s in quantitative field or equivalent, deep Python and cloud AI experience, agentic AI and MLOps expertise, strong communication and leadership.
Python, AWS Bedrock, AWS AgentCore, LangGraph, LangChain, CrewAI, APIs, CI/CD, vector databases
1mo
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(USA) Principal, Data Scientist
Sunnyvale or Bentonville
$110k-$286k/yr OnsiteFull Time
3+ YOEAdvanced experience building and deploying ML/DL models with Python and SQL, strong statistical and data strategy skills, experience mentoring others, and ability to translate business needs into data solutions.
Python, SQL, Spark, Scala, R, scikit learn, tensorflow, torch
1d
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(USA) Principal, Data Scientist
Bentonville or Sunnyvale or Bellevue
$110k-$220k/yr OnsiteFull Time
3+ YOEMaster's degree in a quantitative or computing field and 5+ years in data science or machine learning, or listed alternative pathways; advanced ML, AI, statistics, Python, and production deployment expertise.
Python, LangChain, Pydantic AI, FAISS, BERT, SBERT, XGBoost, CatBoost, LightGBM, Random Forest, AutoML, PyTorch, YOLO, CLIP, ARIMA, Prophet, AWS SageMaker, GCP, Vertex AI, BigQuery, BigQuery ML, Pandas, NumPy, Scikit-learn, Docker, Spark, Scala, R, TensorFlow, Microsoft Excel
1w
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Principal Data Scientist, Google Search
Mountain View or Kirkland or New York City or Seattle or San Francisco
$307k-$427k/yr OnsiteFull Time
15+ YOEBachelor’s degree or equivalent practical experience; 15 years in data science or quantitative fields; experience using data insights to improve products and engineering; advanced degree and product-building experience preferred.
AI
1mo
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Senior / Principal Data Scientist - Discovery
San Mateo, California, United States
$307k-$374k/yr HybridFull Time
10+ YOEAdvanced quantitative degree, 10+ years data science (or 6+ with PhD) with recommendation systems experience; expertise in causal inference, experimentation, ML, and strong communication skills.
Python, R, SQL, Hive, Spark, Airflow
2w
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Principal Data Scientist, Core Shopping Data Science
Seattle or Palo Alto
$189k-$295k/yr OnsiteFull Time
Graduate degree in a quantitative field or equivalent experience; substantial data science industry experience; expertise in statistical inference, experimental design, sampling, Python and SQL; experience evaluating LLMs and owning high-visibility metrics.
Python, SQL, LLMs, Gecko
3w
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Principal Associate, Data Scientist - Emerging ML
McLean or San Jose or New York City
$162k-$201k/yr OnsiteFull Time
3+ YOEQuantitative bachelor's degree plus 5 years, master's or quantitative MBA plus 3 years, or PhD; 3+ years in data analytics, machine learning, and SQL, with Python, Scala, or R experience.
Python, Scala, R, SQL, Spark, AWS
3w
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Principal Associate, Data Scientist - Emerging ML
McLean or New York City or San Jose
$162k-$201k/yr OnsiteFull Time
5+ YOEAdvanced degree in quantitative field plus relevant analytics experience; 3–5+ years of data science experience; proficiency in Python/Scala/R, SQL, Spark, AWS; strong statistical and ML expertise.
Python, Scala, R, Spark, AWS, SQL
5d
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Data Scientist, Principal - AI Product Engineering
Oakland or Washington or Ohio or District of Columbia or California or Long Beach or Arizona or Colorado or Connecticut or Florida or Georgia or Maryland or Minnesota or Nevada or Oregon or El Dorado Hills or San Diego or Woodland Hills or Alabama or Illinois or Virginia or Wisconsin or Texas or New York
$161k-$242k/yr HybridFull Time
10+ YOEBachelor's degree or equivalent practical experience and 10 years in data science, machine learning, AI/ML, software engineering, or advanced analytics. Requires Python, APIs, ML infrastructure, PyTorch, TensorFlow, LangChain, and LangGraph.
Python, PyTorch, TensorFlow, LangChain, LangGraph, Azure, Google Cloud, AWS, SQL, Spark, CI/CD, MLOps, LLMOps
2mo
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Principal Data Scientist, Predictive AI
South San Francisco, California, United States
$207k-$385k/yr HybridFull Time
7+ YOEBachelor's degree, 7+ years AI experience, 3+ years recommender systems/forecasting, deep learning, causal inference, proficiency with Hadoop, Spark, AWS, Python, and ML frameworks; strong communication and leadership.
Hadoop, Spark, AWS, Python, LangChain, CrewAI, TensorFlow, PyTorch, Tableau, Qlik, Data Studio
4d
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Principal Architect & Lead Data Scientist
Santa Clara or San Jose or Palo Alto
$200k-$230k/yr OnsiteFull Time
Requires senior data-platform architecture experience, bitemporal modeling, feature stores, graph databases, strong Python, AWS or Azure, data science expertise, and leadership of production delivery and client handover.
Python, AWS, Azure, Neo4j, Kinesis, Kafka
1mo
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Principal Data Scientist - Recommendation & Personalization Systems
McLean or San Jose or New York City
$162k-$201k/yr OnsiteFull Time
5+ YOEQuantitative bachelor's degree plus 5 years, master's or quantitative MBA plus 3 years, or quantitative PhD; preferred experience includes Python, Scala or R, machine learning, SQL, and AWS.
Python, Conda, AWS, H2O, Spark, Scala, R, SQL
2w
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Principal Data Automation Engineer/ Data Scientist, Supply Chain
Santa Clara, California, United States
$115k-$235k/yr OnsiteFull Time
7+ YOE7+ years in data engineering/analytics/AI with expertise in SQL and Python, building data pipelines, automation, ML models, and dashboards for supply chain operations.
SQL, Python, Oracle Analytics Cloud, Tableau, Power BI, Oracle Fusion Cloud Applications
2mo
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Principal Applied Data Scientist - Search and Browse (NLP, Vector Search, LLMs)
Sunnyvale or Brooklyn Park
$168k-$356k/yr HybridFull Time
8+ YOEPhD or MS in CS/Statistics/Applied Math/Physics; 8+ years ML/AI experience; semantic retrieval, vector search, LLMs; Python; architecture leadership; cross-functional influence.
Python, LLMs, NLP, Vector search, RAG, Transformers, VertexAI
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