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159 applied data scientist jobs at 90 companies in California

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Senior Data Scientist, Applied AI
San Francisco, California, United States
$138k-$230k/yr OnsiteFull Time
Rippling
Rippling: Unified workforce management platform for HR, IT, and Finance.
3+ YOE3+ years experience in data science/applied ML or related fields, 2+ years hands-on data science/applied ML, production LLM experience, strong Python and SQL, FastAPI/Next.js/TypeScript experience a plus.
Python, FastAPI, Next.js, TypeScript, SQL, LangSmith, Braintrust, Langfuse, Arize
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4d
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Senior Data & Applied Scientist - Ontologies & Semantics
Palo Alto, California, United States
$149k-$306k/yr HybridFull Time
SAP
SAPNYSE: SAP: Global leader in enterprise application software and cloud services.
5+ YOE5+ years in knowledge engineering, semantic systems, applied AI, or data science; master's or PhD; ontology and graph query expertise; GenAI, Python, SQL, ML, production AI, cloud, and communication skills.
SPARQL, Cypher, GQL, RAG, Databricks, SAP Datasphere, SAP HANA Cloud, AWS, Azure, GCP, Python, SQL, PyTorch, TensorFlow, scikit-learn, SAP HANA Cloud Knowledge Graph Engine, SAP Business Data Cloud, SAP One Domain Model, SAP Graph API, SAP Business Accelerator Hub, OWL, RDF/RDFS, SKOS, SHACL
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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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Senior / Staff Applied Scientist
Toronto or San Francisco or Dallas or Pittsburgh or United States or Canada
$146k-$280k/yr HybridFull Time
Waabi
Waabi: Canadian AI developing autonomous trucks for freight operators and robotaxis for ridesharing platforms.
6+ YOE6+ years in applied data science or ML; MS/PhD in quantitative field; Python/SQL; statistics; cross-functional collaboration; interest in self-driving tech.
Python, SQL
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Senior Data and Applied Scientist
Redmond or United States or San Francisco or New York City
$120k-$235k/yr HybridFull Time
Microsoft
MicrosoftNASDAQ: MSFT: Multinational technology providing software, cloud, and AI solutions.
1+ YOEDoctorate plus 1+ year, master's plus 3+ years, bachelor's plus 5+ years, or equivalent data science experience. Preferred: 4+ years in analytics, causal inference, and behavioral modeling.
Python, R, SQL, KQL, PySpark, Fabric, Synapse, ADX, Delta Lake, ADF, Databricks, Snowflake, Azure Machine Learning, Azure AI Foundry, Azure OpenAI
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Staff Applied Scientist, AdTech
Los Angeles or Portland or San Diego or Seattle
$175k-$200k/yr RemoteFull Time
Launch Potato
Launch Potato: Privately held digital media connecting advertisers with consumers through owned digital brands.
5+ YOE5+ years applied data science in digital/performance marketing or leadgen; adtech modeling (bandits, recommender, LTV); ML solutions deployed in AWS; expert Python and SQL; strong business impact focus.
Python, SQL, AWS, Looker, Google, Meta, LLMs
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Applied Scientist
San Francisco, California, United States
$160k-$225k/yr HybridFull Time
Clipboard
Clipboard: Healthcare staffing marketplace connecting professionals with facilities to fill on-demand shifts.
Bachelor’s in a quantitative field; experience building quantitative models; SQL querying; designing and analyzing controlled experiments.
SQL, Python, R, Experimentation
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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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Lead Applied Data Scientist - Search Ranking (applied ML, LLMs, NLP)
Sunnyvale or Brooklyn Park
$132k-$286k/yr HybridFull Time
Target
TargetNYSE: TGT: An American general merchandise retailer.
5+ YOEMaster's or doctoral study in a quantitative field or equivalent experience; 5+ years deploying ML algorithms; NLP/LLM expertise; Python or Java; SQL/HQL; production ML and communication skills.
Python, Java, SQL, HQL, NLP, LLMs
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Lead Applied Data Scientist - Search Ranking (applied ML, LLMs, NLP)
Sunnyvale or Brooklyn Park
$132k-$286k/yr HybridFull Time
Target
TargetNYSE: TGT: An American general merchandise retailer.
5+ YOERequires PhD or MS in a relevant quantitative field or equivalent experience, 5+ years deploying ML in production, NLP/LLM/search expertise, Python or Java, SQL or HQL, and strong communication skills.
Python, Java, SQL, HQL
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Senior Applied Scientist
San Jose or Seattle
$143k-$271k/yr OnsiteFull Time
Adobe
AdobeNASDAQ: ADBE: Empowering everyone to create through innovative digital experiences.
Senior ML engineer with expertise in post-training methods, model distillation, and building production-ready pipelines; strong Python programming.
Python
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Staff Applied Scientist
San Francisco, California, United States
$194k-$242k/yr HybridFull Time
Lyft
LyftNASDAQ: LYFT: Ridesharing and transportation-as-a-service mobility platform.
2+ YOEM.S. or Ph.D. in a quantitative field,2+ years algorithms experience,proficiency with Python,production ML and optimization experience,strong communication and collaboration skills.
Python
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Principal Applied Scientist
Santa Clara, California, United States
$167k-$226k/yr HybridFull Time
Siemens
SiemensXetra: SIE: Global technology specializing in industry, infrastructure, transport, and healthcare.
8+ YOERequires 8+ years in applied machine learning, AI research, or data science; production model experience; strong ML foundations; Python and modern ML frameworks; and engineering partnership experience.
Python
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Applied Scientist
Palo Alto or New York City
HybridFull Time
Mistral AI
Mistral AI: Developer of open-weight and frontier AI models.
Expertise in PyTorch or JAX, strong Python coding, experience training/deploying large models on GPU clusters, data generation and evaluation, excellent communication and research track record.
PyTorch, JAX, Python, NCCL
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4d
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Principal Data Scientist - RDT Applied AI
South San Francisco, California, United States
$185k-$344k/yr OnsiteFull Time
Genentech
Genentech: U.S.-headquartered biotechnology discovering and developing medicines for people with serious and life-threatening diseases.
7+ YOEMaster’s degree required; PhD preferred. Requires 7+ years of data science experience, AI/ML expertise, Python, system integration, data architecture, healthcare compliance, and strategic consulting experience.
Python, R, GxP
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Applied Scientist, Data Processing Agents Science
Santa Clara, California, United States
$172k-$222k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Multinational technology focused on e-commerce and cloud computing.
3+ YOEPhD or Master\u0002s+4yrs in CS/CE/ML, publications, programming in Java/C++/Python, 3+ years research applying agentic AI/ML to systems (databases, PLs, distributed systems).
Java, C++, Python, EMR, Spark, Elasticsearch, Hadoop, Pig, Hive
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Applied Scientist, PhD New Grad
United States or Austin or San Francisco or New York City or Seattle or Los Angeles or Chicago or Gurugram or Bengaluru
$120k-$220k/yr RemoteFull Time
SentiLink
SentiLink: Your fraud and risk partner
Bachelor's, master's, or PhD in a quantitative field; machine learning, statistics, Python, data science, analytical, communication, and clean coding skills; U.S. work authorization and residence required.
Python, PostgreSQL, AWS, Amazon EC2, Amazon S3, Amazon RDS, Amazon Redshift
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2mo
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Data Scientist
New York City or San Francisco
OnsiteFull Time
Bedrock Robotics
Bedrock Robotics: Autonomous construction technology that retrofits heavy equipment into autonomous machines for general contractors.
5+ YOE5+ years in data science or applied ML, strong statistics and experimental design, proficiency in Python and SQL, experience with high-volume or real-time data, able to partner with engineering and product teams.
Python, SQL, agentic AI
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(USA) Principal, Data Scientist - Applied AI
Bentonville or Sunnyvale
$110k-$220k/yr OnsiteFull Time
Walmart
WalmartNYSE: WMT: Global retail, e-commerce, and supply chain.
3+ YOERequires a bachelor's degree and 5 years, master's degree and 3 years, or 7 years of analytics experience; expertise in production AI systems, Python, SQL, data engineering, and AI evaluation.
Python, SQL, Spark, Scala, R, scikit learn, tensorflow, torch
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(USA) Principal, Data Scientist - Applied AI
Bentonville or Sunnyvale
$110k-$220k/yr OnsiteFull Time
Walmart
WalmartNYSE: WMT: Global retail, e-commerce, and supply chain.
3+ YOEExperience building and deploying production AI/LLM systems, strong software engineering in Python, evaluation methods, data engineering and SQL knowledge; options for degree+experience or extensive experience (see degree requirements).
Python, Apache Spark, Scala, R, SQL, scikit-learn, TensorFlow, PyTorch
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