11 principal scientist jobs at 9 companies in Bloomington, CA
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Principal Clinical Scientist
Aliso Viejo, California, United States
$148k-$194k/yr OnsiteFull Time
5+ YOEMaster's degree in relevant science/medicine, 5+ years clinical research scientist experience, GCP knowledge, clinical protocol development, strong writing and communication, analytical skills.
PubMed, MedLine
1mo
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Senior Principal Data Scientist, Advanced Forecasting
Irvine, California, United States
$145k-$205k/yr OnsiteFull Time
10+ YOEBachelor's degree in quantitative field, minimum 10 years experience (or 8 with Masters/4 with PhD), strong statistical and ML fundamentals, hands-on Python/R and SQL, forecasting and scenario modeling experience, excellent communication.
Python, R, SQL, Anaplan, Oracle, JDE, Concur, Salesforce.com, Databricks, Azure, AWS
1mo
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Principal Scientist- Search
New York City or San Francisco or Los Angeles or Irvine or McLean or Washington
$212k-$394k/yr HybridFull Time
8+ YOEPhD and 8+ years building and deploying production AI systems; deep expertise in information retrieval, search, NLP, RAG, knowledge graphs, LLMs; strong product sense and leadership skills.
Python, PyTorch, Hugging Face, Azure ML, Azure AI Foundry, AWS SageMaker
2d
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Associate Principal Scientist, In Vivo Pharmacology, Oncology
Boston or South San Francisco or United States or Puerto Rico or Rahway or California or Los Angeles
$145k-$228k/yr OnsiteFull Time
5+ YOEPhD plus 5+ years, MS plus 7+ years, or BS plus 10+ years in a related STEM field and oncology drug discovery; requires in vivo oncology pharmacology, CRO study management, and supervisory experience.
Immunoassays, Immunohistochemistry (IHC), In Vivo Models, In Vivo Studies, Mass Spectrometry Imaging, Mouse Models, Multiplex Assays
1w
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Principal Scientist, Molecular Genomics
Princeton or Arizona or Puerto Rico or Los Angeles County
$139k-$168k/yr OnsiteFull Time
4+ YOELife Sciences degree with 4–8+ years of academic or industry experience, extensive PCR, qPCR, NGS, GEP, and molecular assay expertise, plus clinical genomics and biomarker development experience.
PCR, qPCR, NGS, SOPs
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Principal Data Scientist - Games
Glendale, California, United States
$156k-$209k/yr OnsiteFull Time
10+ YOE10+ years data science experience; advanced analytics, experimentation, forecasting, and behavioral segmentation for games/telemetry; strong SQL and Python/R skills; executive communication and cross-functional influence.
SQL, Python, R, Snowflake, Databricks, AWS, Tableau, Looker
1mo
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Principal Data Scientist, Pricing
Los Angeles, California, United States
RemoteFull Time
8+ YOE8+ years in data science with pricing/revenue optimization experience; production ML deployment experience; strong quantitative modeling; ability to communicate with product and executive stakeholders.
Python, SQL, AWS, GCP, Azure, Snowflake, Databricks, dbt
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Principal Data Scientist - Games
Glendale, California, United States
$156k-$209k/yr OnsiteFull Time
10+ YOEBachelor's in quantitative field,10+ years data science experience in gaming/entertainment,proficiency in SQL and Python or R,experience with cloud analytics and experimentation,strong communication and storytelling skills.
SQL, Python, R, Snowflake, Databricks, AWS, Tableau, Looker
2mo
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Principal Applied Scientist Perception, Compass
Pasadena, California, United States
$199k-$269k/yr OnsiteFull Time
6+ YOEPhD in a technical field, 6+ years in perception research (robotics preferred), strong publication record, experience deploying perception on robots, and proficiency in Python and C++.
Python, C++, LiDAR, depth cameras, radar, embedded GPUs
1w
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Principal Applied Scientist- Agentic RL , Kiro
Santa Clara or Seattle or New York City or Los Angeles County
$199k-$309k/yr OnsiteFull Time
10+ YOEPhD or master's degree with 10+ years in computer science, computer engineering, machine learning, or related fields; 5+ years large-scale training; publications or patents; C++ or Python programming.
C++, Python, Large Language Models (LLM), Kiro
2w
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Principal Research Scientist - Frontier Industrial AI
San Leandro or New York City or Massachusetts or Lake Forest or Philadelphia
$214k-$356k/yr HybridFull Time
PhD or equivalent research experience in a relevant field; original AI research, strong software development, experimental systems, independent project execution, and expertise in advanced machine learning areas.
Python