9 principal scientist jobs at 8 companies in Lancaster, CA
1mo
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
Principal Data Scientist
Palmdale, California, United States
$125k-$188k/yr OnsiteFull Time
5+ YOEActive DoD Secret clearance, 5+ years' relevant experience (with bachelor's), expertise in SQL, ETL, Python, Airflow, BI (Tableau/PowerBI), Gitlab, and Agile workflows.
SQL, Tableau, PowerBI, Python, Airflow, Gitlab, Tableau Server, Apache Airflow
23h
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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
5d
Save
Mark Applied
Hide
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
5h
Save
Mark Applied
Hide
Project Scientist -Surgery Chair
Los Angeles, California, United States
$67k-$133k/yr OnsiteFull Time
Doctorate required, with postdoctoral completion where applicable. Requires significant original research contributions and technical competency in research techniques, protocols, and the principal investigator's specialty.