16 applied data scientist jobs at 13 companies in Ladera Ranch, CA
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Staff Applied Scientist, AdTech
Los Angeles or Portland or San Diego or Seattle
$175k-$200k/yr RemoteFull Time
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
2w
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Lead Applied Scientist, Marketing
Los Angeles or Portland or San Diego or Seattle
$175k-$200k/yr RemoteFull Time
5+ YOE5+ years applied data science experience in performance/leadgen or digital marketing; strong modeling fundamentals; hands-on ML in AWS; expertise in multi-armed bandits, recommendation/ranking, LTV modeling; expert Python and SQL.
AWS, Python, SQL, Looker, Google, Meta
4d
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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
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
1w
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Staff Data Scientist
Santa Monica or Brooklyn or San Francisco or Los Angeles or New York City
$200k-$230k/yr HybridFull Time
Strong applied data science and optimization experience; production modeling, experimentation, Python, AI-native workflows, and ability to partner with engineers to productionize decisioning systems.
Python
2w
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Staff Data Scientist, Marketing
Los Angeles or Portland or San Diego or Seattle
$175k-$200k/yr RemoteFull Time
5+ YOE5+ years applied data science in digital/performance marketing, strong modeling fundamentals, AWS ML deployment experience, multi-armed bandit/recommendation/LTV modeling, expert Python and SQL.
AWS, Python, SQL, Looker, Google, Meta
2w
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Lead Data Scientist, AdTech
Los Angeles or Portland or San Diego or Seattle
$175k-$200k/yr RemoteFull Time
5+ YOE5+ years applied data science in digital/performance marketing; strong modeling fundamentals; hands-on ML deployment in AWS; expert Python and SQL; experience with bandits, ranking, LTV and ROAS-focused models.
Python, SQL, AWS, Looker, LLMs
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Data Scientist: Mission Engineering
El Segundo or Los Angeles
$140k-$220k/yr OnsiteFull Time
7+ YOEBachelor's degree (or equivalent) in a quantitative field, 7+ years applying advanced statistical and data-science methods, Python expertise with scientific/ML libraries, experimental design, uncertainty quantification, scalable pipelines, and eligibility for Top Secret/SCI clearance.
Python, Pandas, Polars, NumPy, SciPy, Scikit-Learn, Statsmodels, PyMC, Matplotlib, Seaborn, CuPy, PyTorch, MATLAB, R, Linux, AFSIM, ESAMS, Brawler, Ansys STK, HPC
1mo
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Scientist - Applied Laser Physics
Foothill Ranch, California, United States
$115k-$155k/yr OnsiteFull Time
PhD in Physics/Applied Physics/Optical Engineering required; established experience with optical diagnostics and laser systems in plasma or accelerator environments; expertise in interferometry and Thomson scattering; strong mentoring and data-interpretation skills.
2mo
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Applied Scientist II, Search Ranking
Seattle or Irvine or Palo Alto
$143k-$222k/yr OnsiteFull Time
4+ YOEPhD or Master's +4 years in CS/CE/ML or related field; programming experience in Java, C++, or Python; strong background in algorithms, optimization, data mining, distributed computing; experience with ML/deep learning and scientific publication.
Java, C++, Python, Unix, Linux, MXNet, TensorFlow, Caffe, PyTorch
1mo
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Senior Principal Data Scientist, AEC
California or Washington or New York or British Columbia or Ontario or Irvine
$159k-$286k/yr RemoteFull Time
10+ YOE10+ years in data science/applied ML focused on product analytics and user behavior modeling; expertise in predictive modeling, instrumentation, AI evaluation, and experimentation; strong communication and technical leadership.
LLMs, MCP, RAG architectures, LLM-as-a-Judge, A/B testing
1mo
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Lead Data Scientist (Agentic Solutions)
Irvine or El Segundo
$171k-$214k/yr OnsiteFull Time
5+ YOE5+ years in ML or applied data science; expertise with agentic frameworks, SLMs, LoRA/QLoRA, token-efficient architectures; expert Python and strong SQL; Bachelor's required (Master/PhD preferred).
LangChain, LlamaIndex, Haystack, Phi, Mistral, Gemma, LoRA, QLoRA, Python, SQL, Databricks, Spark, Delta Lake, Snowplow
2mo
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Sr. Data Scientist (Irvine, CA, US)
Irvine, California, United States
$114k-$220k/yr OnsiteFull Time
8+ YOEBS + 8 years in ML/CS/EE/applied math (PhD preferred); strong ML/DL (CNNs, transformers, time-series, probabilistic methods); Python and PyTorch/TensorFlow/Scikit-learn; statistics, optimization, model evaluation; cross-team collaboration.
Python, PyTorch, TensorFlow, Scikit-learn, Airflow, MLflow
1w
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Senior Data Scientist, Forecasting and Analytics
Dallas or New York City or San Jose or Newport Beach
$107k-$176k/yr HybridFull Time
7+ YOE7+ years applying data science, forecasting, and ML; strong Python and SQL skills; time-series and forecasting expertise; ability to translate analysis into business recommendations; experience with cloud data platforms preferred.
Python, SQL, Databricks, Snowflake, BigQuery
3d
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Applied Artificial Intelligence Scientist III
Los Angeles, California, United States
$135k-$216k/yr OnsiteFull Time
6+ YOEMaster's degree or equivalent experience and 6+ years developing and deploying AI/ML solutions. Requires Python, machine learning, MLOps, healthcare data, production integration, Git, communication, and mentorship skills.
Python, Pandas, Scikit-learn, PySpark, Spark, Git, Snowflake, Azure ML, Databricks, LangChain, OpenAI APIs, Azure OpenAI, R, SQL, Snowpark, Shiny, Streamlit
1mo
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Senior Data Scientist, Model Risk & Data Analytics, Internal Audit - AMS
Los Angeles, California, United States
$130k-$278k/yr OnsiteFull Time
5+ YOE5+ years applied data science/ML experience with LLMs and traditional models, bachelor's in quantitative field, strong SQL and Python skills, experience auditing models and building data pipelines.
SQL, Python, Hugging Face Transformers, TensorFlow, PyTorch, scikit-learn, AWS, GCP, Azure, Snowflake, Hadoop, Flink, MapReduce, LLMAuditor
1mo
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Senior Marketing Scientist, Level 4
Los Angeles or San Francisco or New York or Santa Monica
$133k-$235k/yr OnsiteFull Time
5+ YOE5+ years advanced analytics and measurement experience, strong applied statistics and causal inference skills, proficiency with SQL/R/SAS, excellent communication, and ability to develop measurement strategy for ads.
SQL, R, SAS
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