19 applied data scientist jobs at 15 companies in Tujunga, 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
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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
1d
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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
5d
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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
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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
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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
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
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Senior Data Scientist - Detection & Modeling
Santa Monica, California, United States
$190k-$290k/yr OnsiteFull Time
Experience in feature engineering and applied ML on transactional/time-series data, anomaly detection (unsupervised), strong statistics, production ML, and domain familiarity in fraud/risk or market surveillance.
isolation forests, density-based methods, autoencoders, FIX
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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
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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
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Senior Data Scientist - Graphs / Entity Resolution
Santa Monica, California, United States
$190k-$290k/yr OnsiteFull Time
Deep applied graph ML and production ML experience, entity resolution and clustering at scale, detecting coordinated/collusive behavior, and domain exposure in financial crime or trading preferred.
GNNs, Chainalysis, FIX, Ethereum Virtual Machine (EVM)
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Jr. Data Scientist, Business Analytics & Research
Universal City, California, United States
$70k-$85k/yr HybridFull Time
2+ YOEBachelor's in a quantitative field,2+ years applying quantitative analysis,proficiency in SQL and Python or R,statistical modeling knowledge,experience with Tableau or Power BI,Microsoft Excel and PowerPoint.
SQL, Python, R, Tableau, Power BI, Microsoft Excel, Microsoft PowerPoint
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
1d
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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
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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
4w
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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
1w
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Process Development Senior Scientist – Drug Product Technologies
Thousand Oaks, California, United States
$126k-$171k/yr OnsiteFull Time
Expertise in biologics drug product formulation, stability, process development and analytical characterization; experience with ADCs or oligonucleotides preferred; applies AI/ML and data-driven tools; authors technical and regulatory documents.
AI/ML, LLMs, UPLC, HPLC, SEC, IEX, RP-HPLC, HIC, CE-SDS, LC-MS
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