3d
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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
2d
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Senior Applied Scientist , Amazon Ads
Boston or Sunnyvale or New York City or Bellevue or Seattle or Arlington or New York or Santa Monica or Washington or Palo Alto
$167k-$260k/yr OnsiteFull Time
5+ YOEPhD or Master's+experience in applied ML, 5+ years building ML models, strong programming in Python/Java/C++, deep learning experience, large-scale systems experience.
Python, Java, C++, scikit-learn, TensorFlow, PyTorch, Spark MLLib, MxNet, numpy, scipy, Hadoop, Spark
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.
2w
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Applied Research Scientist - Trust and Safety
Los Angeles or Singapore or New York City or London or Dublin or Paris or Berlin or Dubai or Jakarta or Seoul or Tokyo
$219k-$408k/yr OnsiteFull Time
5+ YOE5+ years applied research experience with strong quantitative and qualitative methods, experimentation, causal inference, and ability to translate findings into policy and product recommendations.
2mo
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Applied Artificial Intelligence Scientist III (Los Angeles, CA, US, 90017)
Los Angeles, California, United States
$135k-$216k/yr OnsiteFull Time
6+ YOE6+ years in ML/AI in healthcare/enterprise; full AI lifecycle; Python, ML frameworks; production deployment; mentorship; cross-functional collaboration.
Python, Pandas, Scikit-learn, PySpark, Spark, Snowflake, Azure ML, Databricks, LangChain, OpenAI APIs, Azure OpenAI, Git
2d
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Research Scientist
Pomona, California, United States
$120k-$147k/yr OnsiteFull Time
5+ YOEDesign and execute experiments, lead feasibility and NPD activities, apply good laboratory practices, document risk and design control, and support product launches in dental chemical consumables.
Microsoft Word, Microsoft Excel
2w
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Data Scientist, Principal
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
$182k-$273k/yr HybridFull Time
8+ YOEAdvanced experience in applied AI/ML and software development, strong Python engineering, hands-on with deep learning and LLM frameworks, experience building production AI applications and leading ML design.
Python, PyTorch, TensorFlow, LangChain, LangGraph, SQL, Spark, Azure, Google Cloud, AWS
1mo
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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
4d
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AI Research Scientist, Learning & Evaluation
Beverly Hills, California, United States
$180k-$280k/yr OnsiteFull Time
5+ YOEPhD or equivalent with 5+ years applying quantitative methods to products, experience evaluating LLMs, experimental design, causal inference, strong communication and analytics skills.
Python, Pandas, NumPy, SciPy, Jupyter, SQL, MongoDB, PostgreSQL, GCP
1d
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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
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
3w
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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
3w
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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
1mo
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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
3d
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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
1mo
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Project Scientists - Open Ranks 2026-27
Irvine, California, United States
$79k-$209k/yr OnsiteFull Time
Ph.D. in chemistry or a related field required; expertise in one of inorganic, organic/chemical biology, physical/analytical, polymer/materials/nanoscience, or theoretical chemistry; apply with CV, cover letter, and references.
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