34 applied data scientist jobs at 24 companies in Ayer, MA
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Staff Applied Scientist, AdTech
Arlington or Baltimore or Buffalo or Jersey City or Manchester or New York City or Philadelphia or Stamford
$175k-$200k/yr RemoteFull Time
5+ YOE5+ years applied data science experience building and deploying ML solutions in AWS for adtech or performance marketing; expert Python and SQL; strong modeling and business-first orientation.
Python, SQL, AWS, Looker, Google, Meta
3w
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Senior Research Data Scientist
Boston or New York
$330k-$375k/yr HybridFull Time
10+ YOEPhD-preferred research data scientist with 10+ years applying causal inference and ML to large observational datasets; expertise in observational causal methods, communication skills, and productionizing pipelines.
Spark, Ray, SQL, Python, scikit-learn, XGBoost, LightGBM
1d
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Staff Data Scientist
Westwood, Massachusetts, United States
$170k-$220k/yr HybridFull Time
7+ YOERequires 7+ years of staff-level product data science experience, product analytics and experimentation expertise, infrastructure-building experience, and a graduate degree or equivalent applied experience in a quantitative field.
AI
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Data Scientist, Consultant (Utilities)
Boulder or New York City or Arlington or Austin or Chicago or Philadelphia or Atlanta or Boston
$89k-$148k/yr OnsiteFull Time
1+ YOEBachelor's degree and 1+ years applying data analytics; experience with Python, R, SQL, Databricks, Snowflake, Power BI, Tableau, or GIS; utility sector experience preferred.
Python, R, Snowflake, SQL, Databricks, Power BI, GIS, Tableau
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Principal Scientist, Data Science
Titusville or Cambridge or Raritan or Spring House
$117k-$201k/yr HybridFull Time
5+ YOEPhD in a quantitative discipline,5+ years applying ML/NLP/GenAI and optimization to real-world data (EHR/claims/registries),experience with multimodal RWD,stochastic simulation,optimization engines,Python and SQL proficiency,MLOps and data privacy familiarity.
MLflow, Kedro, Git, CI/CD, Python, SQL, DSPy, LangChain, pymoo, scikit learn, XGBoost, Optuna, PyMC
3mo
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Staff Data Scientist
North Bethesda or Waltham
$163k-$190k/yr HybridFull Time
8+ YOE8+ years in data science/ML with a BA; 5-6+ years with a Master’s; PhD with 3-4+ years of applied experience; expert Python/SQL; experience with 3D geometry and AI in manufacturing.
Python, SQL, Geometric Deep Learning, 3D Computer Vision
2w
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GCS, Data Scientist, AVP
Quincy, Massachusetts, United States
$90k-$158k/yr OnsiteFull Time
5+ YOE5+ years data science experience with 2+ years applying analytics to cybersecurity or similar enterprise datasets; Bachelor's in relevant field; hands-on Python, SQL, PySpark, Databricks, Power BI, AWS; strong communication and ML/graph/NLP experience.
Python, SQL, PySpark, Databricks, Power BI, AWS, SIEM, SOAR
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Principal Scientist, Data Science
Titusville or Cambridge or Raritan or Spring House
$117k-$201k/yr HybridFull Time
5+ YOEPhD in quantitative discipline,5+ years applying ML/NLP/GenAI and optimization to real-world data (EHR, claims, registries),hands-on Python/SQL and MLOps experience,knowledge of healthcare privacy and RWD quality practices.
MLflow, Kedro, Git, CI/CD, Python, SQL, DSPy, LangChain, pymoo, scikit learn, XGBoost, Optuna, PyMC
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Principal Data Scientist (AI-assisted Clinical Development)
Boston, Massachusetts, United States
$169k-$314k/yr OnsiteFull Time
6+ YOEAdvanced degree in data/CS/statistics,6+ years applying statistical and ML methods in clinical/biomedical domains,experience with model development, simulation studies, deployment, and responsible AI practices.
Python, R, scikit-learn, TensorFlow, PyTorch, Stan, PyMC, brms, ML Ops
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Data Scientist, AI for Biomedical Imaging
Cambridge, Massachusetts, United States
$126k-$257k/yr OnsiteFull Time
3+ YOEPhD in a quantitative field with 3+ years applied AI for bioimaging; experience developing and validating image analysis algorithms, benchmarking methods, HPC/cloud workflows, and strong scientific communication.
Python, PyTorch, Hugging Face, Lightning, MONAI, scikit-image, OpenCV, napari, Cellpose, StarDist, InstanSeg, OME-Zarr, Linux, DINO, CLIP, SAM, Claude Code, Copilot
2w
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ML Data Scientist III ( Seattle/Provo)
Provo or Seattle or Chicago or Boston or South Bend
$100k-$140k/yr HybridFull Time
5+ YOEMaster's in CS/AI or related,5+ years in applied research or software engineering,proven conversational AI and generative AI experience,knowledge of ML/NLP and collaboration skills.
LangChain, LangGraph, MCP, ADK, A2A, Apache Spark, Databricks, Docker, Kubernetes, Azure, AWS, GCP
2mo
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Senior Data Scientist/AI Analyst
Chicago or Norwalk or West Hartford or Washington or Boston or New York City or Atlanta or Hamilton or United States
$135k-$170k/yr RemoteFull Time
5+ YOEBachelor's in a relevant field required; 5+ years in data science or applied AI. Hands-on experience with LLMs, statistics, classical ML, Python/R, SQL, and building/operationalizing AI/ML solutions; experience with Streamlit/R Shiny/PowerBI or similar.
Python, R, SQL, git, Streamlit, R Shiny, PowerBI
4d
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Morgan Health - Data Science & Research - Senior Associate
Washington or New York City or Boston or United States
$109k-$165k/yr OnsiteFull Time
4+ YOEBachelor's or master's degree in a quantitative field, 4+ years of hands-on analytics experience, SQL and Python, applied statistics, data visualization, communication, and collaboration skills.
SQL, Python, R, ggplot, seaborn, Tableau
1w
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Applied Hypersonics Research Principal Scientist/Engineer
Andover, Massachusetts, United States
$118k-$140k/yr OnsiteFull Time
Advanced degree or equivalent experience in chemistry, physics, or applied engineering; extensive experimental and data analysis experience; technical leadership; peer-reviewed publications; excellent written and oral English; U.S. citizenship.
Schlieren, Pitot, PLIF, IR, UV, laser absorption, emission spectroscopy, vacuum systems, plasma technologies
2mo
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Data Science Manager, PXT Central Science
Arlington or Boston or Bellevue or Seattle or San Francisco
OnsiteFull Time
5+ YOE2+ Mgmt5+ years building quantitative solutions; 2+ years managing scientists or ML engineers; 5+ years applying statistical models at scale; Master’s in a quantitative field; Python or R proficiency.
Python, R
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Research Scientist III
Bellevue or Boston
$149k-$225k/yr OnsiteFull Time
4+ YOEAdvanced degree or equivalent experience in data science/OR/applied math; 4+ years industry experience (2+ in supply chain preferred); proficiency in Python, optimization solvers, cloud deployment, and collaborative tools.
Python, Gurobi, Xpress, CPLEX, Git, Confluence, AWS, Azure, Google Cloud
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Applications Scientist 3
Hillsboro or Wilmington or Texas or United States
$97k-$145k/yr OnsiteFull Time
0+ YOEDegree in physics, materials science, EE, applied math or related; 0-3 years experience; optics and metrology knowledge; scripting (Matlab/Python) and data analysis a plus; able to travel up to 20% and work in fabs up to 40%.
Matlab, Python
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Associate Scientist/Sr. Associate Scientist/Scientist, Islet Process Sciences
Watertown, Massachusetts, United States
$115k-$150k/yr OnsiteFull Time
2+ YOEHands-on experience with human pluripotent stem cell culture and suspension bioreactors; ability to design and run differentiation experiments, analyze RT-qPCR/flow/ELISA data, apply DOE, and maintain high-quality documentation.
PBS Vertical Wheel bioreactors, RT-qPCR, Flow cytometry, ELISA, JMP, MODDE, GraphPad Prism, FlowJo, ImageJ/Fiji
2w
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Director, Oncology Data Science
Boston, Massachusetts, United States
$194k-$306k/yr HybridFull Time
6+ YOEMaster's (10+ years) or PhD (6+ years) in quantitative discipline, extensive experience applying computational and statistical learning methods to multimodal oncologic datasets, strong coding and communication skills.
2mo
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Machine Learning Scientist, Applied Machine Learning and Agentic AI, Pharma R&D
New York City or Boston or Redwood City or Chicago
$100k-$160k/yr OnsiteFull Time
3+ YOEPhD required (or Masters with 3+ years), strong AI/ML, agentic AI, oncology data, Python, LangGraph preferred, multimodal data, cloud deployment, excellent communication.
Python, LangGraph, Retrieval-Augmented Generation, LLM
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