434 data science jobs at 169 companies in West Chester, PA
2d
Save
Mark Applied
Hide
2d
Manager, Data Science
Malvern or Charlotte or Dallas or Fort Worth or Philadelphia
HybridFull Time
Vanguard: Provides mutual funds, ETFs, and investment management services.
5+ YOERequires 5+ years in data science, NLP, generative and agentic solutions, transformer architectures, large-scale data preparation, statistical and machine learning methods, and an undergraduate degree or equivalent experience.
Natural Language Processing (NLP), Generative AI, Transformer Architectures, Machine Learning
Jersey City or Mountain View or Fairfield or Cheshire or Jacksonville or Tallahassee or Tampa or Chicago or Marlton or Cincinnati or Houston or Sheboygan
OnsiteFull Time
SageSure: Provides property insurance for catastrophe-exposed residential and commercial properties.
3+ MgmtBachelor's or master's in a quantitative field, 3+ years managing data science or analytics teams, expertise in Python, SQL, Pandas, NumPy, TensorFlow, and AWS or comparable cloud architecture.
Philadelphia or Connecticut or Virginia or Maryland or Massachusetts or Delaware or New Jersey or New York
$115k-$192k/yrOnsiteFull Time
RELXLondon Stock Exchange: REL: Provides information-based analytics and decision tools for professional customers.
Significant experience leading data science/AI teams; technical expertise in ML, generative AI, LLMs, retrieval systems, evaluation frameworks, and delivering AI products to production; strong stakeholder and people leadership skills.
Philadelphia or New York City or Rochester or Connecticut or Virginia or Maryland or Massachusetts or Delaware or New Jersey or New York
$115k-$192k/yrOnsiteFull Time
ElsevierLondon Stock Exchange: REL: Provides scientific, technical, and medical research information and analytics.
Significant experience leading data science/ML teams; expertise in LLMs, generative AI, retrieval systems, semantic search, embeddings, and knowledge systems; experience delivering AI products, measuring model quality, and influencing stakeholders.
Cambridge or Barcelona or Titusville or Spring House or Madrid
$117k-$201k/yrHybridFull Time
Johnson & JohnsonNYSE: JNJ: Provides pharmaceutical products and medical technology healthcare solutions.
5+ YOEPhD in quantitative field,5+ years industry data science experience using ML, multi-objective optimization, GenAI, LLMs, MLOps; proficient in Python and SQL; experience with clinical and real-world data.
CardWorks: Offers consumer lending, credit card servicing, and merchant solutions.
5+ YOEBachelor's in quantitative field required; 5+ years in analytics/data science in financial services; strong ML, AI, competitive intelligence, and stakeholder communication skills.
SQL, Python, Snowflake, AWS, Power BI, PowerPoint, SAS, R, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), Generative AI
E4H: Architecture firm specializing in healthcare and health science facilities.
3+ YOEBachelor's degree preferred and 3+ years in data engineering, integration, science, or warehousing; advanced cloud data platform, ETL/ELT, programming, SQL, database, architecture, and offshore team leadership experience.
Snowflake, Databricks, Amazon Redshift, Microsoft Azure Synapse Analytics, Informatica, Boomi, Talend, Amazon Glue, Microsoft Fabric, SSIS, Python, R, Julia, Scala, SAS, SQL, Oracle, Microsoft SQL Server, MariaDB, MySQL, PostgreSQL
Jersey City or Philadelphia or Simsbury or New York or Whitehouse Station
$163k-$237k/yrOnsiteFull Time
ChubbNYSE: CB: Provides property, casualty, and life insurance and reinsurance services globally.
Experience leading business engagements; advanced degree in data science or related; deep insurance modeling; leadership of analytics teams; expert ML and pricing knowledge.
Forbes Advisor: Providing expert financial advice and independent product comparisons.
Experience leading commercial/marketing data science teams, strong expertise in predictive analytics, ML, SQL and Python, productionising models in cloud environments, and stakeholder management.
Titusville or Cambridge or Raritan or Spring House
$117k-$201k/yrHybridFull Time
Johnson & JohnsonNYSE: JNJ: Develops and manufactures pharmaceutical drugs and medical devices.
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.
Merck & Co.NYSE: MRK: Produces prescription medicines, vaccines, and animal health products.
0+ YOEPh.D. or M.S. in related field required; 0+ years post-PhD or 3+ years post-MS experience deploying AI/ML models; hands-on LLM and agentic AI experience; multimodal data modeling; Python and modern ML framework proficiency.
Python, PyTorch, TensorFlow, AWS, HPC, Large Language Models (LLMs), MLOps
Data Science Senior Associate- Card Data & Analytics team
Wilmington, Delaware, United States
OnsiteFull Time
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
3+ YOEBachelor's in a quantitative field and 3+ years (or advanced degree and 2+ years) of data analytics experience; strong analytical, communication, and programming skills; experience with Python/R/SQL and modern analytics tools; familiarity with GenAI concepts.
New York or Milwaukee or Dallas or Columbus or Cincinnati or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Pittsburgh or Hartford or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Scottsdale or Morristown or San Francisco or Boston or Denver or Philadelphia or Des Moines or Overland Park or Walnut Creek or Charlotte or Seattle or Carmel or Houston or Arlington or Atlanta or Bentonville or Nashville or San Diego
$66k-$206k/yrOnsiteFull Time
AccentureNYSE: ACN: Global provider of management consulting and technology services.
3+ YOE3+ years in data science/ML/AI, utilities experience preferred, bachelor’s or equivalent, experience building decision models and stakeholder communication.
Python, R, SQL, TensorFlow, PyTorch, scikit-learn, Open AI, Anthropic, AWS, Azure, Google Cloud, Hadoop, Spark, Tableau, Power BI
Madrigal PharmaceuticalsNASDAQ: MDGL: Develops and commercializes therapeutics for metabolic dysfunction-associated steatohepatitis.
7+ YOEPhD or strong engineering research background,7+ years applied ML/data science with 3+ years shipping ML/AI to production,1+ year agentic AI,RAG/retrieval engineering,real-world data/PHI experience,strong communication and collaboration skills.
College to Corporate IT Internship - Data Science (PA)
Malvern, Pennsylvania, United States
HybridFull Time, Internship
Vanguard: Global investment management and financial services provider.
Undergraduate degree and graduate studies in analytics, applied mathematics, economics, statistics, or related field; experience with statistical and machine learning methods, data visualization, coding, communication, collaboration, and independent work.
Pennsylvania Compensation Rating Bureau: Collects and analyzes workers' compensation data for insurance rating.
3+ YOE3+ years related experience; proficiency in Python, R, SQL, Snowflake, and advanced Excel; strong analytical, written and verbal communication; BS in math/statistics/economics/CS preferred.
Python, R, SQL, Snowflake, Microsoft Excel, Pyramid, Power BI, Tableau
Albany or Arlington or Atlanta or Austin or Bentonville or Boston or Carmel or Charlotte or Chicago or Cincinnati or Cleveland or Columbus or Denver or Des Moines or Hartford or Houston or Irving or Miami or Milwaukee or Minneapolis or Morristown or Nashville or New York City or Oklahoma City or Overland Park or Philadelphia or Pittsburgh or Raleigh or Sacramento or San Diego or San Francisco or Scottsdale or Seattle or St. Louis or St. Petersburg or Walnut Creek or United States
$80k-$294k/yrOnsiteFull Time
AccentureNYSE: ACN: Global professional services firm providing consulting and technology solutions.
6+ YOERequires 6+ years in data science, machine learning, AI, or advanced analytics; 6+ years building decision frameworks; 1+ year serving utilities; programming and leadership skills; bachelor's degree or equivalent.
Python, R, SQL, TensorFlow, PyTorch, scikit-learn, OpenAI, Anthropic, AWS, Azure, Google Cloud, Hadoop, Spark, Tableau, Microsoft Power BI
Summer 2027 – Data Science and Machine Learning Intern - Philadelphia, PA
Philadelphia, Pennsylvania, United States
OnsiteInternship
Lutron Electronics: A worldwide leader in lighting control and shading solutions that provides technology-driven products and services.
Pursuing a Bachelor's or Master's in Computer Science, Data Science, Data Analytics, or Statistics; GPA ≥3.2; rising junior/senior or master's student; U.S. work authorization required; willing to work onsite 5 days/week.
Merck & Co.NYSE: MRK: Develops and manufactures prescription medicines, vaccines, and animal health products.
3+ YOEBachelor's degree in a relevant commercial, scientific, or quantitative field and 3+ years of pharma analytics experience. Requires data mining, SQL, analytics, communication, and commercial pharma knowledge.
SQL, Databricks, Dataiku, Electronic Medical Records (EMR), PowerPoint, Generative AI, LLMs, machine learning, artificial intelligence, automated pipelines, Business Intelligence (BI)