11 lead data scientist jobs at 10 companies in West Chester, PA
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Lead Data Scientist
Columbus or Chadds Ford or Frisco or Draper or New York City
$121k-$218k/yr HybridFull Time
8+ YOEBachelor’s in quantitative field,8+ years building advanced models (ML,segmentation,time series),EML/AI research experience preferred,experience in financial services and Conjoint Analysis,US work authorization required.
Data Manipulation, Machine Learning, Python (Programming Language), R Statistics, Statistical Analysis, Statistics, Time Series Analysis, Cloud Environment, Conjoint Analysis, Agentic AI
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Lead Data Scientist
Philadelphia or New York
$150k-$175k/yr OnsiteFull Time
6+ YOEMS or equivalent experience,6+ years data science/ML experience,experience with LLMs,RAG,fine-tuning,Python,TensorFlow,PyTorch,scikit-learn,PySpark,Scala,SQL,AWS/GCP,model deployment and governance.
Python, TensorFlow, PyTorch, scikit-learn, PySpark, Scala, SQL, AWS, GCP, LLM, Retrieval-Augmented Generation (RAG), GraphDB
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Lead Data Scientist, AdTech
Arlington or Baltimore or Buffalo or Jersey City or Manchester or New York or Philadelphia or Stamford
$175k-$200k/yr RemoteFull Time
5+ YOE5+ years applied data science in digital/performance marketing, hands-on ML in AWS, strong modeling fundamentals, expert Python and SQL, adtech and ROAS-focused experience.
Python, SQL, AWS, Looker, Google, Meta
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Lead Data Scientist II
Wilmington, Delaware, United States
$120k-$140k/yr HybridFull Time
3+ YOEMaster’s degree in a quantitative field required, Ph.D. preferred; 3+ years developing predictive models or advanced analytics; proficiency in Python and SQL; strong machine learning and statistical modeling skills.
Python, pandas, numpy, scikit-learn, SQL, ChatGPT, Claude, Gemini
6d
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Lead Software Engineer, Data Scientist
Oaks, Pennsylvania, United States
OnsiteFull Time
10+ YOEBachelor's degree or equivalent experience and 10+ years in AI, data science, machine learning, software engineering, or related disciplines. Requires enterprise Generative AI, Python, cloud, LLM, RAG, and AI governance expertise.
Azure AI, OpenAI, Anthropic, LangChain, Semantic Kernel, AutoGen, CrewAI, MCP, Azure, AWS, GCP, Python, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG)
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Data Scientist Lead-Vice President
Columbus or Plano or Wilmington
OnsiteFull Time
5+ YOEBachelor's degree in a quantitative field and 5+ years in advanced analytics. Requires SQL, Python or R, statistical analysis, product/customer analytics, AI tools, and Teradata, Oracle, AWS, or Snowflake experience.
SQL, Python, R, Teradata, Oracle, AWS, Snowflake
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Lead Fraud Strategy Data Scientist
Charlotte or Scottsdale or Malvern
HybridFull Time
5+ YOERequires 5+ years of related experience and an undergraduate degree or equivalent training and experience. Graduate degree preferred. Expertise in fraud analytics, statistics, risk mitigation, governance, and stakeholder communication.
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Lead Applied Scientist, Marketing
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 in performance/leadgen; hands-on ML in AWS; experience with bandits, recommender/ranking systems, LTV modeling; expert Python and SQL; performance-marketing domain knowledge.
Python, SQL, AWS, Looker, Google, Meta, LLMs
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Lead Research Scientist-Crop Protection
New Castle, Delaware, United States
OnsiteFull Time
Advanced degree (PhD or Master's) in chemistry, materials science or related; strong experience in agriculture innovation or crop protection; proven project leadership, data analysis, and mentoring skills.
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Senior Scientist, Statistical Programming
North Wales, Pennsylvania, United States
$117k-$184k/yr HybridFull Time
3+ YOE3+ years SAS clinical trial programming experience; experience with CDISC/ADaM and SDTM; bachelor's in related field with 5 yrs experience or master's with 3 yrs; ability to design analysis datasets, TLFs, and lead/coordinate programming teams.
SAS, SAS/MACRO, SAS/GRAPH, CDISC Analysis Data Model (ADaM), SDTM
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Director, Clinical Development Scientist (Non-MD)
Collegeville or La Jolla or Lake Forest or Cambridge or Groton or New York City
$177k-$294k/yr HybridFull Time
5+ YOELead clinical execution, provide clinical and safety guidance, support protocol design and data review, manage committees, and may supervise clinical colleagues; requires substantial clinical research experience in biopharma.