28 lead data scientist jobs at 20 companies in Chicago, IL

PromotedHiringCafe
Founding Machine Learning / AI Search Engineer
Cupertino, CA, US
$160k-$310k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Build the ML and AI search behind HiringCafe — ranking, recommenders, retrieval, and LLM agents that surface jobs people would never find on their own.
Python, PyTorch, Elasticsearch, LLMs
3mo
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Lead Data Scientist
Chicago, Illinois, United States
$90k-$150k/yr HybridFull Time
TransUnion
TransUnionNYSE: TRU: Provides global credit reporting and risk management information solutions.
4+ YOEMaster’s or PhD in a quantitative field; 4+ years analytics in financial services; 3+ years client-facing success; advanced programming and data skills; strong communication and project management.
R, SAS, SQL, Hive, Pig, Python, C/C++, Java, Hadoop, Linux, Microsoft Office
1mo
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Lead Insurance Data Scientist
San Ramon or Atlanta or Chicago or Dallas or New York or Summit
$100k-$150k/yr HybridFull Time
EPIC Insurance Brokers & Consultants
EPIC Insurance Brokers & Consultants: Provides insurance brokerage and risk management consulting services.
3+ YOEBachelor's degree (or equivalent), 3+ years data analyst/scientist experience in an insurance brokerage, proficiency with Python, SQL, Microsoft Excel, Tableau, Power BI, Databricks, strong communication and analytical skills.
Python, SQL, Microsoft Excel, Tableau, Power BI, Databricks, Azure Databricks
1mo
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Lead Data Scientist
Irving or Cape Girardeau or Chicago or Centennial
$118k-$206k/yr OnsiteFull Time
Vizient
Vizient: Healthcare performance improvement and group purchasing organization.
7+ YOE7+ years experience in data science with expertise in machine learning, generative and agentic AI, LLMs, RAG, statistical modeling, production deployment, cloud platforms, and mentoring technical teams.
Python, R, SQL, SAS, Databricks, large language models (LLMs), retrieval-augmented generation (RAG), vector databases, knowledge graphs
3w
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Lead Data Scientist
Chicago, Illinois, United States
$140k-$150k/yr OnsiteFull Time
JLL
JLLNYSE: JLL: Global commercial real estate and investment management services.
5+ YOE3+ Mgmt5+ years building ML/AI solutions with 3+ years in a lead role; expertise in financial forecasting, time-series modeling, cloud deployment, MLOps, and stakeholder collaboration. Masters degree required and must be authorized to work in the US.
XGBoost, LightGBM, transformer-based models, Prophet, TFT, Retrieval-Augmented Generation (RAG), LLM, MLOps, CI/CD, AWS, Azure, GCP
3w
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Lead Data Scientist
Morton or Chicago or Manchester or Prescott or Stuart or Malden or Plainville or Newburyport or Whitesboro or Thomasville or Cleveland or United States
$144k-$198k/yr RemoteFull Time
Pursuit Aerospace
Pursuit Aerospace: Manufactures complex engine components for the global aerospace industry.
2+ YOEBachelor's degree, 2+ years data science experience, 2+ years with SQL, Python, ML modeling and time-series analytics, eligible to work in US without sponsorship, able to comply with ITAR/EAR regs.
SQL, Python, Snowflake, Claude, GitHub, Microsoft Azure
1mo
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Senior Data Scientist
United States or Chicago
$125k-$145k/yr HybridFull Time
AArete
AArete: Strategic profitability and digital transformation consulting services.
6+ YOE6+ years experience, bachelor’s in a quantitative field required (advanced degree preferred). Strong Python and SQL skills, experience with AI/ML, generative and agentic AI, BI tools, and ability to lead projects and mentor junior data scientists.
Python, SQL, Tableau, Microsoft Power BI, Claude Code, GitHub Copilot, Amazon SageMaker, Amazon Bedrock, AWS Lambda, AWS Glue, Amazon S3, Amazon Redshift, Snowflake
2w
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Lead Data Scientist
Chicago, Illinois, United States
$150k-$210k/yr OnsiteFull Time
Capgemini
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
Deep GenAI/LLM and Agentic AI experience, hands-on Vertex AI and Google Cloud tooling, system design and microservices knowledge, customer experience/contact center background, leadership and mentoring experience.
LangChain, LlamaIndex, Semantic Kernel, CrewAI, AutoGen, Vertex AI Agent Builder, Gemini, PaLM, Vertex AI, Dialogflow CX, Agent Builder, BigQuery, Pub/Sub, Cloud Run, GKE, Cloud Functions
3w
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Lead Data Scientist, AdTech
Chicago or Columbus or Detroit or Kansas City or Madison or Saint Louis
$175k-$200k/yr RemoteFull Time
Launch Potato
Launch Potato: Digital media operating a portfolio of consumer brands.
5+ YOE5+ years applied data science experience; hands-on ML in AWS; experience in digital/performance marketing or leadgen; building adtech algorithms; strong modeling fundamentals; expertise in Python and SQL.
AWS, Python, SQL, Looker, Google, Meta
3mo
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Staff Data Scientist
Chicago, Illinois, United States
$161k-$239k/yr HybridFull Time
PayPal
PayPalNASDAQ: PYPL: Global digital payments platform for consumers and merchants.
5+ YOE5+ years relevant experience and a Bachelor's degree (or equivalent); experience in financial services/fraud preferred; lead data science projects, develop models, ensure data quality, and mentor junior staff.
2w
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Lead Data Scientist (Remote)
Chicago, Illinois, United States
$160k-$170k/yr RemoteFull Time
Hyatt
HyattNYSE: H: Global hospitality providing luxury hotel and resort accommodations.
6+ YOEMaster's in CS/SE or related (Ph.D. preferred); 6+ years ML experience with LLM/NLP and production deployments; 3+ years people management experience; expertise in AWS, Python, SQL/PySpark, containerization; responsible AI and MLOps skills.
AWS SageMaker, AWS ECS, AWS EKS, AWS Step Functions, AWS Lambda, AWS Glue, Python, SQL, PySpark, Docker
2w
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Lead Data Scientist (Remote)
Chicago, Illinois, United States
$160k-$170k/yr RemoteFull Time
Hyatt
HyattNYSE: H: Global operator of luxury hotels and luxury resorts.
6+ YOEMaster's degree in CS or related field, 6+ years ML experience (3+ years people-management experience), experience deploying LLM/Generative AI, AWS and MLOps proficiency, strong Python/SQL/PySpark skills, and excellent communication.
AWS SageMaker, AWS ECS, AWS EKS, AWS Step Functions, AWS Lambda, AWS Glue, Python, SQL, PySpark, Docker
1w
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Lead Data Scientist (P3764)
Cincinnati or Chicago
$125k-$207k/yr OnsiteFull Time
84.51°
84.51°NYSE: KR: Provides retail data analytics and targeted advertising services.
6+ YOE6+ years applied ML experience with search/recommendation systems, proficiency in Python and SQL, experience with Spark and cloud platforms, strong statistics and experimentation skills, and experience deploying ML at scale.
Python, SQL, Spark, GCP, Azure, LLM, RAG
1w
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Data Scientist Lead [Multiple Positions Available]
Chicago, Illinois, United States
$136k-$200k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
5+ YOEMaster's in quantitative field plus 5+ years experience; expertise in credit-risk modeling, time-series/statistical modeling, SQL and analytics tools; experience delivering analytics to executives and building data workflows.
SAS, R, Python, PowerPoint, Tableau, Qlik, Alteryx, SQL, Oracle, Teradata, AWS Redshift, Jira, Confluence, Generative AI
1mo
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Principal Data Scientist, Digital Innovation
Bridgewater or Westchester
$124k-$165k/yr HybridFull Time
Ingredion
IngredionNYSE: INGR: Produces plant-based ingredients like starches, sweeteners, and proteins.
Proven experience leading data science initiatives, technical vision in Google ecosystem, expertise with SQL and Python, ML and statistical methods, and strong stakeholder and mentoring skills.
Google Cloud, SQL, Python
1w
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Supply Chain Advanced Analytics Data Scientist
Neenah or Atlanta or Pune or Sao Paulo or Chicago or Knoxville
$106k-$131k/yr OnsiteFull Time
Kimberly-Clark
Kimberly-ClarkNASDAQ: KMB: Manufactures personal care and household paper-based products.
5+ YOEBachelor's degree and 5+ years analytics/data science experience, strong skills in supply chain analytics, visualization, SQL/Snowflake, Power BI/Celonis, and ability to lead cross-functional initiatives.
Power BI, Celonis, SQL, Snowflake, HANA VDMs, Microsoft Excel, SAP/S4, Power Platform, R, Python
8h
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Lead, Data Scientist - Decision Sciences Identity Team
Chicago or Wakefield or Irving or Westminster or Boston
$87k-$174k/yr HybridFull Time
Publicis Groupe
Publicis GroupeEuronext Paris: PUB: Global communications, advertising, and digital transformation holding.
2+ YOEPhD in quantitative field, 2+ years relevant programming experience, strong ML/statistics background, Python proficiency, ability to deliver research projects and translate findings for non-technical audiences.
Python, Spark, Hadoop, Databricks, AWS, S3, SQL, Scala
18h
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Lead, Data Scientist - Decision Sciences Identity Team
Chicago or Wakefield or Irving or Westminster or Boston
OnsiteFull Time
Publicis Groupe
Publicis GroupeEuronext Paris: PUB: Global advertising and digital transformation agency holding.
2+ YOEPhD in a quantitative field, ML research experience, strong Python and programming skills, 2+ years relevant programming experience, ability to deliver research to production, strong communication.
Python, SQL, Scala, Spark, Hadoop, Databricks, AWS, S3, LLMs
4w
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Data Analyst Lead
Chicago, Illinois, United States
$65k-$95k/yr HybridFull Time
Resource Innovations
Resource Innovations: Provides clean energy services and software solutions for utilities.
3+ YOEMinimum 3 years as a data analyst/scientist, bachelor's degree in an analytical discipline preferred, experience with Tableau, PostgreSQL/Redshift and Microsoft Excel, SQL, Python/Node.js preferred, strong communication skills.
Tableau, PostgreSQL, Amazon Redshift, SQL, Python, Node.js, Microsoft Excel
3mo
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Senior Data Scientist II – Health Care Analytics - Chicago, DC or Remote
Washington or Chicago
$160k-$190k/yr HybridFull Time
NORC at the University of Chicago
NORC at the University of Chicago: Conducts objective social science research and public policy analysis.
9+ YOELead analytic work on CMS programs using large health data; mentor staff; manage data-intensive projects.
SAS, SQL, R, Python
1mo
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Senior Scientist I- Preclinical Safety Data System Owner
North Chicago, Illinois, United States
$97k-$184k/yr HybridFull Time
AbbVie
AbbVieNYSE: ABBV: Develops and sells innovative pharmaceutical and biopharmaceutical medicines.
10+ YOELead data system owner for PCS; collaborate with IT and vendors; develop workflow templates and calculations; ensure data integrity and security; mentor contractors.
Prestima, Ponemah, SEND, Core Enterprise Data Systems