Data Scientist Senior Jobs in Chicago, IL

Refine Results
1 - 20 of 58 Jobs

Data Scientist-Sr Consultant II

Allstate Insurance Company

•

North Carolina, USA

Full-time

National General is a part of The Allstate Corporation, which means we have the same innovative drive that keeps us a step ahead of our customers' evolving needs. We offer home, auto and accident and health insurance, as well as other specialty niche insurance products, through a large network of independent insurance agents, as well as directly to consumers. Job Description This role is responsible for leading the use of data to make decisions. This includes: the development and management of n
Posted 43 days ago | Updated 1 hour ago

Data Scientist Senior - Compliance Analytics

M&T BANK CORPORATION

•

Remote

Full-time

OVERVIEW: Develops complex methods, processes, and systems to consolidate and analyze diverse big data sources to generate insights and solutions for business partners and product enhancement. Works with more experienced data scientists to develop new research approaches. POSITION RESPONSIBILITIES: Work with large and complex data sets to solve unstructured problems using different analytical and statistical approaches for multiple products independently. Lead sourcing, ingesting, and cleani
Posted 60+ days ago | Updated 1 hour ago

Data Scientist, Senior (Security Clearance) - Remote Role

ICF

•

Remote or Arlington, Virginia, USA

Full-time

ICF International seeks an experienced Senior Data Scientist to support the research and development of new cyber analytic capabilities that will help the US protect and defend its networks and critical information systems. The successful cleared candidate will act as a Senior Data Scientist to support a large federal cyber security analytic program. Your work will contribute to the knowledge of how cyber-attacks work, how vulnerabilities are exploited, and the way hostile cyber actors operate.
Posted 60+ days ago | Updated 1 hour ago

AI GPT Sr. Data Scientist/Developer

Tandym Tech

•

Remote

Contract

A leading technology solutions firm in Washington, DC is currently seeking a skilled AI/ML Solutions Architect to join their dynamic team. This role offers an exciting opportunity for an experienced professional to lead innovative machine learning and AI projects. About the Opportunity: Hybrid or Remote: Hybrid Shift: Day Schedule: Full-time Hours: 40 per week Setting: Office and Remote Responsibilities: The AI/ML Solutions Architect will be responsible for: Designing and implementing machine
Easy Apply
Posted 1 day ago | Updated 2 hours ago

Senior Data Scientist (Gen AI/ML Focus)

Lumen Solutions Group Inc.

•

Remote or Reston, Virginia, USA

Contract

Role: Senior Data Scientist (Gen AI/ML Focus) Location: Reston, VA (Remote) About the Role: We are seeking a highly experienced Senior Data Scientist with a strong background in Generative AI (Gen AI), Machine Learning (ML), and Natural Language Processing (NLP) to join our innovative data science team. This role will be pivotal in leading AI/ML solution design, converting manual processes to automated NLP-based systems, and integrating with cloud and API-driven platforms. The ideal candidate w
Easy Apply
Posted 2 days ago | Updated moments ago

Senior Data Scientist

Talent Groups

•

Remote

Third Party, Contract

Role: Senior Data Scientist Location: Remote Job Description- Strong background in transformer architectures, fine-tuning, and healthcare data projects. Experience with embedding models, RAG, and knowledge graphs is important. Advanced skills in LLMs, RAG, embedding databases, vectors, and knowledge graphs. Experience training custom embedding models and applying RAG techniques. Technologies: OpenAI, agentic approaches, custom model architectures.
Easy Apply
Posted 1 day ago

Senior Data Scientist

ConfigUSA

•

Remote or Reston, Virginia, USA

Contract

the Data Science team at CF that is in charge of the GenAI function. This person will act as primary source on new project as well as join several existing projects. Really needs to have NLP exp, AI/ML exp and a strong understanding of data engineering. Needs to be able to bring solutions to table. First primary project (Very early stages but some groundwork has been laid): Scripts to natural language Must haves: SQL scripting exp, data modeling / relational database structure, exp with indexing
Easy Apply
Posted 1 day ago

Sr Data Scientist

Johnson & Johnson

•

Remote or New Brunswick, New Jersey, USA

Full-time

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn m
Posted 1 day ago | Updated 1 hour ago

Senior Data Scientist - Retail

CVS Health

•

Georgia, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w
Posted 12 hours ago | Updated 1 hour ago

Senior Data Scientist

Mass General Brigham

•

Remote or Somerville, Massachusetts, USA

Full-time

Site: Mass General Brigham Incorporated Mass General Brigham relies on a wide range of professionals, including doctors, nurses, business people, tech experts, researchers, and systems analysts to advance our mission. As a not-for-profit, we support patient care, research, teaching, and community service, striving to provide exceptional care. We believe that high-performing teams drive groundbreaking medical discoveries and invite all applicants to join us and experience what it means to be par
Posted 10 days ago | Updated 1 hour ago

Senior Data Scientist - Remote

UnitedHealth Group

•

Remote or San Diego, California, USA

Full-time

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health op
Posted 1 day ago | Updated 1 hour ago

Arity - Senior Data Scientist

Allstate Insurance Company

•

Remote

Full-time

At Allstate, great things happen when our people work together to protect families and their belongings from life's uncertainties. And for more than 90 years our innovative drive has kept us a step ahead of our customers' evolving needs. From advocating for seat belts, air bags and graduated driving laws, to being an industry leader in pricing sophistication, telematics, and, more recently, device and identity protection. Job Description Arity is a part of the Allstate Corporation, which means w
Posted 7 days ago | Updated 1 hour ago

Senior Data Scientist - Search and Personalization

CVS Health

•

Georgia, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w
Posted 12 hours ago | Updated 1 hour ago

Sr Data Scientist - ML/AI/Databricks - Remote

Molina Healthcare

•

Remote or Long Beach, California, USA

Full-time

Job Description Job Description Job Summary Perform data and error analysis to improve models, and clean and validate data for uniformity and accuracy. Execute data science and statistical analytical experiments methodically to help solve various problems and make a true impact across various healthcare domains. Developing and deploying advanced machine learning models and AI solutions that enhance our products and services. Leverage their expertise in data science, machine learning, and AI t
Posted 7 days ago | Updated 1 hour ago

Senior Data Scientist (Reinforcement Learning must have)

InfoObjects Inc

•

Remote

Contract

Senior Data Scientist (Reinforcement Learning must have) Location: 100% Remote Duration: 6 Months contract Reinforcement Learning (RL) Skill Set Understanding of Sequential Decision MakingRL focuses on agents making a series of decisions to maximize cumulative reward.Requires knowledge of Markov Decision Processes (MDPs), policy/value functions, and Bellman equations.Algorithmic Expertise in RLFamiliarity with algorithms like:Q-learning, SARSADeep Q-Networks (DQN)Policy Gradient methods (REINFO
Easy Apply
Posted 15 days ago | Updated 4 days ago

Senior Data Scientist (100% Remote): Pharma & Claims Data Expert (Contract-to-Hire)

Rower

•

Remote

Contract

Rower is hiring a Full-Time Data Scientist with deep experience in the pharmaceutical space and a proven track record working with healthcare claims data. This is a contract-to-hire role, ideal for someone who can hit the ground running and wants to grow into a long-term strategic position on high-impact projects. What We re Looking For: 8+ years of hands-on experience in data science, analytics, or statistical modeling Deep pharma domain knowledge including commercial analytics, market access,
Easy Apply
Posted 11 days ago

Senior Data Scientist - Risk Prediction

CVS Health

•

Remote or New York, New York, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w
Posted 12 days ago | Updated 1 hour ago

Sr. Data Scientist - Pricing

McKesson Corporation

•

Remote or Richmond, Virginia, USA

Full-time

McKesson is an impact-driven, Fortune 10 company that touches virtually every aspect of healthcare. We are known for delivering insights, products, and services that make quality care more accessible and affordable. Here, we focus on the health, happiness, and well-being of you and those we serve - we care. What you do at McKesson matters. We foster a culture where you can grow, make an impact, and are empowered to bring new ideas. Together, we thrive as we shape the future of health for patien
Posted 2 days ago | Updated 1 hour ago

Senior Data Scientist (Risk & Compliance)

Eliassen Group

•

Anywhere, US

Contract

Description: **100% Remote** Our client, an industry leader in financial services and money transfers, has an excellent opportunity for a Senior Data Scientist (Risk & Compliance) to work on a 6+ month contract opportunity. Work will be remote, candidates local to Denver preferred. The Senior Data Scientist will manage the entire lifecycle of data science projects, from conception to deployment, while also mentoring junior team members and collaborating with other departments. You are responsi
Posted 19 days ago | Updated 1 hour ago

Senior Data Scientist Marketing Mix Modeling (MMM)

Acunor Infotech

•

New Jersey, USA

Third Party, Contract

Job Title: Senior Data Scientist Marketing Mix Modeling () Type: Contract Work Hours: Must work in PST time zone Location: Remote (Canada) Role Overview We are hiring two Senior Data Scientists with strong hands-on experience in Marketing Mix Modeling (). The ideal candidate will have deep statistical expertise, solid Python and SQL skills, and the ability to translate modeling insights into business strategy. Experience working with large-scale retail or CPG marketing data is preferred. Ke
Easy Apply
Posted 23 days ago | Updated 1 day ago