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Senior Python Data Science Jobs in Oak Brook, IL

The Hartford

Senior Data Scientist

Chicago, IL

$110K - $166K/yr

Sr Data Scientist - GD07AE We're determined to make a difference and are proud to be an insurance ... Science, or related field. Strong Python and SQL skills; experience with Git and cloud ML ...

Launch Consulting

Senior Data Scientist

Chicago, IL · On-site

$140K - $180K/yr

For senior professionals ready to shape the future of AI and Data Science, your next big ... Deep expertise in Python, including libraries such as scikit-learn, pandas, NumPy, TensorFlow ...

University of Chicago

Data Science Analyst

Chicago, IL · Hybrid

$74K - $100K/yr

The University of Chicago seeks Data Science Analyst for Chicago, IL Bachelor's in Information or ... Python; SQL; R; Tableau/STATA; data analysis, insight synthesis, & presentation; AWS; Hadoop/Spark ...

PayPal, Inc.

Senior Data Scientist

Chicago, IL · On-site

Drive best practices in data science. Drive success through data-driven approach by applying ... SAS/Python in database/server for large-scale data analysis (2 years) 4. Performing data ...

PayPal

Senior Data Scientist

Chicago, IL

Drive best practices in data science. Drive success through data-driven approach by applying ... SAS/Python in database/server for large-scale data analysis (2 years) 4. Performing data ...

PayPal

Sr Data Scientist

Chicago, IL

Drive best practices in data science. * Ensure data quality and integrity in all processes ... Proficiency in SQL, Python, Advanced Excel, Tableau, and other analytics tools, with a proven track ...

Varsity Tutors

Data Science Tutor

Skokie, IL · Remote

$40/hr

What We Look For In a Data Science Tutor * Advanced Subject Mastery: Deep knowledge of statistical ... SQL, Python or R programming, hypothesis testing, and communication of data-driven insights.

Varsity Tutors

Data Science Tutor

Lake Forest, IL · Remote

$40/hr

What We Look For In a Data Science Tutor * Advanced Subject Mastery: Deep knowledge of statistical ... SQL, Python or R programming, hypothesis testing, and communication of data-driven insights.

Varsity Tutors

Data Science Tutor

Evanston, IL · Remote

$40/hr

What We Look For In a Data Science Tutor * Advanced Subject Mastery: Deep knowledge of statistical ... SQL, Python or R programming, hypothesis testing, and communication of data-driven insights.

Varsity Tutors

Data Science Tutor

Oak Lawn, IL · Remote

$40/hr

What We Look For In a Data Science Tutor * Advanced Subject Mastery: Deep knowledge of statistical ... SQL, Python or R programming, hypothesis testing, and communication of data-driven insights.

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$143.3K

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How much do senior python data science jobs pay per year?

As of Jun 18, 2026, the average yearly pay for senior python data science in Oak Brook, IL is $143,286.00, according to ZipRecruiter salary data. Most workers in this role earn between $122,600.00 and $165,000.00 per year, depending on experience, location, and employer.

What is the difference between Senior Python Data Science vs Data Analyst?

AspectSenior Python Data ScienceData Analyst
Required SkillsPython, machine learning, statistical analysis, data modelingExcel, SQL, data visualization, basic statistics
Work EnvironmentData science teams, R&D, product developmentBusiness units, reporting, operational analysis
Industry UsageTech, finance, healthcare, e-commerceRetail, marketing, finance, healthcare

Senior Python Data Scientists focus on advanced analytics, machine learning, and building predictive models using Python, often working in R&D or product teams. Data Analysts primarily handle data reporting, visualization, and basic statistical analysis to support business decisions. While both roles require data handling skills, Senior Python Data Science roles demand deeper technical expertise and experience with complex algorithms.

What are the most commonly searched types of Python Data Science jobs in Oak Brook, IL? The most popular types of Python Data Science jobs in Oak Brook, IL are:
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Senior Python Data Science jobs near you
Senior Data Scientist

Senior Data Scientist

The Hartford

Chicago, IL

$110K - $166K/yr

Full-time

Posted 3 days ago

The Hartford rating

8.8

Company rating: 8.8 out of 10

Based on 104 frontline employees who took The Breakroom Quiz

52nd of 261 rated insurance

Job description

Sr Data Scientist - GD07AE

We're determined to make a difference and are proud to be an insurance company that goes well beyond coverages and policies. Working here means having every opportunity to achieve your goals - and to help others accomplish theirs, too. Join our team as we help shape the future.

The Hartford's Actuarial Strategic Modeling (ASM) organization is seeking a Senior Data Scientist to strengthen analytical and modeling capabilities supporting pricing, segmentation, underwriting strategies, and portfolio insights within Business insurance.

What You Will Do

Model Development & Analytics

Contribute and lead key phases of end-to-end model development including problem definition, data exploration, model development, validation, and monitoring.

Engage in the development and enhancement of predictive models - while thoughtfully assessing alternative approaches and techniques to support loss, territory/Geography, and emerging claim level modeling needs.

Partner with Data Engineering and MLOps teams to support deployment and monitoring.

Cross-Functional Collaboration

Partner with Actuarial, Underwriting, Product, Data Engineering, and Governance teams to align modeling work with business strategies.

Communicate findings clearly to technical and non-technical audiences.

Innovation & Modernization

Explore new modeling methods, data sources, and tools.

Contribute to shared modeling frameworks and best practices.

Technical Leadership & Mentorship

Provide peer learning, code reviews, and technical guidance.

Support continuous improvement of modeling standards.

Qualifications

Required

5+ years experience developing statistical or ML models.

Master's/PhD in Statistics, Data Science, Applied Math, Computer Science, Actuarial Science, or related field.

Strong Python and SQL skills; experience with Git and cloud ML environments.

Ability to collaborate across functions and communicate insights effectively.

Preferred

Insurance analytics experience.

Familiarity with model governance and monitoring.

Experience with Agile delivery or MLOps pipelines.

Ability to mentor and support the development of Data Science and Actuarial peers.

Why Join Us?

Engage in high-visibility enterprise modeling initiatives.

Work with modern analytical tools, ML, and generative AI.

Work at the intersection of Data Science and Actuarial Science, partnering closely with diverse technical and business teams.

This role will have a Hybrid work schedule, with the expectation of working in an office (Columbus, OH, Chicago, IL, Hartford, CT or Charlotte, NC) 3 days a week (Tuesday through Thursday).

Candidates must be authorized to work in the US without company sponsorship. The company will not support the STEM OPT I-983 Training Plan endorsement for this position.

Compensation

The listed annualized base pay range is primarily based on analysis of similar positions in the external market. Actual base pay could vary and may be above or below the listed range based on factors including but not limited to performance, proficiency and demonstration of competencies required for the role. The base pay is just one component of The Hartford's total compensation package for employees. Other rewards may include short-term or annual bonuses, long-term incentives, and on-the-spot recognition. The annualized base pay range for this role is:

$110,720 - $166,080

Equal Opportunity Employer/Sex/Race/Color/Veterans/Disability/Sexual Orientation/Gender Identity or Expression/Religion/Age

About Us|Our Culture|What It's Like to Work Here|Perks & Benefits

What The Hartford employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

Hartford logo

About Hartford

Sourced by ZipRecruiter

Hartford Financial Services Group, widely recognized as The Hartford, is a renowned company based in Hartford, CT, US. Established in 1810, it has evolved into an industry leader in the insurance and financial services sector, proudly serving more than one million businesses in the US. The Hartford is committed to offering a gamut of insurance products that include homeowners, automobile, and business insurance as well as employee benefits and mutual funds. The company’s core values revolve around customer-focused innovations, diversity and inclusion, and ethical dealings that have earned them a customer-centric reputation. This shapes their mission which revolves around aiding their clients to overcome unforeseen obstacles and enhancing their wealth over time. Among the company's noted accomplishments is being consistently listed among the World's Most Ethical Companies, a testament to their unwavering commitment towards responsible business practices.

Industry

Finance and insurance

Company size

10,000+ Employees

Headquarters location

Hartford, CT, US

Year founded

1810

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