1

Senior Python Data Science Jobs in Niles, IL (NOW HIRING)

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 ...

Strong proficiency in Python and SQL. * Experience with software development best practices ... senior leadership. * Claims experience preferred. * This position can be worked hybrid out of a ...

Senior GenAI/Python Engineer

Chicago, IL · Remote

$124K - $167K/yr

Experience with metadata/catalog services and entitlement-aware data access * Experience ... Bachelor's Degree in Computer Science, Information Technology, Engineering, or related field ...

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 ...

Data Engineer, Cumberland/FICCO

Chicago, IL · On-site

$118K - $141K/yr

Required : • 3+ years of demonstrated experience designing and implementing ingestion pipelines • Foundational understanding of the Python data science ecosystem • Strong understanding of ...

Description Senior Data Scientist AArete is one-of-a-kind when it comes to consulting firm culture ... Advanced Python experience for data science, machine learning, model experimentation, automation ...

Senior Data Scientist AArete is one-of-a-kind when it comes to consulting firm culture. We're a ... Advanced Python experience for data science, machine learning, model experimentation, automation ...

Data Scientist

Chicago, IL · On-site +1

$139K - $144K/yr

Support senior staff in the development of client proposals. Basic Qualifications: * Bachelor ... Python, R, SQL, Tableau and Power BI. * Cloud environments including: AWS, Azure, and GCP Data Lake ...

Data Scientist

Chicago, IL · On-site

$139K - $144K/yr

Support senior staff in the development of client proposals. Basic Qualifications: * Bachelor ... Python, R, SQL, Tableau and Power BI. * Cloud environments including: AWS, Azure, and GCP Data Lake ...

Showing results 41-60

Senior Python Data Science information

See Niles, IL salary details

$54.7K

$141.3K

$194.1K

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

As of Aug 12, 2026, the average yearly pay for senior python data science in Niles, IL is $141,310.00, according to ZipRecruiter salary data. Most workers in this role earn between $120,900.00 and $162,700.00 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 Niles, IL? The most popular types of Python Data Science jobs in Niles, IL are:
What are popular job titles related to Senior Python Data Science jobs in Niles, IL? For Senior Python Data Science jobs in Niles, IL, the most frequently searched job titles are:
What job categories do people searching Senior Python Data Science jobs in Niles, IL look for? The top searched job categories for Senior Python Data Science jobs in Niles, IL are:
What cities near Niles, IL are hiring for Senior Python Data Science jobs? Cities near Niles, IL with the most Senior Python Data Science job openings:

Sr Data Scientist

PayPal

Chicago, IL • On-site

Full-time

Medical, PTO

Re-posted 4 days ago


PayPal rating

6.9

Company rating: 6.9 out of 10

Based on 21 frontline employees who took The Breakroom Quiz

18th of 21 rated payment service providers


Job description

The Company

PayPal has been revolutionizing commerce globally for more than 25 years. Creating innovative experiences that make moving money, selling, and shopping simple, personalized, and secure, PayPal empowers consumers and businesses in approximately 200 markets to join and thrive in the global economy.

We operate a global, two-sided network at scale that connects hundreds of millions of merchants and consumers. We help merchants and consumers connect, transact, and complete payments, whether they are online or in person. PayPal is more than a connection to third-party payment networks. We provide proprietary payment solutions accepted by merchants that enable the completion of payments on our platform on behalf of our customers.

We offer our customers the flexibility to use their accounts to purchase and receive payments for goods and services, as well as the ability to transfer and withdraw funds. We enable consumers to exchange funds more safely with merchants using a variety of funding sources, which may include a bank account, a PayPal or Venmo account balance, PayPal and Venmo branded credit products, a credit card, a debit card, certain cryptocurrencies, or other stored value products such as gift cards, and eligible credit card rewards. Our PayPal, Venmo, and Xoom products also make it safer and simpler for friends and family to transfer funds to each other. We offer merchants an end-to-end payments solution that provides authorization and settlement capabilities, as well as instant access to funds and payouts. We also help merchants connect with their customers, process exchanges and returns, and manage risk. We enable consumers to engage in cross-border shopping and merchants to extend their global reach while reducing the complexity and friction involved in enabling cross-border trade.

Our beliefs are the foundation for how we conduct business every day. We live each day guided by our core values of Inclusion, Innovation, Collaboration, and Wellness. Together, our values ensure that we work together as one global team with our customers at the center of everything we do - and they push us to ensure we take care of ourselves, each other, and our communities.

Job Summary:

This job will lead the development and implementation of advanced data science models and algorithms. You will work with stakeholders to understand requirements and deliver solutions. Your role involves driving best practices in data science, ensuring data quality, and mentoring junior scientists.

Job Description:

Essential Responsibilities:

  • Lead the development and implementation of advanced data science models.
  • Collaborate with stakeholders to understand requirements.
  • Drive best practices in data science.
  • Ensure data quality and integrity in all processes.
  • Mentor and guide junior data scientists.
  • Stay updated with the latest trends in data science.

Minimum Qualifications:

  • 3+ years relevant experience and a Bachelor's degree OR Any equivalent combination of education and experience.

Additional Responsibilities & Preferred Qualifications:

Your way to impact:

Own the areas of Fraud risk policy:Work on Broad area of projects from card riskstrategies, acquisitionand payment risk strategies, all depending on the business need.

Work closely with Stakeholders: this includes Credit Risk, Product,finance teams to optimize fraud strategies and portfolio performance.

Proactively identify emerging fraud trendsand propose mitigation strategies.

Maintain and develop Monitoring and Alerting capabilities: to clearly monitor the PPC Card program health and simplify insights for key stakeholders.

Present regular updates to senior leaders: on Portfolio Health, highlights,lowlights,and actionable insights.

Your day to day:

In this role you will have full ownership of portfolio and is responsible for end-to-end management ofFraudloss and decline rates.

Works independently and proficiently. Accountable for own results.

Collaborate with different teams to develop strategies for fraud prevention, loss savings, and optimize transaction declines.

Analyze and assess risks to provide informed recommendations for mitigation strategies

Prepare periodicKPIreports summarizing the business units' risk and control environment for senior management

What do you need to bring:

4+ years of domain expertise

Excellent Problem-Solving Skills:Strong judgment and the ability to think strategically, creatively, and practically to address complex challenges.

Advanced Analytics expertise:Proficiency in SQL, Python, Advanced Excel, Tableau, and other analytics tools, with a proven track record of using them to solve real-world problems.

Exceptional communication skills:Outstanding written, verbal communication abilities, capable of translating complex technical concepts into clear, actionable insights for diverse audiences

Collaboration & Influence: Strong ability to collaborate across teams, build relationships, and drive results through influence and teamwork

Experience inPayments /Transaction risk management / Credit / Fraud Risk is a strong plus.

**We know the confidence gap and imposter syndrome can get in the way of meeting spectacular candidates. Please don't hesitate to apply.

Subsidiary:

PayPal

Travel Percent:

0

-

The base pay for this role will depend on where you work and the relevant experience and expertise you bring. The expected range of pay for this role by location is:

Primary Location | Pay Range:

Chicago, Illinois | ($130,500.00 - $193,600.00 Annually)

Additional Location(s) | Pay Range:

No other locations are assigned to this requisition currently.Additional compensation for this role may include an annual performance bonus, equity, or other incentive compensation, as applicable.

PayPal does not charge candidates any fees for courses, applications, resume reviews, interviews, background checks, or onboarding. When making an application directly, we will never ask you to share passwords, one-time passcodes (OTP), or verification codes. Any such request is a red flag and likely part of a scam. All communication regarding your application will come from official PayPal email domains. If you suspect fraudulent activity, please report it immediately. To learn more about how to identify and avoid recruitment fraud please visit https://careers.pypl.com/contact-us.

For the majority of employees, PayPal's balanced hybrid work model offers 3 days in the office for effective in-person collaboration and 2 days at your choice of either the PayPal office or your home workspace, ensuring that you equally have the benefits and conveniences of both locations.

Our Benefits:

At PayPal, we're committed to building an equitable and inclusive global economy. And we can't do this without our most important asset-you. That's why we offer comprehensive, choice-based programs, to support all aspects of personal wellbeing-physical, emotional, and financial-delivering meaningful value where it matters most.We strive to create a flexible, balanced work culture with a holistic approach to benefits, including generous paid time off, healthcare coverage for you and your family, and resources to create financial security and support your mental health.

Who We Are:

Click Here to learn more about our culture and community.

Commitment to Diversity and Inclusion

PayPal provides equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, pregnancy, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state, or local law. In addition, PayPal will provide reasonable accommodations for qualified individuals with disabilities. If you are unable to submit an application because of incompatible assistive technology or a disability, please contact us at paypalglobaltalentacquisition@paypal.com.

Belonging at PayPal:

Our employees are central to advancing our mission, and we strive to create an environment where everyone can do their best work with a sense of purpose and belonging. Belonging at PayPal means creating a workplace with a sense of acceptance and security where all employees feel included and valued. We are proud to have a diverse workforce reflective of the merchants, consumers, and communities that we serve, and we continue to take tangible actions to cultivate inclusivity and belonging at PayPal.

Any general requests for consideration of your skills, please Join our Talent Community.

We know the confidence gap and imposter syndrome can get in the way of meeting spectacular candidates. Please don't hesitate to apply.


What PayPal employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom


PayPal logo

About PayPal

Sourced by ZipRecruiter

PayPal has remained at the forefront of the digital payment revolution for more than 20 years. By leveraging technology to make financial services and commerce more convenient, affordable, and secure, the PayPal platform is empowering more than 400 million consumers and merchants in more than 200 markets to join and thrive in the global economy. For more information, visit paypal.com. PayPal provides equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, pregnancy, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, PayPal will provide reasonable accommodations for qualified individuals with disabilities. If you are unable to submit an application because of incompatible assistive technology or a disability, please contact us at paypalglobaltalentacquisition@paypal.com.

Industry

Software development

Company size

10,000+ Employees

Headquarters location

San Jose, CA, US

Year founded

1998

Social media