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Senior Python Developer Jobs in Illinois (NOW HIRING)

Vergence

Senior Tableau/Python Developer

Springfield, IL

$120.40K - $162K/yr

The ideal candidate brings strong Tableau and Python engineering expertise, experience working with large healthcare datasets, and the ability to operate effectively in a regulated, audit-sensitive ...

Vergence

Senior Tableau/Python Developer

Springfield, IL · On-site

$120.40K - $162K/yr

The ideal candidate brings strong Tableau and Python engineering expertise, experience working with large healthcare datasets, and the ability to operate effectively in a regulated, audit-sensitive ...

CEDENT

Python Developer

Moline, IL

$40 - $60/hr

As a Senior Software Engineer on this embedded operations team, you will be: * Automating and ... Proficient in a scripting language (Python most commonly seen, but others are acceptable) * Working ...

Vergence

Senior ETL/Python Developer

Springfield, IL

$120.40K - $162K/yr

The ideal candidate brings strong Tableau and Python engineering expertise, experience working with large healthcare datasets, and the ability to operate effectively in a regulated, audit-sensitive ...

Vergence

Senior ETL/Python Developer

Springfield, IL · On-site

$120.40K - $162K/yr

The ideal candidate brings strong Tableau and Python engineering expertise, experience working with large healthcare datasets, and the ability to operate effectively in a regulated, audit-sensitive ...

Numentica LLC

Senior Snowflake Developer

Chicago Heights, IL · On-site

$118.40K - $159.30K/yr

Develop data transformation logic using Snowflake SQL, stored procedures, and Python. * Collaborate ... Partner with DevOps teams to implement CI/CD practices for data pipeline deployments. Required ...

Cedent

Python Developer (Moline, IL; Remote)

Moline, IL · On-site +1

$40 - $60/hr

As a Senior Software Engineer on this embedded operations team, you will be: * Automating and ... Proficient in a scripting language (Python most commonly seen, but others are acceptable) * Working ...

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Senior Python Developer information

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$53.3K

$137.6K

$189K

How much do senior python developer jobs pay per year?

As of Jun 3, 2026, the average yearly pay for senior python developer in Illinois is $137,578.00, according to ZipRecruiter salary data. Most workers in this role earn between $117,700.00 and $158,400.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Python Developer, and why are they important?

To thrive as a Senior Python Developer, you need advanced proficiency in Python programming, experience with software architecture, and a solid understanding of algorithms and data structures, usually backed by a degree in computer science or related fields. Familiarity with frameworks like Django or Flask, version control systems such as Git, and containerization tools like Docker are typically required, alongside knowledge of modern CI/CD pipelines. Strong problem-solving abilities, effective communication, and leadership skills help you collaborate with teams and mentor junior developers. Mastery of these skills ensures the delivery of scalable, maintainable software solutions and the ability to drive technical excellence within development teams.

What are some common challenges faced by Senior Python Developers when leading a development team?

Senior Python Developers often encounter challenges such as balancing hands-on coding with mentoring junior team members and ensuring code quality across the team. They are also responsible for making architectural decisions, which requires staying updated on best practices and emerging Python frameworks. Additionally, coordinating collaboration between cross-functional teams (like DevOps, QA, and front-end developers) can be complex, especially in agile environments where requirements may shift rapidly. Overcoming these challenges helps foster a productive and innovative team culture.

What are the main responsibilities of a Senior Python Developer?

A Senior Python Developer is responsible for designing, developing, and maintaining complex software applications using the Python programming language. They lead the technical aspects of projects, mentor junior developers, and ensure code quality through code reviews and best practices. Additionally, they collaborate with cross-functional teams to gather requirements, solve technical challenges, and deploy scalable and efficient solutions. Senior Python Developers are also expected to stay updated with the latest trends and advancements in Python and related technologies.

What is the difference between Senior Python Developer vs Python Developer?

AspectSenior Python DeveloperPython Developer
Required ExperienceTypically 5+ years, with leadership and complex project experienceUsually 1-3 years, focusing on core Python skills
ResponsibilitiesDesigning architecture, mentoring, handling complex systemsWriting code, debugging, implementing features
CertificationsOptional but beneficial (e.g., Python certifications, cloud certs)Often not required
Work EnvironmentCollaborative teams, project planning, code reviewsDevelopment-focused, task-oriented

The main difference between a Senior Python Developer and a Python Developer lies in experience, responsibilities, and leadership. Senior developers handle complex projects, mentor others, and often participate in architecture decisions, while Python Developers focus on coding and feature implementation. Both roles are essential in tech companies, but the senior role requires more experience and broader skills.

What are the most commonly searched types of Python Developer jobs in Illinois? The most popular types of Python Developer jobs in Illinois are:
What are popular job titles related to Senior Python Developer jobs in Illinois? For Senior Python Developer jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Senior Python Developer jobs in Illinois look for? The top searched job categories for Senior Python Developer jobs in Illinois are:
What cities in Illinois are hiring for Senior Python Developer jobs? Cities in Illinois with the most Senior Python Developer job openings:
What are popular job titles related to Senior Python Developer jobs in IL? For Senior Python Developer jobs in IL, the most frequently searched job titles are:
Senior Python Developer jobs near you
Infographic showing various Senior Python Developer job openings in Illinois as of May 2026, with employment types broken down into 89% Full Time, 10% Part Time, and 1% Contract. Highlights an 80% Physical, 5% Hybrid, and 15% Remote job distribution, with an average salary of $137,578 per year, or $66.1 per hour.

Senior Software Engineer, Python (Chicago)

Fitch Group

Chicago, IL • On-site

$125K - $150K/yr

Full-time

Posted 20 days ago

Job description

Senior Software Engineer, Python Programmer
Fitch Ratings is currently seeking a Senior Software Engineer specializing in Python Programming or applications to join our team in Chicago. In this role, you will support the development and delivery of applications based on Python and AWS, Azure cloud platform. You will collaborate with dynamic teams committed to maintaining high standards of quality, performance, and scalability for Fitch's Ratings workflow systems. If you are passionate about innovative solutions and thrive in a collaborative environment, we encourage you to apply.
Objectives of this role
  • Develop, test and maintain high-quality software using Python programming language.
  • Participate in the entire software development lifecycle, building, testing and delivering high-quality solutions.
  • Collaborate with cross-functional teams to identify and solve complex problems.
  • Write clean and reusable code that can be easily maintained and scaled.

Your tasks
  • Work on technically complex systems with strong hands-on experience in design and development.
  • Interpret complex requirements associated with Ratings workflow tools.
  • Participate in code reviews, ensure code quality and identify areas for improvement to implement practical solutions.
  • Set up CI/CD pipelines for projects and integrate them with the organization's delivery mechanisms.
  • Debugging codes when required and troubleshooting any Python-related queries.
  • Keep up to date with emerging trends and technologies in Python development.
  • Participate in Agile development processes to deliver high-quality software solutions.
  • Assist in managing multiple projects to ensure timely delivery within scope and timelines.
  • Provide production support and help establish technical best practices.

Required skills and qualifications
  • 7+ years of experience as a Python Developer with a strong portfolio of projects.
  • Bachelor's degree in software engineering or a related field.
  • In-depth understanding of the Python software development stacks, ecosystems, frameworks and automation.
  • Experience with front-end development and cloud-platforms/technologies offered by AWS, Microsoft Azure.
  • Experience with databases such as Postgres and Oracle and database technologies such as SQL and NoSQL.
  • Code versioning, maintenance and deployment tools like GitHub, Bamboo, JIRA.
  • Excellent problem-solving ability with solid communication and collaboration skills.

Preferred skills and qualifications
  • Experience with popular Python frameworks such as Django, Flask or Pyramid.
  • Knowledge of DevOps practices and tools (e.g., Docker, Kubernetes/EKS-based container orchestration).
  • Knowledge of data science and machine learning concepts and tools.
  • Contributions to open-source Python projects or active involvement in the Python community.

Why Fitch?
At Fitch Group, the combined power of our global perspectives is what differentiates us. Our global network of colleagues comes together to accomplish things greater than they ever could alone.
Every team member is essential to our business and each perspective is critical to our success. We embrace a diverse culture that encourages a free exchange of ideas, guaranteeing your voice will be heard and your work will have an impact, regardless of seniority.
We are building incredible things at Fitch and we invite you to join us on our journey.
Fitch Group is a global leader in financial information services with operations in more than 30 countries. Wholly owned by the Hearst Corporation, we are comprised of three main businesses: Fitch Ratings | Fitch Solutions | Fitch Learning.
For more information please visit our websites:
www.fitchratings.com | www.fitchsolutions.com | www.fitchlearning.com
Fitch is committed to providing global securities markets with objective, timely, independent and forward-looking credit opinions. To protect Fitch's credibility and reputation, our employees must take every precaution to avoid conflicts of interests or any appearance of a conflict of interest. Should you be successful in the recruitment process at Fitch Ratings you will be asked to declare any securities holdings and other potential conflicts prior to commencing employment. If you, or your immediate family, have any holdings that may conflict with your work responsibilities, you may be asked to divest yourself of them before beginning work.
Fitch Group is proud to be an Equal Opportunity and Affirmative Action Employer. We evaluate qualified applicants without regard to race, color, national origin, religion, sex, sexual orientation, gender identity, disability, protected veteran status, and other statuses protected by law.
FOR CHICAGO ROLES ONLY: Expected base pay rates for the role will be between $125,000 and $150,000 per year. Actual salaries will be determined on an individualized basis and may vary based on factors including but not limited to education, training, experience, past performance, and other job-related factors. Base pay is one part of Fitch's total compensation package, which, depending on the position, may also include commission earnings, discretionary bonuses, long-term incentives, and other benefits sponsored by Fitch.
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