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Senior Python Developer Jobs in Illinois (NOW HIRING)

1 point system

Sr. Python Engineer

Chicago, IL · On-site

GIT We are seeking a Senior Python Developer to design, develop, test, and debug new and existing software applications. This role involves working on a large-scale platform, focusing on data ...

Pivotal Solutions

Senior Python Engineer

Chicago, IL · On-site

$125K - $168K/yr

Our client is seeking a Senior Python Engineer to join their team and help us build and maintain advanced software applications. The ideal candidate will have extensive experience in Python ...

1 point system

Sr. Python Engineer

Chicago, IL · On-site

$125K - $168K/yr

We are seeking a Senior Python Developer to design, develop, test, and debug new and existing software applications. This role involves working on a large-scale platform, focusing on data ...

1872 Consulting

Senior Python Engineer

Chicago, IL · On-site

$125K - $168K/yr

Job Summary : 1872 Consulting is seeking a Senior Python Engineer to join their focused Software Engineering Team. The role involves building full stack web applications that impact the business ...

Vergence

Senior Tableau/Python Developer

Springfield, IL · On-site

$120K - $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 · On-site

$120K - $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; Remote)

Moline, IL · On-site +1

$40 - $60/hr

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

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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All JobsPython Developer JobsSenior Python Developer JobsSenior Python Developer Jobs in Illinois

Senior Python Developer information

See Illinois salary details

$53.3K

$137.6K

$189K

How much do senior python developer jobs pay per year?

As of Aug 31, 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 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 are the key skills and qualifications needed to thrive as a senior Python developer?

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 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.

Are senior Python developers still in demand?

Senior Python developers remain in high demand due to the language's versatility in web development, data analysis, machine learning, and automation. Companies seek experienced developers with skills in frameworks like Django or Flask, and proficiency in cloud platforms and APIs enhances job prospects.

How much does a senior Python developer make?

A senior Python developer typically earns between $100,000 and $150,000 annually, depending on experience, location, and industry. They often possess strong skills in frameworks like Django or Flask and may hold certifications or advanced degrees that influence salary levels.

What does a senior Python developer do?

A senior Python developer designs, develops, and maintains complex software applications using Python. They often lead projects, review code, optimize performance, and collaborate with cross-functional teams, requiring strong problem-solving skills and knowledge of frameworks like Django or Flask. Additionally, they may mentor junior developers and ensure code quality through testing and best practices.

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 August 2026, with employment types broken down into 1% Internship, 89% Full Time, 5% Part Time, and 5% Contract. Highlights an 76% Physical, 7% Hybrid, and 17% Remote job distribution, with an average salary of $137,578 per year, or $66.1 per hour.

Sr. Python Engineer

1 point system

Chicago, IL • On-site

Contractor

Re-posted 15 days ago

Job description

Hi ,
I hope you're doing well.

I'm reaching out regarding an exciting opportunity that I believe aligns well with your background and skill set.

To move forward, could you please provide the following details along with latest copy of resume:

Work Authorization and Expiry (If any)

LinkedIn Profile URL

Current Location with Zip code

Pay Expectation on W2 (hourly)

Complete JD:

Job Title

Sr. Python Engineer

Location

Chicago, onsite 1 day/week. Relo is OK. (Chicago, IL)

Interview Process

Need to come onsite for 2nd round and live in Chicago before starting.

No Data Engineers/Engineers, need more programming in Python & PANDA, need some Cloud exp or AWS (using now)

Location: Chicago

1. Programming Language: Python leveraging Panda, boto3

2. Development experience on AWS platform

3. Containerization tool: Docker

4. Environments: Linux, WINDOWS

5. Version Control: GIT

Job Description

We are seeking a Senior Python Developer to design, develop, test, and debug new and existing software applications. This role involves working on a large-scale platform, focusing on data manipulation, and coding based on complex business logic. The developer will participate in the full development life cycle, from requirements analysis to deployment, serving as a technical expert on development projects.

Key Responsibilities

  • Lead the design, implementation, deployment, and support of backend services.
  • Support large-scale enterprise solutions and applications using AWS services.
  • Analyze complex data and systems to provide efficient technical solutions.
  • Develop and maintain coding standards throughout the project life cycle.
  • Coordinate with cross-functional teams, including architects, engineers, and business owners.
  • Perform root cause analysis on production issues and monitor environments.
  • Create functional specifications and technical designs.
  • Implement industry best practices for code and configuration in an automated environment.
  • Provide technical advice, effort estimates, and impact analysis.

Required Qualifications

  • Experience: Over 8 years in Python development, with at least 6 years of recent, in-depth experience using the Pandas library for data manipulation on large datasets.

 Technical Skills:

  • Programming Language: Python (including Pandas and boto3).
  • Cloud Platform: Development experience on AWS.
  • Containerization: Docker.
  • Environments: Linux, Windows.
  • Version Control: Git.
  • Methodology: Agile development.
  • Observability Tools: Experience with tools like CloudWatch, Dynatrace, or DataDog.
  • DevOps: Experience with CI/CD pipelines and related processes.

Preferred Qualifications

  • Databases: Experience with MySQL, RDS, Redshift, or Iceberg.
  • Experience in automation.