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Senior Python Developer Jobs in Illinois (NOW HIRING)

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 ...

1 point system

Python Full Stack Engineer

Chicago, IL · On-site

Role Overview We are seeking an experienced Senior Full Stack Software Engineer to lead development ... Python (including pseudocode and transitional code understanding) * Hands-on experience with: * API ...

Cna

Senior Software Engineer, AI/ML

Chicago, IL · Hybrid

$72K - $141K/yr

We are looking for a highly skilled Senior Python AI Developer with deep expertise in building intelligent agents using Google Vertex AI, particularly with Gemini or OpenAI models. The ideal ...

E-Solutions

Senior Data Engineer

Chicago, IL · On-site

$109K - $148K/yr

Senior Data Engineer Location - Chicago, IL (3 days onsite mandatory) Rate - 65-70 Databricks, ADF ... Python, ETL, DevOps. This role requires strong experience in cloud-based data platforms and ...

CNA

Senior Software Engineer, AI/ML

Chicago, IL · On-site

$72K - $141K/yr

We are looking for a highly skilled Senior Python AI Developer with deep expertise in building intelligent agents using Google Vertex AI, particularly with Gemini or OpenAI models. The ideal ...

CNA

Senior Software Engineer, AI/ML

Chicago, IL · On-site

$72K - $141K/yr

We are looking for a highly skilled Senior Python AI Developer with deep expertise in building intelligent agents using Google Vertex AI, particularly with Gemini or OpenAI models. The ideal ...

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All 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 Jun 26, 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 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 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 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 June 2026, with employment types broken down into 100% Contract. Highlights an 100% In-person job distribution, with an average salary of $137,578 per year, or $66.1 per hour.
Senior Scala/Python Engineer (Hybrid)

Senior Scala/Python Engineer (Hybrid)

Rewards Network

Chicago, IL • Hybrid

$130K - $170K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 20 days ago

Job description

About Rewards Network

For 41 years, Rewards Network has been helping restaurants grow revenue, increase traffic, and boost customer engagement through innovative financial, marketing services, and premier dining rewards programs. By offering unique card-linked offers, we introduce diners to fantastic restaurant experiences, leveraging advanced technology and data analytics to deliver value to restaurants, diners, and our strategic partners' loyalty programs.

Our Culture

At Rewards Network, you'll be part of a driven and diverse team that excels in collaboration, issue resolution, and taking ownership of both personal growth and the company's success. We take pride in partnering with the world's most powerful loyalty programs to drive full-price paying customers to local restaurants through marketing services and flexible funding options. Our engaging and rewarding environment is designed to help you gain your full potential.

Job Overview

The Senior Software Engineer (Platform Team) joins a dynamic group responsible for designing and developing scalable back-end systems that power Rewards Network's dining and transaction processing platform. This role contributes to building robust, functional programming-driven services, ensuring seamless rewards delivery and exceptional partner experiences for millions of users. We're open to hiring at the mid to senior level based on experience.

This is a hybrid position that requires in office presence 3 days a week (Tuesday-Thursday) in Chicago.

What you'll bring to the table: (Responsibilities)

• Lead the development of scalable back-end systems to support platform services.
• Architect RESTful APIs and microservices using functional programming to ensure reliability and maintainability.
• Build real-time data pipelines to enable efficient platform operations.
• Optimize databases for performance and data integrity.
• Mentor team members on functional programming practices and system design for high-quality, testable code.
• Collaborate with DevOps and data teams to align on platform performance and operational needs.
• Implement security measures to safeguard sensitive platform data.
• Oversee projects from design to deployment, ensuring alignment with business goals.
• Enhance CI/CD processes to maintain platform reliability.
• Research advanced functional programming techniques to improve system performance.

Do you have the right mix of ingredients:
  • 7+ years of experience in back-end software development, with at least 3 years focused on functional programming.
  • Expert proficiency in Scala or other functional programming languages for building complex back-end systems.
  • Strong experience with functional programming libraries, including Cats Effect, for concurrent and scalable applications.
  • Advanced skill in designing RESTful APIs and microservices with functional paradigms.
  • Proficiency in event streaming systems like Kafka for real-time processing.
  • Expertise in optimizing relational databases (e.g., PostgreSQL) for high-throughput environments.
  • Ability to write clean, testable code adhering to functional programming principles.
  • Deep knowledge of security practices for critical systems.
  • Proven ability to lead technical projects and mentor engineers across teams.
  • Experience with CI/CD pipelines and containerized environments (e.g., Docker, Kubernetes).
  • Familiarity with Typelevel ecosystem (preferred).
  • Experience building applications using Python (preferred).

Education, Certifications and Experience: Preferred

  • Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent experience (e.g., coding bootcamp or self-taught expertise).
What you'll love about us:

Comprehensive benefits package, which includes:

  • This is a full-time, exempt position. The base salary range for this role in Chicago is $130,000–$170,000 annually, depending on level (mid-level or senior), as well as candidate experience, skills, and other factors. This role is also eligible for an annual bonus target of 10%, bringing total target compensation to $143,000–$187,000.
  • Competitive Time Off Benefits: including flexible PTO, 11 company holidays, and parental leave.
  • Generous dining reimbursement when you dine with our restaurant clients
  • 401(k) plan with a company match
  • Two medical plan options- Standard PPO or High Deductible Health Plan (HSA with company match for HDHP participants)
  • Partnership with Rx n Go, offering certain prescriptions for free
  • Two dental plan options and a vision plan
  • Flexible Spending Accounts and a pre-tax commuter benefit program
  • Accident, Critical Illness, and Hospital Indemnity Insurance Plans
  • Short Term and Long Term disability
  • Company-paid life insurance and AD&D insurance, supplemental employee, spouse, and child life insurance
  • Employee Life Assistance Program
  • Hybrid working environment in a new office space downtown near the Metra Train stations and catered lunches on Tuesdays.

Rewards Network is an Equal Opportunity Employer (EOE). We encourage and strongly support workplace diversity.

Expected Pay Range
$130,000—$170,000 USD