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Software Developer Co Op Jobs in Illinois (NOW HIRING)

Cummins Inc.

2025 - Summer Intern Co-op Conversion

Peoria, IL · On-site

$14.75 - $19.50/hr

This requisition is for 2025 Summer Intern/Co-op Conversion candidates with assignment end dates ... Functional Talent Scouts (function or engineering subfunction), who are CC03 or higher employees ...

Cummins Inc.

2025 - Summer Intern Co-op Conversion

Chicago, IL · On-site

$15.50 - $20.50/hr

This requisition is for 2025 Summer Intern/Co-op Conversion candidates with assignment end dates ... Functional Talent Scouts (function or engineering subfunction), who are CC03 or higher employees ...

Cummins Inc.

2025 - Summer Intern Co-op Conversion

Aurora, IL · On-site

$14.25 - $19/hr

This requisition is for 2025 Summer Intern/Co-op Conversion candidates with assignment end dates ... Functional Talent Scouts (function or engineering subfunction), who are CC03 or higher employees ...

Cummins Inc.

2025 - Summer Intern Co-op Conversion

Joliet, IL · On-site

$14.50 - $19.25/hr

This requisition is for 2025 Summer Intern/Co-op Conversion candidates with assignment end dates ... Functional Talent Scouts (function or engineering subfunction), who are CC03 or higher employees ...

Cummins Inc.

2025 - Summer Intern Co-op Conversion

Dekalb, IL · On-site

$14.75 - $19.75/hr

This requisition is for 2025 Summer Intern/Co-op Conversion candidates with assignment end dates ... Functional Talent Scouts (function or engineering subfunction), who are CC03 or higher employees ...

Old Mission

Compliance Analyst Co-Op

Chicago, IL · On-site

$62K/yr

About This Role Old Mission, a global trading firm, is looking for a Co-Op student to join our ... Some familiarity with large data sets and programming languages * Strong written and verbal ...

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Showing results 41-60

All JobsSoftware Developer Co Op JobsSoftware Developer Co Op Jobs in Illinois

Software Developer Co Op information

See Illinois salary details

$46.5K

$108.4K

$160.9K

How much do software developer co op jobs pay per year?

As of Aug 21, 2026, the average yearly pay for software developer co op in Illinois is $108,381.00, according to ZipRecruiter salary data. Most workers in this role earn between $87,200.00 and $126,000.00 per year, depending on experience, location, and employer.

What is the difference between Software Developer Co Op vs Software Engineer Intern?

AspectSoftware Developer Co OpSoftware Engineer Intern
CredentialsTypically enrolled in a computer science or related degree programUsually students in a similar field, often at the undergraduate level
Work EnvironmentPart-time or full-time during academic terms, often in corporate or tech company settingsTemporary position, often during summer, in tech companies or startups
Employer & Industry UsageCommon in tech, software, and IT industries; used by companies to develop talent pipelineCommon in tech and software industries; used for skill development and recruitment

Both roles are internship positions aimed at students gaining practical experience. The main difference lies in terminology and sometimes duration or scope, but both serve as entry points into software development careers.

What are the most commonly searched types of Software Developer jobs in Illinois?

The most popular types of Software Developer jobs in Illinois are:

What are popular job titles related to Software Developer Co Op jobs in Illinois?

For Software Developer Co Op jobs in Illinois, the most frequently searched job titles are:

What job categories do people searching Software Developer Co Op jobs in Illinois look for?

The top searched job categories for Software Developer Co Op jobs in Illinois are:

What cities in Illinois are hiring for Software Developer Co Op jobs?

Cities in Illinois with the most Software Developer Co Op job openings:

Software Developer Co Op jobs near you
Infographic showing various Software Developer Co Op job openings in Illinois as of August 2026, with employment types broken down into 1% As Needed, 90% Full Time, 6% Part Time, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $108,381 per year, or $52.1 per hour.

2027 Engineering Corporate Parallel Co-op Program

Caterpillar

Mossville, IL • On-site

Part-time

Medical, PTO

Re-posted 19 days ago

Caterpillar Inc. rating

7.5

Company rating: 7.5 out of 10

Based on 482 frontline employees who took The Breakroom Quiz

271st of 493 rated machine equipment manufacturers

Job description

Career Area:
Students and Graduates
Job Description:
Your Work Shapes the World at Caterpillar Inc.
When you join Caterpillar, you're joining a global team who cares not just about the work we do - but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here - we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it.
About the Role
The Parallel Co-op Program is continuous employment for engineering/technology/computer science students focused on product development at Caterpillar. This is an early talent pipeline with the intent to find and develop the best talent. We strive to provide you with interesting work & mentoring throughout the year, while you provide Caterpillar with some additional resources to complete valuable tasks at hand. Caterpillar pairs you with product development work teams on an annual basis, so you have the opportunity to work full-time in-person with the team during the summer and then work part-time throughout the school year.
Parallel Co-Op Engineers work alongside engineering teams to complete design & simulation tasks in support of Caterpillar product development in the following areas:
  • Product Design: Engineer components & systems for Caterpillar products to meet our customers' needs. Deliver solutions by leading collaboration with cross functional teams throughout our value chain starting from the initial concept through production.
  • Simulation/Performance Analysis: CFD - Computational Fluid Dynamics (ANSYS), FEA - Finite Element Analysis, 3D modelling, root cause investigation; system/subsystem/component design optimization, structural dynamics, development and optimization of Engine, Aftertreatment, Battery, Fuel Cell, Powertrain, and/or Machine System performance.
  • Test/Validation/Hands on: Apply strong mechanical engineering understanding in a test/validation (hands-on) environment, troubleshooting issues, and collaborating with others for optimal results.
  • Controls Development: Develop/Implement control system algorithms using Matlab/Simulink for various control systems including but not limited to engine controllers, machine implement controllers as well as powertrain controllers. Will be responsible for understanding the feature requirement, implementing it as well as testing it prior to a production roll out.
  • Electronic Components: Will be responsible for designing and testing various electronic control modules as well as various electronic components. Will work with various internal Caterpillar clients to understand controller/component requirements, work with suppliers on design and validation of the components, as well as testing the components in various environments. Other duties may include design of Printed Circuit Board schematics as well as perform digital/analog/power circuit analysis and testing, and ensuring that FMEAs [Failure Mode and Effects Analysis] are conducted and documented to meet stringent Caterpillar quality requirements
  • Embedded Software Development: Develop embedded software in C, C# and/or C++ for various electronic control modules. Some examples of embedded software development applications include Datalink communications, Inputs and Outputs [Sensors and actuators], speed calculation, Injection/spark timing, memory management, CPU optimization, multi core design and implementation etc. In addition, some areas of work include developing scripts in Python/Visual Basic for automation.
  • Software Validation/Verification for Electronic Systems: Verify functionality of a feature or control system algorithm on a HIL [Hardware in the Loop] simulator bench or a SIL [Software in the loop] system. Understand requirements of the feature and/or the schematics of the controller/control system, verify functionality and debug/report anomalies to the development team and help validate fixes.
  • Engineering Data Analytics: Ability to write and understand computer code; Python; analytics/data science experience; exposure to machine learning concepts/tools; engineering and statistics fundamentals.
  • Process Engineering: Process Engineering: Apply mechanical, manufacturing, systems and/or industrial engineering knowledge to analyze and optimize an engineering process or processes. Will have the opportunity to leverage problem-solving and communication skills.

What You Have - Skills and Experiences
In this role, you will have the opportunity to contribute your unique skills and experiences. Below are some of the most critical skills.
  • Analytical skills, initiating ideas, troubleshooting, root cause analysis, problem-solving, and critical thinking capabilities
  • Knowledge of engineering principles, theory, and engineering experience gained through projects, internships, and/or relevant work experiences
  • Fundamental understanding of engineering for a manufacturing environment, ability to design and implement materials, structures, machines, devices, systems and processes that safely realize a desired objective or invention
  • Organize and manage multiple projects simultaneously, ability to quickly gain, and effectively apply new skills & knowledge
  • Success in collaborating with others of diverse cultures, interpersonal styles, and abilities
  • Strong written and verbal communication skills

Co-Op Program Qualifications:
  • Must be enrolled full-time in a 4-year university/college pursuing an ABET accredited degree in Mechanical, Electrical, Computer, Agricultural or Aerospace Engineering or Engineering Technology at the time of application and throughout the program.
  • Minimum 3.0/4.0 Cumulative Grade Point Average (no rounding) at current institution

Top candidates will also have:
  • Management experience
  • Previous technical internship, co-op, or research/relevant experience
  • Current intern or trainee at Caterpillar

Additional Information:
  • Please attach your resume and an unofficial copy of your transcript to your application.
  • This is a part-time, temporary position.
  • Sponsorship is NOT available
  • Locations include the Peoria, Illinois area, Champaign and Decatur, Illinois, West Lafayette/Lafayette, Indiana and Tucson, Arizona
  • During the summer, this position requires working onsite five days a week at the assigned location.
  • During the school year this position requires students attending University of Illinois, Purdue University, & The Ohio State University to work at the local campus office on days they work.

Summary Pay Range:
$25.00 - $43.00*
*Hourly Rate is based on the major/degree being pursued and the number of completed academic hours achieved prior to the start of the Co-op.
Co-op Benefits:
The total rewards package, beyond the base salary includes:
  • Paid holidays
  • Accrued Paid Time Off (PTO)
  • Paid Volunteer Day
  • Housing Stipend and Relocation Assistance (if eligible)
  • Optional medical coverage
  • Optional voluntary benefits

Besides exciting work, Corporate Interns will experience:
  • Comprehensive internship orientation
  • Tours of state-of-the-art manufacturing and research facilities
  • Product Demonstration
  • Mentorship Programs
  • Various social events
  • Networking with leadership
  • Business skill building
  • Career discussion with leaders and expert

Final details:
Please frequently check the email associated with your application, including the junk/spam folder, as this is the primary correspondence method. If you wish to know the status of your application - please use the candidate log-in on our career website as it will reflect any updates to your status.
Qualified applicants of any age are encouraged to apply.
For more information, visit caterpillar.com. To connect with us on social media, visit caterpillar.com/social-media.
Summary Pay Range:
$25.00 - $43.00
Intern Hourly Rate:
An intern's hourly rate is based on the major/degree being pursued and the number of completed academic hours achieved before the start of the internship.
Intern Benefits:
The total rewards package, beyond base salary, may include if eligible:
  • Accrued Paid Time Off (PTO)
  • Paid Holidays
  • Paid Volunteer Day
  • Housing Stipend
  • Relocation Assistance
  • Medical coverage
  • Voluntary benefits

Visa Sponsorship is not available for this position.
Posting Dates:
August 17, 2026 - December 30, 2026
Any offer of employment is conditioned upon the successful completion of a drug screen.
Caterpillar is an Equal Opportunity Employer, Including Veterans and Individuals with Disabilities. Qualified applicants of any age are encouraged to apply.
Not ready to apply? Join our Talent Community.

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