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Software Development Engineer Intern Jobs in Peoria, IL

Caterpillar

Autonomy Development Engineer

Mossville, IL · On-site

$97K - $158K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The engineer applies strong software engineering practices to solve real-world problems and supports development across the full lifecycle, from concept through validation and release. The role ...

Danaher

Software Engineer Internships

Peoria, IL · On-site

As a Software Engineering Intern at Danaher, you'll work alongside experienced engineers developing ... Supporting the development of console and embedded software systems * Troubleshooting issues and ...

RFA Engineering

Embedded Software Engineer

Chillicothe, IL · On-site

$75K - $115K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Development methods include C/C++ programming language and Model Based Software Design. Testing methods include bench testing, computer simulation testing, hardware-in-the-loop testing, and machine ...

RFA Engineering

Embedded Software Engineer

Chillicothe, IL · On-site

$75K - $115K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Development methods include C/C++ programming language and Model Based Software Design. Testing methods include bench testing, computer simulation testing, hardware-in-the-loop testing, and machine ...

Caterpillar

Senior Software Engineer

Peoria, IL · On-site

$112K - $183K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

As a Senior Software Engineer on the Data Engineering team, you will be responsible for developing ... Software Development Strong expertise in software development tools and activities; ability to ...

Tech Tammina LLC

Embedded Software Engineer

Mossville, IL · On-site

$95K - $126K/yr

Embedded Software Engineer Candidate will need to relocate to one of following locations ... Software Development and Testing: Knowledge of software development/validation tools and activities ...

Caterpillar

Embedded Software Engineer

Mossville, IL · On-site

$127K - $146K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Additionally, the applicant must have employment experience with: (1) Software development in C ... Engineer / R0000380424] - # LI-DNI This position requires working onsite five days a week. Visa ...

ARi

Sr. Embedded Software Engineer (C++ & MATLAB)

Peoria, IL

$90K - $110K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Perform software integration, debugging, and troubleshooting on target hardware and development ... Required Skills Strong programming skills in Embedded C and C++. Experience with C Test and Google ...

New

Epitec

Embedded Software Engineer 3

Chillicothe, IL · On-site

$60 - $63/hr

Support full software development lifecycle activities including requirements decomposition, design ... Strong programming experience in C or C++ required. * Experience developing embedded software in a ...

krg technology inc

Embedded Software Engineer

Mossville, IL · On-site

$95K - $126K/yr

Five to ten years of development experience using Objective C, C# or C++ (with emphasis on C++11/14) programming languages. * Three to five years of embedded software experience. * Development ...

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All JobsSoftware Development Engineer Intern JobsSoftware Development Engineer Intern Jobs in Peoria, IL

Software Development Engineer Intern information

See Peoria, IL salary details

$13

$24

$37

How much do software development engineer intern jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for software development engineer intern in Peoria, IL is $24.94, according to ZipRecruiter salary data. Most workers in this role earn between $20.29 and $28.32 per hour, depending on experience, location, and employer.

What does a software development engineer intern do?

A Software Development Engineer Intern assists in designing, coding, testing, and maintaining software applications under the guidance of experienced engineers. Interns typically work on real projects, write code, debug issues, and collaborate with team members to learn the software development lifecycle. This role helps interns gain practical experience, improve programming skills, and understand how software teams operate in a professional environment.

What are the key skills and qualifications needed to thrive as a software development engineer intern, and why are they important?

To thrive as a Software Development Engineer Intern, you typically need proficiency in programming languages such as Java, Python, or C++, and a solid understanding of computer science fundamentals, often supported by coursework or personal projects. Familiarity with development tools like Git, integrated development environments (IDEs), and sometimes cloud platforms or version control systems is expected. Strong problem-solving abilities, eagerness to learn, and effective communication help interns collaborate and adapt quickly. These skills and qualities enable interns to contribute meaningfully to projects while growing their technical and teamwork abilities in a real-world environment.

What types of projects do software development engineer interns typically work on, and how much ownership do they have over their work?

As a Software Development Engineer Intern, you will often contribute to real-world projects that may range from feature development and bug fixes to prototyping new tools or improving existing systems. Interns are usually paired with a mentor and integrated into agile teams, where they are encouraged to take ownership of their assigned tasks and present their solutions. While guidance and code reviews are standard, interns are trusted to design, implement, and test their code, allowing for meaningful hands-on experience and a direct impact on product outcomes.

What is the difference between Software Development Engineer Intern vs Software Engineer?

AspectSoftware Development Engineer InternSoftware Engineer
CredentialsTypically pursuing or recently completed a bachelor's or master's degree in computer science or related fieldUsually holds a bachelor's degree or higher in computer science or related discipline
Work EnvironmentInternship programs, often part-time or summer roles within tech companiesFull-time employment in software development teams
Employer & Industry UsageUsed across tech companies, startups, and large corporations for entry-level rolesFull-time professional role in similar environments
Common Search & ComparisonOften compared for entry-level experience and career progressionRepresents a standard professional role in software development

The main difference between a Software Development Engineer Intern and a Software Engineer is the experience level and employment status. Interns are typically students gaining practical experience, while Software Engineers are full-time professionals responsible for designing, developing, and maintaining software products.

What cities near Peoria, IL are hiring for Software Development Engineer Intern jobs?

Cities near Peoria, IL with the most Software Development Engineer Intern job openings:

Software Development Engineer Intern jobs near you
Infographic showing various Software Development Engineer Intern job openings in Peoria, IL as of August 2026, with employment types broken down into 1% As Needed, 86% Full Time, 11% Part Time, and 2% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $51,872 per year, or $24.9 per hour.

2027 Engineering Corporate Intern Program - Product Development Track

Caterpillar

Mossville, IL • On-site

$12.25 - $15.75/hr

Full-time

Medical, PTO

This job post has expired today. Applications are no longer accepted.

Caterpillar Inc. rating

7.4

Company rating: 7.4 out of 10

Based on 480 frontline employees who took The Breakroom Quiz

287th of 490 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
This pipeline posting is currently limited to candidates who have completed a Caterpillar Students & Graduates assignment (e.g., internship, co-op, student trainee) within the previous 24 months.
Caterpillar's Corporate Engineering Intern program seeks students currently enrolled in a four-year university to work alongside engineering professionals to learn and apply themselves to project work within their teams.
Interns will have assignments that provide them with experience and significant learning opportunities. In addition to this work, Interns can network with management throughout the company to learn about Caterpillar areas outside their assigned team. Students can deepen their business skills in their assignments through team and business partner interactions, develop their skills, conduct presentations, and measure their success through the performance and evaluation process.
What You Will Do
You'll join a team with diverse project responsibilities and have valuable networking opportunities with all levels of Caterpillar employees. The internship is a 40-hour-per-week assignment lasting 12 weeks. You can focus on building technical abilities in roles including (but not limited to):
  • 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: Engage with analysis methods such as 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: Design and test various electronic control modules as well as various electronic components. 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 & 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: Leverage ability to write and understand computer code, especially Python; apply knowledge of data analytics/data science, machine learning concepts/tools, and engineering and statistics fundamentals.
  • 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 experience
  • 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
  • Participate in and build on our inclusive, constructive, and productive work environment
  • Ensure all team members' contributions are recognized and valued

Internship 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; Engineering Technology; or similar technical based programs at the time of application and throughout the program
  • Must have completed at least 24 semester hours from current institution before the start of the internship. If a transfer student, must have 12 semester hours completed at a 4-year university
  • Must have a minimum 3.0/4.0 cumulative grade point average (no rounding) at time of application from current institution* (*Current 1st year/1st semester students at current institution may utilize high school, college/community college, or trade school transcripts to meet a minimum 3.0 cumulative grade point average at time of graduation.)
  • Must maintain 3.0/4.0 cumulative grade point average (no rounding) prior to start of internship
  • Must be able to relocate to Peoria, IL area or an indicated work location for the duration of the internship and complete daily work commute using reliable transportation

Top Candidates May Also Have
  • Project or team leadership experience
  • Previous technical internship, co-op, or research/relevant experience
  • Excellent interpersonal and communication skills

Additional Information
  • This pipeline posting is currently limited to candidates who have completed a Caterpillar Students & Graduates assignment (e.g., internship, co-op, student trainee) within the previous 24 months
  • Must attach your resume and an unofficial copy of your transcript to your application
  • Applicants will be considered for positions throughout the United States
  • Primary location for these positions is in the Peoria, Illinois area, with a number of positions in other locations
  • Sponsorship is NOT available for this position
  • This position requires working onsite five days a week

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.
For more information, visit caterpillar.com. To connect with us on social media, visit caterpillar.com/social-media.
#LI
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

This position requires working onsite five days a week.
Visa Sponsorship is not available for this position.
Posting Dates:
July 1, 2026 - August 14, 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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