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Jr Software Test Engineer Jobs in Peoria, IL (NOW HIRING)

Caterpillar

Embedded Software Engineer

Mossville, IL · On-site

$127K - $146K/yr

Caterpillar Inc. seeks Embedded Software Engineer at its facility located at 2427 E. Engine Drive ... Develop and test software in support of Caterpillar machine electrification applications. Develop ...

ARI

Project Engineer - IT Software

Peoria, IL

Conduct test plan development and software validation. * Identify and resolve software defects ... Developer or IT Consultant or related.. The Benefits of Working at ARi If you work for ARi, we ...

ARi

Project Engineer - IT Software

Peoria, IL

Conduct test plan development and software validation. Identify and resolve software defects ... Developer or IT Consultant or related.. The Benefits of Working at ARi If you work for ARi, we ...

Caterpillar

Senior Software Engineer

Peoria, IL · On-site

$120K - $158K/yr

A qualified candidate will possess the ability to work independently, design, develop, test and ... Software Integration Engineering : Knowledge of software integration processes and functions ...

Jobtailor

Software Engineer IV

Pekin, IL · On-site

$110 - $190/hr

Designs, codes, tests, implements, scales, and supports application software and systems as part of ... Uses DevOps and Agile processes to deliver desired functionality quickly and effectively, while ...

Komatsu

Engineer IV, Embedded Software Developer

Peoria, IL · On-site

$111K - $133K/yr

Apply now Engineer IV, Embedded Software Developer Posting Start Date: 5/21/26 Job Location (Short ... Perform or plan engineering evaluations including investigations, calculations and tests requiring ...

Caterpillar Brazil

Senior Software Engineer

Peoria, IL · On-site

$112.71 - $183.14/hr

A qualified candidate will possess the ability to work independently, design, develop, test and ... Software Integration Engineering**: Knowledge of software integration processes and functions ...

Komatsu

Engineer IV, Embedded Software Developer

Peoria, IL · On-site

$111K - $133K/yr

Perform or plan engineering evaluations including investigations, calculations and tests requiring ... writing software to control the circuits, and understanding tools to troubleshoot the circuits ...

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Showing results 21-40

All JobsJr Software Test Engineer JobsJr Software Test Engineer Jobs in Peoria, IL

Jr Software Test Engineer information

See Peoria, IL salary details

$45.6K

$92.8K

$139.3K

How much do jr software test engineer jobs pay per year?

As of Aug 10, 2026, the average yearly pay for jr software test engineer in Peoria, IL is $92,764.00, according to ZipRecruiter salary data. Most workers in this role earn between $71,600.00 and $93,700.00 per year, depending on experience, location, and employer.

What is the difference between Jr Software Test Engineer vs Software Test Engineer?

AspectJr Software Test EngineerSoftware Test Engineer
Required CredentialsAssociate degree or relevant certification, basic testing knowledgeBachelor's degree in CS or related field, more experience
Work EnvironmentEntry-level testing teams, supervised tasksMore autonomous testing roles, complex projects
Employer & Industry UsageStartups, IT companies, software firmsEstablished companies, larger software development teams
Search & Comparison IntentEntry-level testing roles, career progressionMid-level testing positions, skill enhancement

The main difference between a Jr Software Test Engineer and a Software Test Engineer lies in experience, responsibilities, and independence. Jr Software Test Engineers are typically entry-level, focusing on basic testing tasks under supervision, while Software Test Engineers handle more complex testing activities with greater autonomy. Both roles are essential in software development, with the Jr role serving as a stepping stone to more advanced testing positions.

What job categories do people searching Jr Software Test Engineer jobs in Peoria, IL look for? The top searched job categories for Jr Software Test Engineer jobs in Peoria, IL are:
What cities near Peoria, IL are hiring for Jr Software Test Engineer jobs? Cities near Peoria, IL with the most Jr Software Test Engineer job openings:
Jr Software Test Engineer jobs near you

Embedded Software Engineer

Neshent Technologies

Mossville, IL

$95K - $126K/yr

Full-time

Posted 2 days ago

New

Job description

We are seeking a skilled Embedded Software Engineer to design, develop, test, and maintain embedded software solutions for embedded systems and hardware platforms. The ideal candidate will have strong C/C++ programming skills, experience with embedded software development, and the ability to troubleshoot, optimize, and deliver reliable software throughout the full software development lifecycle.

Roles and Responsibilities
  • Design, develop, test, and maintain embedded software for hardware-based systems.
  • Develop operating system-level software, device drivers, and embedded applications.
  • Analyze system requirements and create functional software solutions.
  • Read and interpret hardware schematics, component datasheets, and technical documentation.
  • Collaborate with hardware, firmware, and software engineering teams to integrate embedded solutions.
  • Debug, troubleshoot, and resolve software and system issues.
  • Perform software testing, validation, and performance optimization.
  • Participate in all phases of the Software Development Life Cycle (SDLC), including requirements analysis, design, development, testing, and deployment.
  • Create and maintain technical documentation for software design and implementation.
  • Ensure software quality, reliability, and compliance with engineering standards.
Required Qualifications
  • Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, or a related field.
  • 3+ years of experience in embedded software or firmware development.
  • Strong programming experience in C and/or C++.
  • Knowledge of embedded systems architecture and hardware/software integration.
  • Experience reading and interpreting hardware schematics and component datasheets.
  • Understanding of the Software Development Life Cycle (SDLC) and Agile development methodologies.
  • Basic knowledge of operating systems, computer hardware, and software architecture.
  • Familiarity with development tools, debuggers, and version control systems.
  • Experience troubleshooting embedded software and system-level issues.
  • Working knowledge of databases or development tools such as SQL, Visual Basic, or similar technologies is a plus.
  • Strong analytical, problem-solving, and debugging skills.
  • Excellent verbal and written communication skills with the ability to work effectively in a collaborative environment.
Preferred Qualifications
  • Experience with RTOS, embedded Linux, or bare-metal development.
  • Familiarity with communication protocols such as UART, SPI, I2C, CAN, or Ethernet.
  • Experience with embedded debugging tools, oscilloscopes, and logic analyzers.
  • Knowledge of software testing, code reviews, and continuous integration practices.
  • Experience developing software for industrial, medical, automotive, aerospace, or IoT devices is a plus.

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