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Senior Software Development Engineer In Test Jobs in Peoria, IL

RFA Engineering

Sr. Embedded Software Engineer

Chillicothe, IL · On-site

$100K - $120K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... and test plans. Requirements * BS in Software, Computer, Electrical, or other relevant Engineering degree. * Experience with C or C++ development. * Strong verbal and written communication skills.

RFA Engineering

Sr. Embedded Software Engineer

Chillicothe, IL · On-site

$100K - $120K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... and test plans. Requirements * BS in Software, Computer, Electrical, or other relevant Engineering degree. * Experience with C or C++ development. * Strong verbal and written communication skills.

Caterpillar Inc.

Autonomy Development Engineer

Mossville, IL · On-site

$97K - $158K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Together, we are building a better world, so we can all enjoy living in it. The Autonomy Development Engineer develops and delivers production-quality software that enables autonomous and semi ...

Caterpillar

Autonomy Development Engineer

Mossville, IL · On-site

$97K - $158K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Together, we are building a better world, so we can all enjoy living in it. The Autonomy Development Engineer develops and delivers production-quality software that enables autonomous and semi ...

RFA Engineering

Embedded Software Engineer

Chillicothe, IL · On-site

$75K - $115K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Integration of software in a multi-developer team environment using modern software development practices. * Functional and integration testing prior to hand-off to software test and evaluation ...

RFA Engineering

Embedded Software Engineer

Chillicothe, IL · On-site

$75K - $115K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Integration of software in a multi-developer team environment using modern software development practices. * Functional and integration testing prior to hand-off to software test and evaluation ...

Xcelo Group Inc

IT Software Engineer

Mossville, IL · On-site

... test sessions with external vendors and global engineering teams, including teams in India ... Review project requests and assist with estimating development effort, time, and cost.

New

Epitec

Embedded Software Engineer 3

Chillicothe, IL · On-site

$60 - $63/hr

Embedded Software Engineer 3 Contract Duration: 24 months Location: Chillicothe, IL Work ... and test embedded software features. * Linux Development: Experience working in Linux-based ...

Purple Hires Inc

Embedded Software Engineer

Mossville, IL · On-site

$95K - $126K/yr

Participate in code/design reviews and Agile sprints. * Work with global software, systems, machine ... Embedded software development * Linux * Git/GitHub * Debuggers and compilers * C test and Google ...

Caterpillar

Embedded Software Engineer

Mossville, IL · On-site

$127K - $146K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... writing test plans, and testing; (2) Software development in MathWorks Simulink: writing ... Engineer / R0000380424] - # LI-DNI This position requires working onsite five days a week. Visa ...

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All JobsSoftware Development Engineer In Test JobsSenior Software Development Engineer In Test JobsSenior Software Development Engineer In Test Jobs in Peoria, IL

Senior Software Development Engineer In Test information

See Peoria, IL salary details

$22.1K

$123.2K

$160.4K

How much do senior software development engineer in test jobs pay per year?

As of Aug 19, 2026, the average yearly pay for senior software development engineer in test in Peoria, IL is $123,199.00, according to ZipRecruiter salary data. Most workers in this role earn between $108,400.00 and $140,800.00 per year, depending on experience, location, and employer.

What does a senior software development engineer in test do?

A Senior Software Development Engineer in Test (SDET) is responsible for designing, developing, and maintaining automated test frameworks and tools to ensure the quality and reliability of software products. They work closely with development and QA teams to identify test requirements, create robust test cases, and integrate automated tests into the CI/CD pipeline. In addition to coding and scripting, Senior SDETs mentor junior team members, analyze test results, and help troubleshoot complex issues to continuously improve software quality. Their expertise bridges the gap between development and testing, ensuring both speed and quality in software releases.

How does a senior software development engineer in test typically collaborate with development and product teams to ensure software quality?

As a Senior Software Development Engineer In Test (SDET), you will work closely with both development and product teams throughout the software development lifecycle. This includes participating in design and requirements discussions to identify potential test cases early, contributing to test automation strategies, and providing feedback on testability and quality risks. SDETs often pair with developers to review code, co-create test plans, and triage bugs together, ensuring that testing is fully integrated into the CI/CD pipeline. Effective communication and cross-team collaboration are essential for proactively identifying issues and maintaining high software quality standards.

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

To thrive as a Senior Software Development Engineer In Test, you need advanced programming skills, deep knowledge of software testing methodologies, and a bachelor's degree in computer science or a related field. Expertise with automation frameworks (such as Selenium, Cypress, or Appium), CI/CD tools, and scripting languages is typically required, along with relevant certifications like ISTQB. Strong analytical thinking, problem-solving, and effective communication are crucial soft skills for collaborating with cross-functional teams and driving quality initiatives. These capabilities ensure rigorous test coverage, faster release cycles, and high-quality software products.

What is the difference between Senior Software Development Engineer In Test vs Software Development Engineer In Test?

AspectSenior Software Development Engineer In TestSoftware Development Engineer In Test
ExperienceTypically 5+ years in testing and developmentEntry to mid-level, 1-3 years experience
ResponsibilitiesDesigns complex test frameworks, mentors juniors, leads testing initiativesDevelops test cases, automates tests, executes testing tasks
Skills & CertificationsAdvanced coding, automation, testing tools, leadership skillsProgramming, automation, testing tools
Work EnvironmentCollaborates with cross-functional teams, often in Agile settingsWorks closely with developers, focuses on automation and manual testing

In summary, a Senior Software Development Engineer In Test has more experience, leadership responsibilities, and strategic testing roles compared to a Software Development Engineer In Test, who primarily focuses on developing and executing tests.

What are popular job titles related to Senior Software Development Engineer In Test jobs in Peoria, IL?

For Senior Software Development Engineer In Test jobs in Peoria, IL, the most frequently searched job titles are:

What cities near Peoria, IL are hiring for Senior Software Development Engineer In Test jobs?

Cities near Peoria, IL with the most Senior Software Development Engineer In Test job openings:

Senior Software Development Engineer In Test jobs near you

Sr. Embedded Software Engineer

RFA Engineering

Chillicothe, IL • On-site

$100K - $120K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted 6 days ago

Job description

RFA Engineering ( is an engineering service provider dedicated to delivering our clients with timely engineering support and expertise. We are seeking an entry-level to experienced candidate to become an integral part of our engineering team. The selected candidate will work with an experienced engineering staff using state-of-the-art engineering tools & processes. This position will operate onsite at our customer's world-class engineering and manufacturing facility.
This is a full-time position with a full benefit package listed below that includes opportunities for professional growth, direct hire by our customers, and additional opportunities within our own organization.
Sr. Embedded Software Engineer
This selected candidate will apply the principles of computer science and mathematical analysis to the design, development, testing, and evaluation of the embedded software and systems that make computers work. A typical embedded software engineer researches, designs, develops and tests operating systems-level software, compilers, and network distribution software for medical, industrial, military, communications, aerospace, business, scientific and general computing applications.
Responsibilities
  • Design and implement software of embedded devices and systems from requirements to production and commercial deployment for product lines.
  • Review project requests describing database user needs to estimate time and cost required to accomplish project.
  • Develop, debug, and validate embedded software for real-time control systems and machine applications.
  • Participate in software architecture, design reviews, and code reviews to ensure quality and maintainability.
  • Integrate software with sensors, actuators, communication networks, and other electronic control systems.
  • Troubleshoot and resolve software, hardware, and system-level issues identified during development and testing.
  • Create and maintain technical documentation, including software requirements, design specifications, and test plans.

Requirements
  • BS in Software, Computer, Electrical, or other relevant Engineering degree.
  • Experience with C or C++ development.
  • Strong verbal and written communication skills.
  • Self-motivated, quick learner, with an any-problem-can-be-solved attitude.
  • Good organizational and time management skills.
  • Ability to identify needed actions and act to resolve issues.
  • Ability to communicate technical information effectively.
  • Ability to thrive in a team environment.
  • Must have a valid Driver's License.

Desired Attributes
  • Experience with CAN J1939 & LIN communication protocols.
  • Experience with Simulink/Matlab Model Based Software Design.
  • Experience with GitHub or similar version control systems.
  • General machine knowledge of vehicles, mobile equipment, or heavy equipment.
  • Able to read/understand electrical schematics.
  • Experience with embedded controls or machine control systems.
  • Experience with Agile software development processes.
  • Desire to work in an engineering environment focused on advanced machine control technologies.

Visa sponsorship is NOT available for this position.
Pay Range: $100,000-$120,000 - Commensurate with experience
About RFA Engineering
RFA Engineering has provided product development and engineering services to industry leading customers since 1943. Our primary focus is the development of off highway equipment including agricultural, construction, mining, recreational, industrial, and special machines. Our work includes concept development, product design, documentation, problem-solving, simulation, optimization, and testing of components, systems and complete machines. Our engineering staff is located at our Engineering Center in Minneapolis, branch office in Dubuque, IA, and at numerous customer sites throughout the U.S.
Competitive Benefits
  • Health and Dental Insurance
  • Health Savings Account
  • TelaDoc: Virtual Health Care
  • Vision Insurance
  • Company Paid / Supplemental Life Insurance
  • Company Paid Long-Term Disability
  • Supplemental Short-Term Disability
  • Retirement Savings Account (Traditional 401k & Roth 401k)
  • Flexible Spending Plan Dependent Care
  • Bonus Plan (Exempt Employees Only)
  • Paid Time Off (PTO)
  • Paid Holidays
  • Bereavement Leave
  • Employee Assistance Programs (EAP)
  • Education Assistance

Equal Opportunity and Veteran Friendly
Equal Opportunity Employer
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.

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