ZipRecruiter

Log In

1

Senior Software Development Engineer In Test Jobs in Peoria, IL

Caterpillar

Software Test Engineer

Peoria, IL · On-site

Build, scale, and monitor components in AWS, including ECS (Fargate), Lambda functions, DynamoDB ... Career Development* * Incentive bonus* * Disability benefits * Life Insurance * Parental leave

Belcan

Test Engineer

Mossville, IL · On-site

$39.45/hr

... in developing the structural design of products using tools, equipment or software. Skills ... This individual will work with engine development engineers to ensure that engine and test cell ...

Belcan

Test Engineer

Mossville, IL

$39.45/hr

... in developing the structural design of products using tools, equipment or software. Skills ... This individual will work with engine development engineers to ensure that engine and test cell ...

DataAnnotation

Senior Software Engineer

Peoria, IL · Remote

$40 - $75/hr

... in AI development. Our platform offers an engaging blend of flexibility and challenge: you'll work closely with state-of-the-art AI models to take on programming tasks that include creating and ...

Caterpillar Inc.

Senior Lead React Engineer

Peoria, IL · On-site

The Senior Lead React Engineer will be responsible for designing, developing, and maintaining ... of software development tools and activities; ability to produce software products or systems in ...

TriOptus LLC

Embedded Software Engineer

Mossville, IL · On-site

$95.90K - $126.20K/yr

Experience with software development processes such as Agile. Disqualifiers/Red Flags : * Test ... Core skills above should be reflected in bulk of work experience. Soft Skills Required: * Verbal ...

Caterpillar

Embedded SW Engineer

Mossville, IL · On-site

$127.59K - $146.29K/yr

... test the high-quality, secure software as a member of small team. Focus on iterative development ... This position requires a bachelor's degree or foreign equivalent in Electrical Engineering ...

Caterpillar

Embedded SW Sr. Engineer

Mossville, IL · On-site

$112.71K - $169.06K/yr

Lead the resolution of display software defects found during product development. Verify display ... This position requires a bachelor's degree or foreign equivalent in Electrical Engineering ...

Tech Tammina LLC

Embedded Software Engineer

Mossville, IL · On-site

$95.90K - $126.20K/yr

... proficiency in Python. * Systems Knowledge: Deep understanding of Linux-based development ... As a senior leader, this individual will shape the long-term platform strategy and technical ...

Purplejack Technologies LLC

Embedded Engineer

Mossville, IL · Hybrid

$95.90K - $126.20K/yr

... interactions • Experience in embedded software development, systems design, and product ... and test embedded remote-control software systems • Develop AUTOSAR-based applications using ...

New

next page

Showing results 1-20

People also search for

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 May 29, 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 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.

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 does a Senior Software Development Engineer in Test (SDET) 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.

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 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
Software Test Engineer

Software Test Engineer

Caterpillar

Peoria, IL • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 2 days ago

Caterpillar Inc. rating

7.5

Company rating: 7.5 out of 10

Based on 457 frontline employees who took The Breakroom Quiz

216th of 415 rated machine equipment manufacturers

Job description

Career Area:
Technology, Digital and Data
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.
Caterpillar, Inc. seeks Software Test Engineer at its facility located at 501 SW Jefferson, Peoria, IL 61605. Design, modify, develop, write, and implement software programming applications in Java and Python for target systems using agile methods. Build, scale, and monitor components in AWS, including ECS (Fargate), Lambda functions, DynamoDB tables, Kinesis Data streams, Amazon Data Firehoses, Managed Apache Flink, S3, SNS, and SQS. Acquire client requirements and resolve workflow problems through automation optimization. Write source code for new applications and generate or enhance code samples for existing applications. Utilize Junit, Mockito, and Cucumber to build and test all applications. Validate Business Features with tests. Gather quality metrics as an output of testing to detect things such as gaps in coverage. Write SQL queries in Snowflake to perform actions such as creating Snowflake resources, querying tables and views in Snowflake, and building complex stored procedures. Use tools such as Query Analyzer to measure the performance of SQL queries and procedures and make appropriate optimization enhancements. Write deployment scripts for CI/CD pipelines to build code and deploy services onto AWS using CloudFormation templates. REQS: This position requires a bachelor's degree or foreign equivalent in Computer Science, Data Engineering, Test Engineering, Information Technology, or a related field plus 3 years of experience as a Test Engineer, building deployment scripts or in a related occupation. Additionally, the applicant must have 3 years of employment experience with: (1) AWS; (2) Java; (3) Snowflake; (4) Building Deployment Scripts; (5) Spring Framework; (6) SQL; and (7) Ci/CD. Travel: None. Telecommuting: Up to 2 days/week.
Summary Pay Range:
$92,789.00 - $144,960.00
Compensation and benefits may vary depending on multiple individualized factors, job level, market, location, job-related knowledge, skills, individual performance, and experience. Please note that salary is only one component of total compensation at Caterpillar.
Benefits:
Subject to plan eligibility, terms, and guidelines. This is a summary list of benefits.
  • Medical, dental, and vision benefits*
  • Paid time off plan (Vacation, Holidays, Volunteer, etc.)*
  • 401(k) savings plans*
  • Health Savings Account (HSA)*
  • Flexible Spending Accounts (FSAs)*
  • Health Lifestyle Programs*
  • Employee Assistance Program*
  • Voluntary Benefits and Employee Discounts*
  • Career Development*
  • Incentive bonus*
  • Disability benefits
  • Life Insurance
  • Parental leave
  • Adoption benefits
  • Tuition Reimbursement

* These benefits also apply to part-time employees
Applicants who are interested in this position should apply via www.caterpillar.com/careers, search [Software Test Engineer / Reference #R0000360444]. #LI-DNI
Visa Sponsorship is not available for this position.
Posting Dates:
March 28, 2026 - July 28, 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.

What Caterpillar Inc. employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

Apply