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Senior Software Development Engineer In Test Jobs in Peoria, IL

RLI Corp

Sr. Software Engineer (.Net Full Stack)

Peoria, IL · On-site

$96 - $138/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... development experience to join our Software Engineering team. In this role, you will design ... Principal Duties & Responsibilities***** ### Design, develop, test, and maintain enterprise ...

Caterpillar

Senior Software Engineer

Peoria, IL · On-site

$120K - $158K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... test and deploy software applications ... Work on functional lines with individuals assigned in new program development and/or maintenance of ...

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 ...

RLI Corp.

Sr. Software Engineer (.Net Full Stack)

Peoria, IL · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Design, develop, test, and maintain enterprise applications using C# and the Microsoft .NET ... Experience working in Agile software development environments. * Experience using AI-assisted ...

ARI

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

Peoria, IL · On-site

$129K - $169K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Strong programming skills in Embedded C and C++ . * Experience with C Test and Google Test (GTest ... Algorithm development, simulation, and validation. * System modeling and control logic ...

ARi

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

Peoria, IL

$90K - $110K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Develop and maintain unit test frameworks and test code to validate software functionality and ... Experience in display software development and GUI applications is an added advantage. MATLAB ...

Cintal

Software Test Engineer

Chillicothe, IL · On-site

$80K - $100K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... development lead times, and accelerate the introduction of high-quality products to the market ... Manage and track work items in Azure DevOps. * Collaborate with internal engineering teams and ...

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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

(1108354) Senior Software Engineer - Application Integration & Architecture

Diversified Services Network, Inc.

Peoria, IL • On-site

$120K - $158K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 5 days ago

Job description

Senior Software Engineer – Application Integration & Architecture

Onsite | Peoria, IL | Full-Time

Diversified Services Network, Inc. (DSN) is seeking a full-time Senior Software Engineer – Application Integration & Architecture to join our team in Peoria, IL. We offer full benefits, PTO, 401k, and more! If you're looking to grow your career within an extremely reputable, stable Fortune 100 company - let's talk!

Position Overview

This role is responsible for partnering with business stakeholders to understand organizational goals and translate them into effective, scalable application integration and architecture solutions. The Senior Software Engineer will drive solutions from initial design through deployment and long-term support, working within a global engineering team.

Key Responsibilities

  • Partner with business stakeholders to understand business goals and challenges, and design and implement effective solutions
  • Drive software solutions through the full Software Development Lifecycle, from requirements gathering through deployment and ongoing support
  • Provide work estimates for tasks and initiatives
  • Understand existing deployed solutions and support functional changes as needed
  • Assign and coordinate tasks for developers located in other regions of the world

Team & Work Environment

  • Collaborate closely with business partners, project managers, and architects
  • Work within a global team of approximately 15–20 team members
  • Direct team includes 4 U.S.-based employees plus additional developers located in India

Requirements

Education & Experience Required

  • Bachelor's degree with 5+ years of relevant experience OR
  • 8+ years of relevant experience in lieu of a degree

Required Technical Skills

  • IT-related experience in application development, support, and architecture
  • Strong understanding of the Software Development Lifecycle (SDLC)
  • Experience creating architecture diagrams and design documentation
  • Demonstrated success implementing both API-based and ETL-based integration architectures
  • Experience working with SaaS and cloud-based technologies
  • Experience supporting major applications serving thousands of users across a global user base

Additional Technical Skills (Preferred)

  • Snowflake
  • SnapLogic
  • SQL
  • Python
  • AI
  • GitHub / DevOps

Soft Skills

  • Strong written and verbal communication skills
  • Strong ability to learn new tools, technologies, and processes
  • Strong troubleshooting skills

Benefits

  • 401(k)
  • Dental insurance
  • Vision Insurance
  • Disability insurance
  • Employee assistance program
  • Health insurance
  • Health savings account
  • Life insurance
  • Paid time off
  • Paid Holidays

Please follow the link to our website for a list of job openings in Engineering, IT, Project Management, and more! https://www.dsnworldwide.com

Salary expectations: 108,000-115,000 per annual