Software Engineer in Test

PeerSource; Loveland (CO); On-site; USD 90,000 - 140,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

Life insurance

Matching retirement plan

Job summary

PeerSource is seeking a Software Engineer in Test (SDET) to join an agile engineering team focused on quality through white-box testing and test development. This contract-to-hire role is based in Loveland, CO and partners with developers to strengthen reliability and testing strategy.

The ideal candidate brings 5+ years in testing, strong coding for test frameworks, and experience with Selenium, Cypress, and Playwright, plus API and mobile testing.

Qualifications

• 5+ years of experience in software testing, quality engineering, or SDET-focused development.
• Strong coding experience with white-box testing and test framework development.
• Hands-on experience with automated testing tools such as Selenium, Cypress, and Playwright.
• Experience testing APIs, backend services, or distributed systems preferred.
• Mobile testing experience using Appium or similar tools is highly preferred.
• Strong analytical, troubleshooting, and collaboration skills.
• Bachelor’s degree in Computer Science, Engineering, or related technical discipline preferred.

Responsibilities

• Develop and maintain code-based testing solutions to validate backend services, APIs, and application functionality.
• Perform white-box testing to evaluate system behavior, architecture, and software performance.
• Partner with software engineers to identify defects early and improve overall product quality.
• Design and implement automated testing strategies for functional, integration, and regression testing.
• Contribute to testing frameworks and continuous quality improvements within an agile environment.
• Support validation efforts across web and mobile-related applications where applicable.
• Participate in code reviews, sprint activities, and collaborative troubleshooting efforts.

Skills

White-box testing

Test framework development

Selenium

Cypress

Playwright

API testing

Mobile testing

Strong collaboration

Education

Bachelor's degree in Computer Science or related field

Tools

Appium

Job description

PeerSource is currently recruiting for a Software Engineer in Test on a Contract-to-Hire basis. This role is based out of Loveland, CO.

• Full benefits are offered during the contract period prior to converting full-time.

No third parties.

Summary

We are seeking a Software Engineer in Test (SDET) to join an agile engineering team focused on improving software quality through white-box testing and test development. This role is ideal for a quality engineer who thrives on building test solutions and validating complex software behavior through code rather than primarily executing automation suites. The ideal candidate will partner closely with software developers to strengthen system reliability and testing strategy.

Responsibilities

• Develop and maintain code-based testing solutions to validate backend services, APIs, and application functionality.
• Perform white-box testing to evaluate system behavior, architecture, and software performance.
• Partner with software engineers to identify defects early and improve overall product quality.
• Design and implement automated testing strategies for functional, integration, and regression testing.
• Contribute to testing frameworks and continuous quality improvements within an agile environment.
• Support validation efforts across web and mobile-related applications where applicable.
• Participate in code reviews, sprint activities, and collaborative troubleshooting efforts.

Required Skills

• 5+ years of experience in software testing, quality engineering, or SDET-focused development.
• Strong coding experience with white-box testing and test framework development.
• Hands-on experience with automated testing tools such as Selenium, Cypress, and Playwright.
• Experience testing APIs, backend services, or distributed systems preferred.
• Mobile testing experience using Appium or similar tools is highly preferred.
• Strong analytical, troubleshooting, and collaboration skills.
• Bachelor’s degree in Computer Science, Engineering, or related technical discipline preferred.

No third parties. H1 sponsorship is not available.

PeerSource is a nationwide technology recruiting firm that prioritizes building strong relationships with the talented professionals we are fortunate to serve. We offer contract, contract-to-hire, and direct hire opportunities throughout the US and support W2 as well as independent consultants working on a Corp-to-Corp basis.

• W2 benefits with PeerSource include health, dental, vision, and life insurance as well as a matching retirement plan.