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Senior Software Development Engineer In Test Jobs in Highlands Ranch, CO

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Senior Software Development Engineer In Test information

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$23.6K

$131.8K

$171.6K

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

As of Sep 11, 2026, the average yearly pay for senior software development engineer in test in Highlands Ranch, CO is $131,790.00, according to ZipRecruiter salary data. Most workers in this role earn between $116,000.00 and $150,600.00 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.

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For Senior Software Development Engineer In Test jobs in Highlands Ranch, CO, the most frequently searched job titles are:

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What cities near Highlands Ranch, CO are hiring for Senior Software Development Engineer In Test jobs?

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Senior Software Development Engineer In Test jobs near you
Infographic showing various Senior Software Development Engineer In Test job openings in Highlands Ranch, CO as of June 2026, with employment types broken down into 6% As Needed, 82% Full Time, 6% Part Time, 4% Contract, and 2% Nights. Highlights an 94% Physical, 1% Hybrid, and 5% Remote job distribution, with an average salary of $131,790 per year, or $63.4 per hour.

Automation Engineer (SDET)

Denver, CO • On-site

Transcend Softech LLC
See more jobs at Transcend Softech LLCexternal

Contractor

Re-posted 8 days ago

Job description

Position: Automation Engineer (SDET)

Location:  Denver, CO
Duration: Long term

Key Responsibilities:

•              Design, develop, and maintain automation frameworks using Playwright (mandatory) and JavaScript/TypeScript.

•              Write clean, efficient, and reusable code for automated test scripts.

•              Collaborate with cross-functional teams to understand requirements and deliver high-quality solutions.

•              Integrate automation scripts into CI/CD pipelines.

Required Skills & Qualifications:

•              5–8+ years of experience in test automation development.

•              Strong hands-on experience with Playwright and JavaScript/TypeScript.

•              Solid coding experience.

•              Experience with Cypress, Java, or Python is an added advantage.

•              Good understanding of automation best practices and design patterns.