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Senior Software Developer In Test Jobs in Denver, CO

Senior Software Test Engineer

Denver, CO · On-site

$130K - $155K/yr

Headquartered in Denver, Colorado, Astroscale U.S. applies world-class rendezvous, proximity ... S. Inc. is currently seeking a Senior Software Test Engineer to join the team in our Denver ...

Specialized Software Developer: IV

Centennial, CO · On-site

$53.75 - $71/hr

Senior Software Developer GENERAL SUMMARY The Senior Software Developer is a hands-on technical ... Education & Experience • Bachelors degree in Computer Science, Software Engineering, Information ...

Senior Software Engineer

Aurora, CO · On-site

$170K - $260K/yr

... DevOps Containerization. We also provide customer solutions in the areas of CND, CNE, and CNO by ... Reviews and tests software components for adherence to the design requirements and documents test ...

Company Description This position is on-site in Englewood CO. Our Client delivers innovative ... Our client is seeking a Senior Software Developer for our Englewood, CO office. Work with a small ...

The Senior Software Engineer will play a key technical leadership role, contributing hands-on ... test plans, verification protocols, and reports in compliance with IEC 62304 and IEC 81001-5-1. * ...

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Senior Software Developer In Test information

See Denver, CO salary details

$15

$63

$90

How much do senior software developer in test jobs pay per hour?

As of May 29, 2026, the average hourly pay for senior software developer in test in Denver, CO is $63.54, according to ZipRecruiter salary data. Most workers in this role earn between $53.94 and $71.25 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Software Developer In Test, and why are they important?

To thrive as a Senior Software Developer In Test, you need advanced programming skills, expertise in test automation, and a solid understanding of software development and QA methodologies, typically supported by a degree in computer science or a related field. Proficiency with test automation frameworks (such as Selenium, Cypress, or Appium), continuous integration systems (like Jenkins or GitHub Actions), and relevant certifications (e.g., ISTQB) is highly valuable. Attention to detail, problem-solving abilities, and effective communication are critical soft skills for collaborating with developers and ensuring high-quality releases. These skills and qualities are essential for identifying issues early, optimizing testing processes, and delivering reliable software in fast-paced development environments.

What are some common challenges faced by Senior Software Developers in Test, and how can they be addressed?

Senior Software Developers in Test often encounter challenges such as balancing test automation coverage with tight deadlines, keeping up with evolving technologies, and ensuring effective communication between development and QA teams. Addressing these challenges involves prioritizing automation efforts based on risk and business impact, continually updating technical skills, and fostering a collaborative environment through regular cross-team meetings. Proactively sharing knowledge and advocating for best testing practices also help streamline workflows and maintain high-quality standards.

What is a Senior Software Developer In Test?

A Senior Software Developer In Test (SDET) is an experienced software professional who is responsible for designing, developing, and maintaining automated test frameworks and tools to ensure software quality. SDETs work closely with development and QA teams to create automated tests that validate application functionality, performance, and security. They possess strong programming skills, a deep understanding of software testing methodologies, and often contribute to both the development and testing aspects of a project. Senior SDETs also mentor junior team members and help shape best practices for software testing within their organization.

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

AspectSenior Software Developer In TestSoftware Development Engineer in Test
CredentialsTypically requires a software engineering degree and testing certificationsSimilar credentials, often with certifications in testing tools or automation
Work EnvironmentWorks closely with development teams to design and implement automated testsFocuses on developing testing frameworks and automation tools within development teams
Industry UsageCommonly used in software companies emphasizing quality assuranceWidely used in tech firms with a focus on continuous integration and delivery
Search & Comparison IntentOften compared for seniority and scope of testing responsibilitiesCompared for automation skills and development focus

Both roles involve testing and automation, but Senior Software Developer In Test typically has more leadership responsibilities and strategic testing planning, while Software Development Engineer in Test focuses more on developing testing tools and automation frameworks within the development process.

What are the most commonly searched types of Software Developer In Test jobs in Denver, CO? The most popular types of Software Developer In Test jobs in Denver, CO are:
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What cities near Denver, CO are hiring for Senior Software Developer In Test jobs? Cities near Denver, CO with the most Senior Software Developer In Test job openings:
Infographic showing various Senior Software Developer In Test job openings in Denver, CO as of May 2026, with employment types broken down into 75% Full Time, and 25% Contract. Highlights an 94% In-person, and 6% Hybrid job distribution, with an average salary of $132,159 per year, or $63.5 per hour.

Senior Software Test Engineer

Astroscale U.S.

Denver, CO • On-site

$130K - $155K/yr

Full-time

Posted 18 days ago


Job description

Company Description

Astroscale U.S. is dedicated to the global Astroscale vision of ensuring the safe and sustainable development of space for future generations.Astroscale U.S. Inc. is a leading provider of on-orbit servicing solutions - including inspection, transportation, life extension, debris removal and refueling - for the U.S. government and commercial operators around the world. Headquartered in Denver, Colorado, Astroscale U.S. applies world-class rendezvous, proximity operations and docking capabilities, mission design, policy, and economics expertise to solve the complex challenges our customers face.
Astroscale U.S. Inc. is currently seeking a Senior Software Test Engineer to join the team in our Denver, Colorado office. As part of the Software Test team you will design and develop test routines and infrastructure to exercise and validate software and hardware components for our satellite mission programs.

Job Description
  • Develop and execute test plans and test cases for our software and hardware systems 
  • Work alongside leadership to manage the test plan and implementation of the test framework 
  • Lead test campaigns spanning spacecraft flight and ground systems 
  • Participate in design and code reviews to ensure that software meets quality standards 
  • Create and execute system level verification, validation, integration, and test plans 
  • Drive the improvement of software testing tools and processes 
  • Rapidly prototype software to prove out design concepts and participate in development of hardware-in-the-loop systems 
  • Collaborate with internal partner organizations and third-party organizations. 
  • Assess software and system issues to find solutions, including across software-hardware interfaces 
Qualifications
  • 8+ years of professional software engineering experience, including 3+ years of professional software test development 
  • Professional experience developing Python 
  • Experience developing C and/or C++ 
  • Experience with Git, Docker, cloud services, modern CI/CD practices and software/hardware integration 
  • Familiarity with bash and Linux
  • Excellent verbal and written communication skills 
  • Bachelor's degree, master's degree or PhD in computer science, computer engineering or related field
  • Passion for building next-generation space-sustainability technology
Additional Information

If you're passionate about our mission and believe you'd be an outstanding addition to our team, don't worry about checking every single box-or having a background solely in aerospace or defense. At Astroscale U.S., we're committed to fostering a diverse, inclusive, and open-minded environment. We embrace a wide range of perspectives, experiences, and ways of thinking. If you're excited about contributing to our work and think you'd thrive in this role, we encourage you to apply.
Salary range: $130,000 - $155,000. The salary range represents the low and high end of the Astroscale U.S. Inc. salary range for this position. Actual salaries will vary and may be above or below the range based on various factors including but not limited to experience, knowledge, and ability as applicable to the role.
The application deadline is May 26, 2026.

Please note Astroscale U.S. is a U.S. Government registered, export control compliant company, as such applicants should be a U.S. person or U.S. citizen.
Astroscale U.S. Inc. is an E-Verify employer.