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Software Test Engineer Jobs in Colorado (NOW HIRING)

Astroscale U.S.

Senior Software Test Engineer

Denver, CO · On-site

$130K - $155K/yr

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 ...

Astroscale U.S.

Senior Software Test Engineer

Denver, CO · On-site

$130K - $155K/yr

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 ...

EchoStar

Senior Software Test Engineer

Englewood, CO

$96K - $137K/yr

The Senior Software Test Engineer drives the continuous evolution of test automation frameworks to accelerate release cycles while ensuring flawless application performance. By building robust ...

EchoStar

Senior Software Test Engineer

Englewood, CO · On-site

$96K - $137K/yr

The Senior Software Test Engineer drives the continuous evolution of test automation frameworks to accelerate release cycles while ensuring flawless application performance. By building robust ...

EchoStar

Senior Software Test Engineer

Englewood, CO · On-site

$109K - $141K/yr

The Senior Software Test Engineer drives the continuous evolution of test automation frameworks to accelerate release cycles while ensuring flawless application performance. By building robust ...

EchoStar

Software Test Engineer II

Littleton, CO · On-site

$98K/yr

Job Duties and Responsibilities Software Test Engineer II sought by DISH Wireless, LLC in Littleton, CO. Analyze system requirements for various computer system modules. Collaborate with agile ...

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EchoStar

Software Test Engineer II

Littleton, CO · On-site

$98K/yr

Job Duties and Responsibilities Software Test Engineer II sought by DISH Wireless, LLC in Littleton, CO. Analyze system requirements for various computer system modules. Collaborate with agile ...

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How much do software test engineer jobs pay per hour?

As of Jul 1, 2026, the average hourly pay for software test engineer in Colorado is $54.10, according to ZipRecruiter salary data. Most workers in this role earn between $44.23 and $61.68 per hour, depending on experience, location, and employer.

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

To thrive as a Software Test Engineer, you need a solid understanding of software development life cycles, test methodologies, and proficiency in programming languages such as Python or Java, often supported by a degree in computer science or related fields. Familiarity with automation tools like Selenium, JUnit, or TestNG, and knowledge of bug tracking systems such as Jira are typically required. Attention to detail, analytical thinking, and effective communication set standout engineers apart by enabling thorough defect identification and clear reporting. These skills and qualities are crucial for ensuring software reliability, meeting quality standards, and facilitating smooth collaboration across development teams.

What Is a Software Test Engineer?

A software test engineer conducts quality assurance tests on software to make sure programs are functioning properly. The three types of testing strategies are black box, where the tester is not familiar with the software, white box, where the tester is aware of the software’s internal structure, and gray box, which is a combination of the two. Responsibilities in this job include running diagnostic tests with a critical mindset, assessing the functionality, and reporting the findings.

What are some common challenges faced by Software Test Engineers when working with cross-functional development teams?

Software Test Engineers often encounter challenges such as aligning testing timelines with rapid development cycles, ensuring clear communication of bugs and requirements, and adapting to evolving project priorities. Collaborating closely with developers, product managers, and UX designers requires proactive communication and flexibility, especially when dealing with ambiguous requirements or shifting deadlines. To succeed, it's important to maintain detailed documentation, participate actively in agile ceremonies, and foster a collaborative attitude to resolve issues efficiently and ensure high-quality software releases.

What are Software Test Engineers?

Software Test Engineers are professionals responsible for evaluating software applications to ensure they function correctly and meet specified requirements. They design, develop, and execute test plans and cases, identify bugs or issues, and work closely with developers to resolve them. Their goal is to maintain software quality by detecting problems early in the development process, whether through manual or automated testing methods. Software Test Engineers often use specialized tools and frameworks to streamline testing and improve product reliability.

What is the difference between Software Test Engineer vs QA Analyst?

AspectSoftware Test EngineerQA Analyst
CertificationsISTQB, CSTE, CSQAISTQB, CSTE, CSQA
Work EnvironmentDevelopment teams, testing labsQuality assurance departments, testing labs
Industry UsageSoftware companies, tech firmsSoftware companies, IT organizations
Primary FocusDesigning, executing tests, automationTest planning, process improvement, documentation

Both roles often require similar certifications and work in software testing environments within tech industries. The Software Test Engineer typically focuses on test case development, automation, and execution, while the QA Analyst emphasizes test planning, quality processes, and documentation. Understanding these distinctions helps organizations assign the right responsibilities and professionals for their testing needs.

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Software Test Engineer jobs near you

Senior Software Test Engineer

Astroscale U.S.

Denver, CO

Full-time

Posted 19 days ago

Be an early applicant

Key responsibilities

  • Develop and execute test plans and test cases for software and hardware systems.

  • Lead test campaigns spanning spacecraft flight and ground systems.

  • Create and execute system level verification, validation, integration, and test plans.

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 July 5, 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.