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Senior Software Development Engineer In Test Jobs in Castle Rock, CO

As a Senior Software Engineer, you will play a critical role in designing, developing, and ... Mobile Development: Utilize your expertise in Xamarin to develop mobile applications for iOS and ...

Senior Software Test Engineer

Denver, CO · On-site

$130K - $155K/yr

S. Inc. is currently seeking a Senior Software Test Engineer to join the team in our Denver ... Rapidly prototype software to prove out design concepts and participate in development of hardware ...

Sr. Software Engineer - Accounting

Denver, CO · On-site +1

$126K - $166K/yr

Engineers work in small, focused, cross-functional teams comprised of a product manager, user ... Use test-driven development, code reviews, and continuous integration to deliver high-quality ...

Software Engineer, Senior

Aurora, CO · On-site

$87 - $198/hr

As a Senior Software Engineer, you will lead a software team in high-velocity Agile development of mission planning, automated mission tasking, deconfliction, replanning, plus more backlog items. You ...

Senior Software Engineer (Onsite)

Aurora, CO · On-site

$124K - $163K/yr

... in an Agile environment. Responsibilities : • Design, develop, test, deliver, and maintain ... development lifecycle experience using the SAFe Agile methodology. • Experience with ...

Senior Software Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team ... AFRL plays an integral role in leading the discovery, development, and integration of affordable ...

Showing results 41-60

Senior Software Development Engineer In Test information

See Castle Rock, CO salary details

$23.5K

$130.9K

$170.5K

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

As of Aug 15, 2026, the average yearly pay for senior software development engineer in test in Castle Rock, CO is $130,936.00, according to ZipRecruiter salary data. Most workers in this role earn between $115,200.00 and $149,600.00 per year, depending on experience, location, and employer.

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 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 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 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.

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

Cities near Castle Rock, CO with the most Senior Software Development Engineer In Test job openings:

Infographic showing various Senior Software Development Engineer In Test job openings in Castle Rock, CO as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 13% Part Time, and 4% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $130,936 per year, or $63 per hour.

Software Development Engineer

Blue Origin

Denver, CO

$150K - $211K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 8 days ago


Blue Origin rating

8.7

Company rating: 8.7 out of 10

Based on 91 frontline employees who took The Breakroom Quiz

18th of 72 rated aerospace companies


Job description

Application close date:

Applications will be accepted on an ongoing basis until the requisition is closed.

At Blue Origin, we envision millions of people living and working in space for the benefit of Earth. We're working to develop reusable, safe, and low-cost space vehicles and systems within a culture of safety, collaboration, and inclusion. Join our team of problem solvers as we add new chapters to the history of spaceflight!

This role is part of the Lunar Permanence business unit, which develops Blue Origin's Blue Moon landers and related products. To further Blue Origin's mission of millions of people living and working in space for the benefit of Earth, we are building sustainable infrastructure for our transport of crew and cargo from Earth to the lunar surface.

As part of ahardworking team ofengineers,you willwork with various subsystem stakeholders to produce and manage the software architectureforthe Blue Transporterspacecraftwithin the Lunar Permanence business unit. Youand yourteammateswill be tasked with ensuring mission success of the lunar vehicles'safety-critical, performant flight software. You will proactively engage withthe leads and engineersof different subsystems, including both software and hardware.You willguide the software team's technical decisions using the input ofa set of stakeholders and provide the rationale behind these decisions.You will draft, review, revise, and publish documents that outline these decisions and provide a credibleplan for implementing flight software that completes the Lunar Permanence missionobjectives.You willreport to theFlight Software Integrated Product Lead.A strong applicant willdemonstratean ability to understand theneeds ofourstakeholders andsimultaneouslyrepresent the capabilities ofourFlight Software team well.This attribute is particularly important to ensure thatour team avoidsover-promising and under-delivering.

Youwill work directly with NASA and our National Team Partners as part of the Human Landing System (HLS) Sustaining Lunar Development (SLD) program.Youwill play a key role indeveloping the Lunar Transportation system that will return humans to the Moon andextendhuman presence permanently beyond the bounds of Earth.

We are looking for someone to apply their technicalexpertise,leadership skills,and commitment toquality to positivelyimpactsafe human spaceflight.Passion for our mission and visionisrequired!

Qualifications:

  • Bachelor's degree in computer science, electrical engineering, computer engineering,aeronautics,or a related field with a minimum of6years of relevant experience, oramaster'sdegreeor a PhD degreewith a minimum of3years of relevant experience

  • Priorexperience working in spaceflight or other safety-criticalindustries

  • Priorexperienceinembedded systemssoftware engineering

  • Proficiencyinwriting requirements and usingJamaorasimilartool

  • Experience with Jira or a similar activity management tool

  • Excellent written and spoken communication skills

  • Prior experience usingGenerative AI tools for programming and process improvement

Desired:

  • Experience with NPR 7150, DO-178,or other similar standards

  • Experience withthe agilemethodology

  • Experience with C, C++, Rust, or other embedded programming languages

  • Experience with cFS or other flight software frameworks

  • Experience withorbital vehicles or in-space systems


Base Pay Range for:

CO applicants is $150,931.00 - $211,303.05 WA applicants is $164,652.00 - $230,512.80

Other site ranges may differ

Culture Statement

Don't meet all desired requirements? Studies have shown that some people are less likely to apply to jobs unless they meet every single desired qualification. At Blue Origin, we are dedicated to building an authentic workplace, so if you're excited about this role but your past experience doesn't align perfectly with every desired qualification in the job description, we encourage you to apply anyway. You may be just the right candidate for this or other roles.

Export Control Regulations

Applicants for employment at Blue Origin must be a U.S. citizen or national, U.S. permanent resident (i.e. current Green Card holder), or lawfully admitted into the U.S.as a refugee or granted asylum.

Background Check

  • Required for all positions: Blue's Standard Background Check

  • Required for Certain Job Profiles: Defense Biometric Identification System (DBIDS) background check if at any time the role requires one to be on a military installation

  • Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs. and/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training.

  • Required for certain Job Profiles: Ability to obtain and maintain Merchant Mariner Credential, which includes pre-employment and random drug testing as well as DOT physical

Benefits

  • Benefits include: Medical, dental, vision, basic and supplemental life insurance, paid parental leave, short and long-term disability, 401(k) with a company match of up to 5%, and an Education Support Program.

  • Stock Options for all regular employees (working at least 20 hours/week)

  • Paid Time Off: Up to four (4) weeks per year based on weekly scheduled hours, and up to 14 company-paid holidays.

  • Dependent on role type and job level, employees may be eligible for benefits and bonuses based on the company's intent to reward individual contributions and enable them to share in the company's results, or other factors at the company's sole discretion. Bonus amounts and eligibility are not guaranteed and subject to change and cancellation. Please check with your recruiter for more details.

Equal Employment Opportunity

Blue Origin is proud to be an Equal Opportunity/Affirmative Action Employer and is committed to attracting, retaining, and developing a highly qualified and dedicated work force. Blue Origin hires and promotes people on the basis of their qualifications, performance, and abilities. We support the establishment and maintenance of a workplace that fosters trust, equality, and teamwork. We provide all qualified applicants for employment and employees with equal opportunities for hire, promotion, and other terms and conditions of employment, regardless of their race, color, religion, sex, sexual orientation, gender identity, national origin/ethnicity, age, physical or mental disability, genetic factors, military/veteran status, or any other status or characteristic protected by federal, state, and/or local law. Blue Origin will consider for employment qualified applicants with criminal histories in a manner consistent with applicable federal, state, and local laws, including the Washington Fair Chance Act, the California Fair Chance Act, the Los Angeles Fair Chance in Hiring Ordinance, and other applicable laws. For more information on "Know Your Rights," please see here.

Affirmative Action and Disability Accommodation

Applicants wishing to receive information on Blue Origin's Affirmative Action Plans, or applicants requiring a reasonable accommodation in order to participate in the application and/or interview process, please contact us atEEOCompliance@blueorigin.com. Please note this is a publicly managed inbox. Please do not include any personal medical information in your request.


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Blue Origin logo

About Blue Origin

Sourced by ZipRecruiter

Blue Origin is a private aerospace manufacturing and suborbital spaceflight services company based in Kent, Washington, USA. Established in 2000 by Amazon founder Jeff Bezos, the company operates in the cutting-edge aerospace industry aiming to build a future where millions of people can live and work in space. They develop a variety of technologies, with a focus on reusable rocket systems which significantly reduce the cost of space travel. Blue Origin's core mission is to make this vision come to life by incrementally building on its successes with an ultimate vision of dramatic cost reduction and increased reliance on reusable spacecraft.

Industry

Space research administration

Company size

1,001 - 5,000 Employees

Headquarters location

Kent, WA, US

Year founded

2000