Senior Software Engineer In Test Jobs
Senior Software Engineer In Test jobs are open across enterprise software, fintech, healthtech, and cloud infrastructure, from mid-level to staff and principal, with specializations in test automation frameworks, CI/CD pipeline quality, and performance testing. Find a role that fits from the openings below and apply directly.
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Job Description
Key Management Services LLC is seeking a Software Engineer in Test to support software quality through automated testing, functional validation, and reliable test processes. The ideal candidate will combine software development skills with a strong understanding of testing practices to help deliver stable, high-quality applications.
Key Responsibilities
- Design, develop, and maintain automated test scripts.
- Perform functional, regression, and integration testing.
- Identify, document, and troubleshoot software defects.
- Collaborate with developers and QA teams to improve product quality.
- Integrate automated tests into CI/CD pipelines.
- Review test results and recommend improvements to testing processes.
Requirements
- Bachelor's degree in Computer Science, Software Engineering, or a related field.
- Experience in software testing or test automation.
- Proficiency in Python, Java, or JavaScript.
- Familiarity with Selenium, Playwright, or similar testing tools.
- Understanding of APIs, databases, and software development workflows.
- Strong analytical and problem-solving skills.
Benefits
Potential benefits may include health insurance, paid time off, retirement savings, and professional development, depending on company policy and eligibility.
About the Company
Key Management Services LLC is the employer name provided for this listing. Confirm the company's business operations and its connection to software engineering before publishing.
Pay: $95,000.00 - $125,000.00 per year
Benefits:
- Dental insurance
- Employee assistance program
- Flexible schedule
- Parental leave
- Relocation assistance
- Retirement plan
- Tuition reimbursement
Work Location: In person
Senior Software Engineer In Test Jobs by Experience Level
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Find JobsSenior Software Engineer In Test Job Market
Who's Hiring
- Syms Strategic Group, LLC (SSG)26
- Northrop Grumman24
- Lockheed Martin12
- TikTok10
- BAE Systems USA10
Top Industries Hiring
- Technology & Software38
- Aerospace & Defense7
- Manufacturing6
- Science & Research4
- Consulting & Professional Services4
What Employers Look For
The qualifications that appear most often in senior software engineer in test jobs.
- 5 or more years of hands-on experience building and maintaining automated test frameworks
- Proficiency in at least one automation language such as Java, Python, or TypeScript
- Experience with CI/CD tools including Jenkins, GitHub Actions, or CircleCI
- Familiarity with API testing tools such as Postman, RestAssured, or Karate
- Strong understanding of Agile or Scrum development processes and sprint-based release cycles
- Bachelor's degree in computer science, software engineering, or a related technical field
Tips for Your Senior Software Engineer In Test Job Search
Quantify your automation framework contributions
Hiring managers want to see ownership, not participation. Instead of listing tools you used, describe the frameworks you built or scaled, how many test suites they covered, and how they reduced release cycle defects. That specificity separates senior candidates from mid-level ones.
Apply early to roles that fit
Migrate Mate lists senior software engineer in test openings from across the United States in one place, so you can find roles that match and apply directly to each listing.
Tailor your resume to the testing layer
Job descriptions split between UI automation, API testing, and infrastructure-level quality engineering. Align your resume's skills section to match the layer the role emphasizes. A resume heavy on Selenium when the job is about contract testing with Pact rarely clears the initial screen.
Filter openings by CI/CD stack, not just title
Many senior software engineer in test roles are embedded in specific platform teams. Searching by tools like GitHub Actions, Jenkins, or Buildkite alongside the job title surfaces openings that actually match your day-to-day experience and give you concrete talking points in the interview.
Prepare a system design answer for test architecture
Senior-level interviews frequently include a system design round focused on test infrastructure rather than application architecture. Practice explaining how you would design a scalable end-to-end test suite for a distributed system, including parallelization, flakiness management, and reporting integration.
Negotiate scope before negotiating compensation
In offers for senior software engineer in test roles, the team structure matters as much as pay. Before accepting, clarify whether you own the test platform, embed on feature teams, or both. Scope directly affects your growth path and the strength of your portfolio in two years.
Senior Software Engineer In Test Jobs: Frequently Asked Questions
Which companies are hiring the most senior software engineer in tests?
The companies hiring the most senior software engineer in tests right now include Syms Strategic Group, LLC (SSG), Northrop Grumman, and Lockheed Martin, with the largest share of openings in California, Texas, and Massachusetts, based on current listings on Migrate Mate as of November 2026. Demand is concentrated in companies with large distributed systems and frequent release cycles.
How many senior software engineer in test jobs are remote?
About 64% of senior software engineer in test openings are fully remote or hybrid as of November 2026, making it one of the more remote-accessible engineering specializations. Roles focused on API and backend test automation tend to be the most remote-friendly, while positions tied to hardware, device testing, or on-site release trains are more likely to require an in-person presence.
How do you become a senior software engineer in test?
You typically start as a software engineer in test or QA automation engineer, building proficiency in at least one scripting language and a mainstream automation framework. Over time you take ownership of framework architecture decisions, mentor junior testers, and integrate quality tooling into CI/CD pipelines. Demonstrating that you can set quality strategy across a team, not just write tests, is what makes the jump to senior level credible to hiring managers.
Can you get hired as a senior software engineer in test without direct senior-level experience?
Yes, if you can demonstrate senior-level impact through the work itself rather than the title. Candidates who have architected an automation framework from scratch, reduced flaky test rates significantly on a complex codebase, or led a migration from one testing tool stack to another often get considered for senior roles even without a prior senior title. A portfolio with concrete before-and-after outcomes carries more weight than years of experience alone.
What does the senior software engineer in test interview process look like?
Most processes start with a recruiter screen followed by a technical phone interview covering automation fundamentals and debugging scenarios. A take-home or live coding round typically asks you to write or extend a test framework in your language of choice. Later rounds include a system design session focused on test infrastructure architecture and a cross-functional interview with engineers or product managers to assess collaboration style and quality philosophy.
Where can I find and apply to senior software engineer in test jobs?
You can find and apply to senior software engineer in test jobs on Migrate Mate, which lists current openings from across the United States. Search the listings to find roles that match your experience and specialization, then apply directly to each one that fits.
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