Senior Software Development Engineer In Test Jobs
Senior Software Development Engineer In Test jobs are open across enterprise software, cloud infrastructure, fintech, and healthtech, at every level from mid-level to staff and principal, with specializations in test automation frameworks, continuous integration pipelines, and performance and reliability engineering. Find a role that fits from the openings below and apply directly.
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(Neoitek Systems, Inc. has multiple openings in Totowa, NJ) Software Quality Test Engineer: Design, develop, and execute test plans, test cases, and automated scripts to identify software defects. Perform functional, regression, integration, and performance testing of software applications. Document, track, and verify software defects using testing tools. Collaborate with developers and business analysts to ensure software quality and compliance with requirements. Utilize Selenium, JUnit, Jenkins, JIRA, and AWS. Will work in various unanticipated locations throughout the U.S. Requires Master’s in Computer Science, Engineering, or related and 1 year experience. Email resume to hr@neoiteksys.com.
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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 development engineer in test jobs.
- 5 or more years of software development engineer in test or SDET experience
- Proficiency in at least one automation language such as Java, Python, or TypeScript
- Hands-on experience with CI/CD tools such as Jenkins, GitHub Actions, or CircleCI
- Experience designing and maintaining large-scale automated test frameworks from scratch
- Familiarity with cloud platforms such as AWS, Azure, or Google Cloud for test environments
- Strong understanding of API testing, contract testing, and service-level reliability concepts
Tips for Your Senior Software Development Engineer In Test Job Search
Quantify your test automation impact
Hiring managers want numbers, not just tool names. Replace 'built automated test suites' with specifics like the number of test cases automated, reduction in regression cycle time, or defect escape rates your work improved. That specificity separates your resume from generic SDET applicants.
Highlight framework authorship over tool usage
Senior roles expect you to design and own testing infrastructure, not just use Selenium or Pytest. Emphasize frameworks you architected from scratch, patterns you introduced, or CI pipelines you built. Listing tools without ownership context reads as a junior profile.
Apply early to roles that fit
Migrate Mate lists senior software development 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.
Filter openings by tech stack alignment
Your automation language matters more than your testing philosophy at the senior level. If your strongest experience is in Java with TestNG, target JVM-heavy backend teams rather than applying broadly. Mismatched stack fit is one of the fastest reasons senior SDET applications are screened out early.
Prepare a systems design answer for testing
Most senior SDET interviews include a question about how you'd design a test strategy for an entire product or service from scratch. Practice walking through scope, risk prioritization, toolchain choices, and coverage tradeoffs out loud before your interview, not just on paper.
Negotiate scope, not just compensation
At the senior level, what you own matters as much as what you earn. During offer discussions, clarify whether you'll lead test strategy, influence engineering standards, or mentor junior engineers. Getting clarity on scope now prevents a mismatch between the title and the actual role.
Senior Software Development Engineer In Test Jobs: Frequently Asked Questions
Which companies are hiring the most senior software development engineer in tests?
The companies hiring the most senior software development 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 strongest at companies scaling cloud-native products and those undergoing rapid platform modernization.
How many senior software development engineer in test jobs are remote?
About 64% of senior software development engineer in test openings are fully remote or hybrid as of November 2026, making it one of the more location-flexible senior engineering roles. Test automation and CI/CD pipeline work in particular skews remote, since those responsibilities are tool-driven and asynchronous by nature.
How do you become a senior software development engineer in test?
You typically reach the senior level by first building strong software development fundamentals, then specializing in test automation architecture, CI/CD integration, and cross-team quality strategy. Moving up requires demonstrating that you can design testing systems, not just write tests, and that you influence engineering practices beyond your immediate team.
Can you get hired as a senior software development engineer in test with limited experience?
Breaking into a senior SDET role with limited experience is difficult but possible if you can demonstrate framework ownership through open-source contributions, personal projects, or contract work. Companies focused on teams rebuilding legacy test infrastructure sometimes prioritize strong automation instincts over years of tenure, especially if you can show a working example of a framework you built.
What does the senior software development engineer in test interview process look like?
The process typically starts with a recruiter screen, followed by a technical phone interview covering coding and automation concepts. Later rounds usually include a take-home or live coding challenge focused on test framework design, a system design round specific to quality architecture, and a behavioral round assessing cross-functional collaboration and engineering influence.
Where can I find and apply to senior software development engineer in test jobs?
You can find and apply to senior software development 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 stack, then apply directly to each one that fits.
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