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Senior Software Test Engineer Sdet Jobs (NOW HIRING)

Senior Software Engineer in Test (SDET)

$113K - $146K/yr

As a Sr. Software Development Engineer in Test (SDET), you will play a critical role in ensuring the quality and reliability of our software products through the design, development, and execution of ...

Sr SDET

Reston, VA · On-site

$115K - $149K/yr

Senior SDET (Automation Testing) | Hybrid | Reston, VA We are seeking a Senior Software Development Engineer in Test (SDET) with strong expertise in UI, Web Services, and Mobile Test Automation to ...

DEGREE (Level Desired) Bachelor's Degree DEGREE (Focus) Test Automation Engineer, Quality Assurance Engineer, Automation Tester, Software Test Engineer, QA Automation Specialist, SDET (Software ...

Automated Test Engineer

Tysons, VA · On-site

$46.25 - $61/hr

DEGREE (Level Desired) Bachelor's Degree DEGREE (Focus) Test Automation Engineer, Quality Assurance Engineer, Automation Tester, Software Test Engineer, QA Automation Specialist, SDET (Software ...

Automated Test Engineer

Chantilly, VA · On-site

$47.50 - $62.75/hr

DEGREE (Level Desired) Bachelor's Degree DEGREE (Focus) Test Automation Engineer, Quality Assurance Engineer, Automation Tester, Software Test Engineer, QA Automation Specialist, SDET (Software ...

Sr ETL SDET

Seattle, WA · On-site

$57 - $73.50/hr

Job Title: Sr SDET Location: Seattle, WA & Vancouver, Canada - Hybrid - Onsite Duration: 12+ Months Contract. Exp: 12+ Years A Passport number is mandatory at the time of submission for H1B/EAD ...

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Senior Software Test Engineer Sdet information

See salary details

$22.5K

$125.6K

$163.5K

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

As of Sep 8, 2026, the average yearly pay for senior software test engineer sdet in the United States is $125,561.00, according to ZipRecruiter salary data. Most workers in this role earn between $110,500.00 and $143,500.00 per year, depending on experience, location, and employer.

What does a senior software test engineer SDET do?

A Senior Software Test Engineer SDET (Software Development Engineer in Test) is responsible for designing, developing, and executing automated tests to ensure the quality of software products. They collaborate closely with developers and product teams to identify test requirements, create testing strategies, and build robust automation frameworks. In addition to writing and running automated test scripts, they may also mentor junior testers, review code, and contribute to improving overall software quality processes.

What are the key skills and qualifications needed to thrive as a senior software test engineer SDET, and why are they important?

To thrive as a Senior Software Test Engineer SDET, you need a solid background in software development, test automation, quality assurance, and strong programming skills, often supported by a degree in computer science or a related field. Familiarity with tools and frameworks like Selenium, JUnit, TestNG, Jenkins, and cloud platforms, along with certifications such as ISTQB, is highly beneficial. Exceptional analytical thinking, problem-solving abilities, and effective communication skills set top performers apart in this role. These competencies ensure the delivery of robust, high-quality software products through efficient testing and seamless collaboration with development teams.

How does a senior software test engineer SDET typically collaborate with development and product teams during the software development lifecycle?

As a Senior Software Test Engineer SDET, you will work closely with both development and product teams throughout the software development lifecycle. Your responsibilities often include participating in requirement reviews, providing input on testability, and designing test strategies alongside developers. You’ll also collaborate to identify potential risks early, automate test cases, and ensure continuous integration pipelines are robust. This role requires strong communication skills and the ability to advocate for quality while balancing project timelines and priorities.

What is the difference between Senior Software Test Engineer Sdet vs Software Development Engineer in Test (SDET)?

AspectSenior Software Test Engineer SdetSoftware Development Engineer in Test (SDET)
CredentialsTypically requires a QA or testing certification, with experience in automation toolsOften requires a software engineering degree and programming skills
Work EnvironmentFocuses on testing, automation, and quality assurance within development teamsInvolves designing and developing testing frameworks, often with coding responsibilities
Industry UsageCommonly used in software companies emphasizing quality assurancePopular in tech firms integrating development and testing roles
Comparison FocusPrimarily testing and automation expertiseCombines development and testing skills, emphasizing automation development

While both roles focus on automation and quality, Senior Software Test Engineer Sdet emphasizes testing expertise, whereas SDET involves a stronger programming and development component in creating testing tools and frameworks.

What cities are hiring for Senior Software Test Engineer Sdet jobs?

Cities with the most Senior Software Test Engineer Sdet job openings:

What are the most commonly searched types of Software Test Engineer Sdet jobs?

The most popular types of Software Test Engineer Sdet jobs are:

What states have the most Senior Software Test Engineer Sdet jobs?

States with the most job openings for Senior Software Test Engineer Sdet jobs include:

Infographic showing various Senior Software Test Engineer Sdet job openings in the United States as of June 2026, with employment types broken down into 92% Full Time, and 8% Part Time. Highlights an 93% Physical, 1% Hybrid, and 6% Remote job distribution, with an average salary of $125,561 per year, or $60.4 per hour.

Senior Software Development Engineer in Test (SDET)

NJM Insurance Group

Trenton, NJ • On-site

$109K - $126K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 15 hours ago


Job description

The Senior Software Development Engineer in Test (SDET) is responsible for designing, developing, and maintaining automated testing frameworks/solutions that ensure the quality, reliability, and performance of NJM's business applications. The SDET will work closely with developers, quality engineers, and solution owners to embed quality throughout the software development lifecycle.
Essential Duties and Responsibilities:
  • Design, develop, and maintain automated test frameworks and test scripts for web, mobile, and API-based applications
  • Write robust, scalable, and reusable test code using industry-standard tools and programming languages
  • Collaborate with software engineers and quality engineers to define shift-left test approaches with automation embedded throughout the delivery cycle.
  • Participate in code reviews, providing feedback on testability, quality, and automation coverage
  • Execute and analyze automated, manual, regression, smoke, integration, and performance tests
  • Integrate automated tests into CI/CD pipelines to support continuous testing
  • Monitor test execution results and provide clear reporting on quality metrics
  • Contribute to test data management, environment setup, and test infrastructure improvements
  • Support users including training, mentoring and troubleshooting
  • Experience working in Agile development environments.
  • Strong written and verbal communication skills across technical and non-technical audiences

Required Qualifications:
  • 7+ years of experience in software delivery, including 5+ years in Quality Engineering, software development and building test automation tools and frameworks
  • Bachelor's degree in computer science or equivalent professional experience.
  • Strong foundation in Quality Engineering principles and advanced testing methodologies.
  • Hands-on experience with test automation tools (e.g., Selenium, Playwright, Cypress, TestNG, JUnit, NUnit)
  • Experience testing APIs using tools/frameworks such as Postman, RestAssured, or similar
  • Strong experience with software testing and test automation methodologies
  • Expertise in at least one programming language such as Java, .Net, Python, C#, or JavaScript
  • Experience with version control systems (e.g., Git)

Preferred Qualifications:
  • Experience with performance and load testing tools like NeoLoad and JMeter
  • Experience with cloud platforms
  • Experience with Docker, Kubernetes, or container-based testing
  • Experience using AI tools and technology to assist with automated tests.
  • Knowledge of BDD frameworks

Compensation: Salary is commensurate with experience and credentials.
Pay Range: $109,200-$126,922
Eligible full-time employees receive a competitive Total Rewards package, including but not limited to a 401(k) with employer match up to 8% and additional service-based contributions, Health, Dental, and Vision insurance, Life and Disability coverage, generous PTO, Paid Sick Leave, and paid parental leave in addition to state-mandated leave. Employees may also be eligible for discretionary bonuses.
Legal Disclaimer: NJM is proud to be an equal opportunity employer. We are committed to attracting, retaining and promoting a diverse and inclusive workforce that is fully representative of the diversity that exists in the communities in which we do business.