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Sr Software Development Engineer In Test Jobs in Seattle, WA

Job Summary : ClifyX is seeking an SDET with Java experience to fill positions for a client in Seattle. The role requires extensive hands-on experience in Java development and developing test ...

SDET

Redmond, WA · On-site

$56 - $72.25/hr

Founded 1996 Title: SDET/C# Developer Location: Redmond, WA Duration: 6+ Months Experience: 2 to 8 years (all levels) * 5+ years of Experience in C#, .NET Framework, Web Services, and SQL * 5+ years ...

SDET

Seattle, WA · On-site

$57 - $73.50/hr

... SDET with noSql Background Location - Seattle, WA Duration - 6 months Experience Required: * Experience developing automated tests for microservices. * Experience developing integrated tests between ...

Must have development and strong AUTOMATION TESTING Software Development Engineer in Test (SDET). Primarily, the SDET is a software tester with expertise on writing code. It's an evolution from an ...

Bachelor's degree in Computer Science, Engineering, or a related field. * 8+ years of experience in software testing, QA automation, or SDET roles. * Strong experience in both manual testing and test ...

Bachelor's degree in Computer Science, Engineering, or a related field. * 8+ years of experience in software testing, QA automation, or SDET roles. * Strong experience in both manual testing and test ...

Bachelor's degree in Computer Science, Engineering, or a related field. * 8+ years of experience in software testing, QA automation, or SDET roles. * Strong experience in both manual testing and test ...

Bachelor's degree in Computer Science, Engineering, or a related field. * 8+ years of experience in software testing, QA automation, or SDET roles. * Strong experience in both manual testing and test ...

QA Test Analyst - SDET Location: Seattle, WA Length: 2 years Locals only F2F Mandatory Visa copy needed Qualifications: - 5+ years in QA Automation with an SDET background - Automation experience ...

Bachelor's degree in Computer Science, Engineering, or a related field. * 8+ years of experience in software testing, QA automation, or SDET roles. * Strong experience in both manual testing and test ...

Bachelor's degree in Computer Science, Engineering, or a related field. * 8+ years of experience in software testing, QA automation, or SDET roles. * Strong experience in both manual testing and test ...

Bachelor's degree in Computer Science, Engineering, or a related field. * 8+ years of experience in software testing, QA automation, or SDET roles. * Strong experience in both manual testing and test ...

Bachelor's degree in Computer Science, Engineering, or a related field. * 8+ years of experience in software testing, QA automation, or SDET roles. * Strong experience in both manual testing and test ...

Bachelor's degree in Computer Science, Engineering, or a related field. * 8+ years of experience in software testing, QA automation, or SDET roles. * Strong experience in both manual testing and test ...

Bachelor's degree in Computer Science, Engineering, or a related field. * 8+ years of experience in software testing, QA automation, or SDET roles. * Strong experience in both manual testing and test ...

Bachelor's degree in Computer Science, Engineering, or a related field. * 8+ years of experience in software testing, QA automation, or SDET roles. * Strong experience in both manual testing and test ...

Bachelor's degree in Computer Science, Engineering, or a related field. * 8+ years of experience in software testing, QA automation, or SDET roles. * Strong experience in both manual testing and test ...

Bachelor's degree in Computer Science, Engineering, or a related field. * 8+ years of experience in software testing, QA automation, or SDET roles. * Strong experience in both manual testing and test ...

Bachelor's degree in Computer Science, Engineering, or a related field. * 8+ years of experience in software testing, QA automation, or SDET roles. * Strong experience in both manual testing and test ...

Bachelor's degree in Computer Science, Engineering, or a related field. * 8+ years of experience in software testing, QA automation, or SDET roles. * Strong experience in both manual testing and test ...

Showing results 41-60

Sr Software Development Engineer In Test information

See Seattle, WA salary details

$25.6K

$142.9K

$186.1K

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

As of Sep 10, 2026, the average yearly pay for sr software development engineer in test in Seattle, WA is $142,892.00, according to ZipRecruiter salary data. Most workers in this role earn between $125,800.00 and $163,300.00 per year, depending on experience, location, and employer.

What is a Sr Software Development Engineer in Test?

A Sr Software Development Engineer In Test (Sr SDET) is a senior-level professional responsible for designing, developing, and maintaining automated test frameworks and tools to ensure the quality of software products. They work closely with developers and other QA team members to create robust testing strategies, identify defects, and improve the overall software development process. Sr SDETs have advanced programming skills, deep knowledge of test automation, and often mentor junior team members. Their goal is to enable efficient, reliable, and scalable automated testing throughout the software development lifecycle.

What are the key skills and qualifications needed to thrive as a Sr Software Development Engineer in Test?

To thrive as a Sr Software Development Engineer In Test, you need advanced programming skills (such as Java, Python, or C#), deep understanding of software testing methodologies, and a bachelor’s or master’s degree in computer science or a related field. Expertise with automation frameworks (like Selenium or Cypress), CI/CD tools (Jenkins, Git), and test management systems is typically required, along with certifications such as ISTQB being beneficial. Exceptional problem-solving abilities, attention to detail, and strong collaboration and communication skills distinguish standout professionals in this role. These competencies ensure the delivery of high-quality, reliable software products through efficient test automation and seamless teamwork.

What are some common challenges faced by a Sr Software Development Engineer in Test when working on large-scale projects?

Sr Software Development Engineers in Test (SDETs) often encounter challenges such as managing complex test automation frameworks, ensuring comprehensive test coverage for rapidly evolving codebases, and coordinating with multiple development and QA teams. Balancing the need for speed in continuous integration pipelines with maintaining high-quality standards can also be demanding. Additionally, SDETs are frequently responsible for mentoring junior testers and advocating for best testing practices across cross-functional teams, which requires strong communication and leadership skills.

What is the difference between Sr Software Development Engineer In Test vs Software Development Engineer In Test?

AspectSr Software Development Engineer In TestSoftware Development Engineer In Test
Required CredentialsBachelor's/Master's in CS or related, experience in automation testingBachelor's in CS or related, focus on automation skills
Work EnvironmentDesigns and develops complex test frameworks, leads testing initiativesDevelops and maintains test scripts, executes testing
Employer & Industry UsageUsed in tech companies, especially in QA and testing teamsCommon in software development companies, focusing on testing automation

The main difference is that a Sr Software Development Engineer In Test typically has more experience, leads testing efforts, and designs complex testing frameworks, while a Software Development Engineer In Test primarily focuses on developing and executing test scripts. Both roles require strong automation skills and are vital in ensuring software quality, but the senior role involves more leadership and strategic testing responsibilities.

What are popular job titles related to Sr Software Development Engineer In Test jobs in Seattle, WA?

For Sr Software Development Engineer In Test jobs in Seattle, WA, the most frequently searched job titles are:

What job categories do people searching Sr Software Development Engineer In Test jobs in Seattle, WA look for?

The top searched job categories for Sr Software Development Engineer In Test jobs in Seattle, WA are:

What cities near Seattle, WA are hiring for Sr Software Development Engineer In Test jobs?

Cities near Seattle, WA with the most Sr Software Development Engineer In Test job openings:

Infographic showing various Sr Software Development Engineer In Test job openings in Seattle, WA as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 14% Part Time, and 3% Contract. Highlights an 86% Physical, 3% Hybrid, and 11% Remote job distribution, with an average salary of $142,892 per year, or $68.7 per hour.

SDET with Java experience

Seattle, WA • On-site

ClifyX
Recruiting and Staffing Services • 51 - 200 employees

Full-time

Re-posted 20 days ago


Job description

Job Summary:
ClifyX is seeking an SDET with Java experience to fill positions for a client in Seattle. The role requires extensive hands-on experience in Java development and developing test automation frameworks.
Responsibilities:
• Look for only 10+years
• We need to staff a couple SDET positions for one of our clients based in Seattle.
• The client is looking for profiles with 8+ years of strong hands-on experience in Java development and experience in developing test automation frameworks.
• The candidates will have to undergo an intensive client interview which would involve whiteboarding and writing of code.
• Could you please help to share any suitable profiles that would match the skillset.
Qualifications:
Required:
• 10+ years of experience
• 8+ years of strong hands-on experience in Java development
• Experience in developing test automation frameworks
• Ability to undergo an intensive client interview involving whiteboarding and writing of code
Company:
ClifyX provides innovative business solutions which satisfy requirements for mission-critical reliability, scalability, interoperations. Founded in 1998, the company is headquartered in South Plainfield, USA, with a team of 501-1000 employees. The company is currently Late Stage.

ClifyX logo

About ClifyX

Sourced by ZipRecruiter

ClifyX is a well-established player in the IT Services sector that specializes in providing result-oriented technological solutions to a wide range of industrial verticals. Based in South Plainfield, New Jersey, ClifyX offers a comprehensive selection of IT services that include project staffing, application development, professional consulting, and other IT-based solutions. While the company's website, clifyx.com, does not divulge the exact founding date, it is clear that ClifyX has grown into a renowned name within their domain, thanks to their unwavering commitment to innovative practices. The company's mission statement revolves around harnessing the power of technology to assist their clientele in steering their respective businesses towards success.

Industry

Recruiting and staffing services

Company size

51 - 200 Employees

Headquarters location

South Plainfield, NJ, US

Year founded

1998