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Senior Software Development Engineer In Test Jobs in Bellevue, WA

Comtech, LLC

Performance SDET

Seattle, WA · On-site

Performance SDET Location - Seattle, WA - Prefer Local candidates only Strong Performance engineering concepts, strong aptitude for Performance test planning, identifying performance requirements ...

360 IT Professionals

SDET- Automation

Seattle, WA

Role: SDET- Automation Location: Seattle WA Number of openings: 10 roles Interview: Skype & End client Skype Objective: We're currently searching for engaged SDETs who have knowledge and hands-on ...

krg technology inc

SDET

Redmond, WA

$56 - $72.25/hr

Good experience in C#/.Net Programming/Automation and SQL b. Experience in Test automation ... in Scrum development process: standups, grooming, sizing, sprint planning. Thoroughly log and ...

krg technology inc

SDET

Redmond, WA · On-site

$56 - $72.25/hr

Testing in support of verification includes driver stability, HLK, application compatibility and ... Qualifications 1-3 plus years software testing experience 1 year development using a Microsoft ...

Stoke Space

Software Developer Engineer in Test

Kent, WA

$97K - $145K/yr

We're seeking a Software Development Engineer in Test to evolve our flagship software platform, Boltline, which enables teams to build and validate advanced hardware with complete traceability. As a ...

Comtech, LLC

Sr IOS SDET

Seattle, WA

$159K/yr

... . Sr. iOS SDET Note: Need local as in-person interview is required Qualifications Summary of Key Responsibilities: Responsibilities and essential job functions include but are not limited to the ...

Collabera

SDET/ Automation Engineer

Bellevue, WA

Job Title: SDET/ Automation Engineer Location: Madison, WI or Bellevue, WA Duration: 6 Months (Could go beyond) Basic Function: Develop automated acceptance tests focused around user clinical ...

Comtech, LLC

SDET

Seattle, WA

$57 - $73.50/hr

... developers and whoever (internal and external) provides the API gateways in testing and debugging the applications. The team consists of 6-7 individuals, with possibly 2 total testers. Test plan and ...

Comtech, LLC

Performance SDET

Seattle, WA · On-site

Performance SDET Location : Seattle, WA - Local Candidates required Duration : 12 months Interview Mode : Strong Performance engineering concepts, strong aptitude for Performance test planning ...

Comtech, LLC

SDET with JavaScript

Seattle, WA · On-site

Position : SDET with JavaScript Location - Seattle, WA ( Local Candidates only ) Duration - 12 months : Top 3: 1. JavaScript experience is the most important 2. Experience with a Protractor, (or ...

krg technology inc

SDET

Redmond, WA · On-site

$56 - $72.25/hr

Position 2: * WiFi, WiFi Direct, Device Driver, N/W Cellular Experience Position 3: * Looking for someone good in Coding and Testing Qualifications Testing Additional Information All your information ...

Comtech, LLC

SDET with JavaScript Experience

Seattle, WA · On-site

... SDET with JavaScript Experience Location - Seattle, WA - Local Candidates only. Duration - 12 months 1. JavaScript experience is the most important 2. Experience with a Protractor, (or, these are ok ...

Blue Origin

Senior Software Development Engineer

Seattle, WA · On-site

$139K - $183K/yr

At Blue Origin, we envision millions of people living and working in space for the benefit of Earth ... to design, test, and deliver software every day. From source control to CI/CD to artifact ...

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Senior Software Development Engineer In Test information

See Bellevue, WA salary details

$25.4K

$141.7K

$184.5K

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

As of Aug 7, 2026, the average yearly pay for senior software development engineer in test in Bellevue, WA is $141,713.00, according to ZipRecruiter salary data. Most workers in this role earn between $124,700.00 and $162,000.00 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 are popular job titles related to Senior Software Development Engineer In Test jobs in Bellevue, WA? For Senior Software Development Engineer In Test jobs in Bellevue, WA, the most frequently searched job titles are:
What job categories do people searching Senior Software Development Engineer In Test jobs in Bellevue, WA look for? The top searched job categories for Senior Software Development Engineer In Test jobs in Bellevue, WA are:
What cities near Bellevue, WA are hiring for Senior Software Development Engineer In Test jobs? Cities near Bellevue, WA with the most Senior Software Development Engineer In Test job openings:
Senior Software Development Engineer In Test jobs near you
Infographic showing various Senior Software Development Engineer In Test job openings in Bellevue, WA as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 15% Part Time, and 3% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $141,713 per year, or $68.1 per hour.

Performance SDET

Comtech, LLC

Seattle, WA • On-site

Full-time

Re-posted 3 days ago

Job description

Company Description

Comtech LLC is a woman-owned small business focused on delivering end-to-end solutions and products. Since 1998, we have successfully serviced enterprises across the public and private sectors, and the Department of Defense. Our services span all aspects of business, providing a holistic approach for managing an organization.

Job Description

Performance SDET

Location - Seattle, WA - Prefer Local candidates only

Strong Performance engineering concepts, strong aptitude for Performance test planning, identifying performance requirements/targets, test prioritization, schedule/environment/issue management

Strong aptitude towards performance investigation, troubleshooting, sharing reports/insights

Experience in VSTS / C# / TFS / Load Testing / Controller/Agents is preferred but will consider candidates with strong experience in HP Load Runner, open source / Java tools, or other environment

Test development experience with strong problem solving skills, fluent/aptitude for coding

Additional Information

All your information will be kept confidential according to EEO guidelines.

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