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Senior Software Development Engineer In Test Jobs in Lake Stevens, WA

DevSelect

Cloud SDET

Seattle, WA · On-site

$68.25 - $88.75/hr

Seattle, WA Openings: 1 Type: Long-term Contract Summary The Client Platform Engineering team is seeking a Senior Software Development Engineer in Test to work on new feature automation with a large ...

DevSelect

Front End SDET

Seattle, WA · On-site

$57 - $73.50/hr

Seattle, WA Openings: 1 Type: Long-term Contract Summary The Client Tools and Web Engineering team is seeking a Senior Software Development Engineer in Test to work on new feature Test Automation ...

krg technology inc

SDET

Redmond, WA

$56 - $72.25/hr

NET, SQL as SDET. - GOOD EXPERIENCE IN Dev/Test DRIVEN DEVELOPMENT AND AGILE PROJECT EXPERIENCE. - Write Solid code using development methodologies Work in a collaborative, team environment ...

Echodyne Corp

Sr. Software Developer in Test

Kirkland, WA

$56.75 - $73.25/hr

Echodyne is seeking a Sr. Software Developer in Test to help build our next-generation radar ... SDET roles * Strong hands-on experience with Python, Selenium, and API testing (e.g.: requests ...

krg technology inc

SDET

Redmond, WA

$56 - $72.25/hr

Company Description Ajith KRG Technologies, Inc., ajith(at)krgtech.com 25000 Avenue Stanford, Suite #243, Valencia, CA 91355 Direct : 661-367-8000 Ext : 310 Job Title: SDET Location: Redmond, WA ...

Comtech, LLC

Java SDET

Seattle, WA

For more information please visit www.comtechllc.com SDET / Software Development Engineer in Test (Java/AngularJS/JavaScript frameworks) Location - Seattle, WA / In-Person Required. Duration - 12 ...

SRI Tech solutions Inc

SDET

Redmond, WA · On-site

$56 - $72.25/hr

The SDET will be working on the following (in priority order): * Setup of test environments to cover platform matrix. These environments will consist of Azure based VMs, SQL Server on various OS ...

krg technology inc

SDET

Redmond, WA

$56 - $72.25/hr

Company Description Ajith KRG Technologies, Inc., ajith(at)krgtech.com 25000 Avenue Stanford, Suite #243, Valencia, CA 91355 Direct : 661-558-0000 Ext : 310 Job Title: SDET Location: Redmond WA or ...

SRI Tech solutions Inc

SDET

Redmond, WA

$56 - $72.25/hr

The SDET will be working on the following (in priority order): * Setup of test environments to cover platform matrix. These environments will consist of Azure based VMs, SQL Server on various OS ...

Sonsoft Inc

SDET Experience in EMPIRIX HAMER TOOL

Bothell, WA · On-site

$56 - $72/hr

It's an evolution from an automation tester who creates a framework (selenium, QTP, etc.) and executes it to find defect. SDET, who is expected to be proficient in at least one programming language ...

Pyramid IT

SDET

Redmond, WA

$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 ...

Comtech, LLC

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 ...

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All JobsSoftware Development Engineer In Test JobsSenior Software Development Engineer In Test JobsSenior Software Development Engineer In Test Jobs in Lake Stevens, WA

Senior Software Development Engineer In Test information

See Lake Stevens, WA salary details

$24.6K

$137.5K

$179.1K

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

As of Jul 28, 2026, the average yearly pay for senior software development engineer in test in Lake Stevens, WA is $137,521.00, according to ZipRecruiter salary data. Most workers in this role earn between $121,000.00 and $157,200.00 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 engineers make $500,000?

Senior Software Development Engineers In Test (SDETs) with extensive experience, specialized skills in automation, and working at large tech companies or in high-cost-of-living regions can earn $500,000 or more annually. Compensation often includes base salary, bonuses, and stock options, especially for those in leadership roles or with rare expertise in testing automation, cloud platforms, or security tools.

Will QA or SDET get replaced by AI?

Senior Software Development Engineers in Test (SDETs) and QA professionals perform complex testing tasks that require critical thinking, creativity, and understanding of system architecture, which AI currently cannot fully replicate. While AI tools can automate repetitive testing and assist in identifying issues, human oversight and expertise remain essential for designing test strategies, interpreting results, and ensuring software quality in a fast-evolving environment.

What is the SDET engineer's salary?

The salary for a Senior Software Development Engineer in Test (SDET) typically ranges from $90,000 to $140,000 annually, depending on experience, location, and company size. SDETs with strong programming skills and experience with automation tools like Selenium or Jenkins tend to earn higher salaries.

Is SDET still in demand?

Senior Software Development Engineers in Test (SDETs) are in strong demand due to the increasing emphasis on quality assurance and automation in software development. SDETs with skills in programming, test automation tools, and CI/CD pipelines are particularly sought after across various industries, ensuring continuous testing and faster release cycles.

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 (SDET) 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 job categories do people searching Senior Software Development Engineer In Test jobs in Lake Stevens, WA look for? The top searched job categories for Senior Software Development Engineer In Test jobs in Lake Stevens, WA are:
What cities near Lake Stevens, WA are hiring for Senior Software Development Engineer In Test jobs? Cities near Lake Stevens, 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 Lake Stevens, WA as of July 2026, with employment types broken down into 1% As Needed, 82% Full Time, 14% Part Time, and 3% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $137,521 per year, or $66.1 per hour.
Senior Software Engineer, Design in Test (SDET)

Senior Software Engineer, Design in Test (SDET)

BlackSky

Seattle, WA • On-site

$125K - $163K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 22 days ago

Job description

Senior Software Test Engineer
About Us:
BlackSky is a real-time intelligence company. We own and operate the world's most advanced space-based intelligence platform and provide customers satellite imagery, automated analytics and high-frequency monitoring of strategic locations, economic assets and events from around the globe. BlackSky is trusted by the most demanding allied military and intelligence organizations and commercial companies to deliver foresight into critical matters that affect national security and the economy. BlackSky's data enables governments and businesses to see, understand and anticipate change as it happens, giving them the ultimate strategic advantage so they can act quickly. Our global team works with cutting-edge technology to make a difference around the world and prides itself on being people-first, customer-focused and fun.
The Software Development Engineer in Test (SDET) is responsible for designing and implementing automated test frameworks, tools, and simulated environments that ensure the reliability and quality of our enterprise software systems. This role is development-focused and centers on building test harnesses, emulating third-party systems and network conditions, and creating robust automation infrastructure that enables comprehensive in-house validation. The SDET develops reusable test code, service/API simulators, and scalable Python-based frameworks that integrate into CI/CD pipelines to deliver consistent and repeatable coverage across complex application workflows. In addition to building automation systems, they analyze system behavior, investigate failures, collaborate closely with developers, and validate fixes to drive overall product stability and release confidence.
Because this role frequently works with physical lab environments, shared test equipment, and cross-team collaboration, the engineer will be expected to work onsite in both our Seattle and Tukwila offices in a hybrid capacity. Typical expectations are approximately two days per week in the office, with flexibility to adjust based on project needs, lab access requirements, or collaborative testing efforts. This position reports to the Senior Manager, Test and is responsible for all software test activities within the company, providing high visibility and significant influence on test strategy, automation direction, and product quality.
Responsibilities:
  • Design, develop, and maintain automated test frameworks and tools using Python, enabling scalable and reliable testing across services, APIs, and UI workflows.
  • Build Python or Go based simulators, mocks, and emulators to replicate third-party environments, network behavior, and integration scenarios for in-house testing.
  • Develop, maintain, and execute automated API test suites using Python Requests, custom harnesses, and Postman/Newman when appropriate.
  • Build and maintain automated UI test suites using Python Playwright, with a focus on reusable components, selectors, and page-object patterns.
  • Monitor nightly automated test runs, analyze failures, and provide actionable insights through integrations with Jira/X-Ray, Slack, and CI/CD pipelines.
  • Troubleshoot and diagnose issues across APIs, backend services, and UI workflows, collaborating with developers to isolate root causes and verify fixes.
  • Perform targeted manual testing for new feature development, complex regression scenarios, and defect reproduction where automation is not yet feasible.
  • Validate functional behavior, edge cases, and system workflows across distributed application components.
  • Document test frameworks, automation patterns, test cases, expected outcomes, and reproduction steps for defects.
  • Support and improve internal Python-based test applications, tools, and services used in daily verification workflows.
  • Ensure adequate test coverage for new features, releases, and high-risk areas.
  • Contribute to continuous improvement of automation tooling, coding standards, and test strategy.
  • Assist in ensuring readiness of builds for deployment and release.
  • Other job-related duties as assigned.

Required Qualifications:
  • Minimum of years of six (6) years of experience as a Software Test Engineer, Automation Engineer, or SDET, with significant hands-on software development responsibilities.
  • Bachelor's degree in relevant field of study (or equivalent additional experience of four years).
  • Strong proficiency in Python, including writing reusable modules, building automation frameworks, and creating test harnesses or tools.
  • Experience developing automated API tests using Python Requests or equivalent frameworks; experience with Postman/Newman preferred.
  • Experience designing and maintaining automated UI tests (Python Playwright preferred), with emphasis on code structure and maintainability.
  • Experience building Python-based utilities, simulators, mocks, or environment emulators to support complex test scenarios.
  • Familiarity with reporting test results and integrating automation with Jira/XRay, Slack, or similar tools.
  • Strong ability to analyze automated test results, identify root causes across services and layers, and validate fixes in collaboration with developers.
  • Working knowledge of CI-based automated test pipelines, nightly execution workflows, and test orchestration.
  • Understanding of distributed systems, API-driven architectures, and service interactions.
  • Strong troubleshooting and debugging skills across application layers (API, backend services, UI).
  • Ability to document test plans, automation approaches, and defect reports with clarity and precision.
  • Due to program requirements, this position requires US-born citizenship.

Preferred Qualifications:
  • Experience with RabbitMQ and Kafka in event-driven or message-based architectures.
  • Experience coding in Go.
  • Experience with secure, onprem, or airgapped deployment environments.
  • Experience with performance and load testing.
  • Defense, aerospace, or government program background.
  • Geospatial or remote sensing system experience.
  • Experience writing integration documentation, runbooks, or system validation procedures.
  • Master's degree in a relevant field of study.

Life at BlackSky for full-time US benefits eligible employees includes:
  • Medical, dental, vision, disability, group term life and AD&D, voluntary life and AD&D insurance
    • BlackSky pays 100% of employee-only premiums for medical, dental and vision and contributes $100/month for out-of-pocket expenses!
  • 15 days of PTO, 11 Company holidays, four Floating Holidays (pro-rated based on hire date), one day of paid volunteerism leave per year, parental leave and more
  • 401(k) pre-tax and Roth deferral options with employer match
  • Flexible Spending Accounts
  • Employee Stock Purchase Program
  • Employee Assistance and Travel Assistance Programs
  • Employer matching donations
  • Professional development
  • Mac or PC? Your choice!
  • Awesome swag

The anticipated salary range for candidates in Seattle, WA is $135,000-$155,000 per year. The final compensation package offered to a successful candidate will be dependent on specific background and education. BlackSky is a multi-state employer and this pay scale may not reflect salary ranges in other states or locations outside of Seattle, WA.
BlackSky is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer All Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, national origin, sexual orientation, gender identity, disability, protected veteran status or any other characteristic protected by law.
To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. #LI-Hybrid
EEO/AAP/ Pay Transparency Statements:
https://www.dol.gov/ofccp/regs/compliance/posters/pdf/eeopost.pdf
https://www.dol.gov/ofccp/regs/compliance/posters/pdf/OFCCP_EEO_Supplement_Final_JRF_QA_508c.pdf
BlackSky logo

About BlackSky

Sourced by ZipRecruiter

Industry

Guided missile and space vehicle manufacturing

Company size

11 - 50 Employees

Headquarters location

Herndon, VA, US

Year founded

2013

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