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Senior Software Development Engineer In Test Jobs in Arlington, WA

Fortive

Senior Software Test Engineer

Everett, WA · On-site

$122K - $158K/yr

Fluke is seeking a Senior Software Test Engineer with deep expertise in WiFi and network systems to lead quality engineering for network test and diagnostic tools. You will ensure products deliver ...

New

Fortive

Senior Software Test Engineer

Everett, WA · On-site

$122K - $158K/yr

Fluke is seeking a Senior Software Test Engineer with deep expertise in Wi-Fi and network systems to lead quality engineering for network test and diagnostic tools. You will ensure products deliver ...

New

Fortive

Senior Software Engineer

Everett, WA · On-site

$135K - $178K/yr

Participate in design, development, review, documentation and testing of our application. * Work ... Work closely with our product and test partners to ensure we are measuring and constantly ...

Fortive

Senior Software Engineer

Everett, WA · On-site

$135K - $178K/yr

Participate in design, development, review, documentation and testing of our application. * Work ... Work closely with our product and test partners to ensure we are measuring and constantly ...

Karman Space & Defense

Development Engineer I

Mukilteo, WA · On-site

$85K - $110K/yr

SUMMARY The Development Engineer's role is to develop, test, and deploy aerospace and defense ... Assists in test planning and execution: test design and analysis; writing procedures, test plans ...

SA Technologies Inc.

Software Development Manager

Everett, WA · On-site

$136K - $180K/yr

... in US, Canada, Mexico & India. SAT is an Oracle Gold Partner, SAP Services Partner & IBM Certified ... The range will vary from low level design reviews to direct interact with SVP/CTO on critical ...

Karman Space & Defense

Development Engineer I

Mukilteo, WA · On-site

$85K - $110K/yr

SUMMARY The Development Engineer's role is to develop, test, and deploy aerospace and defense ... Assists in test planning and execution: test design and analysis; writing procedures, test plans ...

Karman Space & Defense

Development Engineer I

Mukilteo, WA · On-site

$85K - $110K/yr

SUMMARY The Development Engineer's role is to develop, test, and deploy aerospace and defense ... Assists in test planning and execution: test design and analysis; writing procedures, test plans ...

Karman Space & Defense

Development Engineer I

Mukilteo, WA · On-site

$85K - $110K/yr

SUMMARY The Development Engineer's role is to develop, test, and deploy aerospace and defense ... Assists in test planning and execution: test design and analysis; writing procedures, test plans ...

Armada

Senior Software Engineer

Everett, WA · On-site

$135K - $178K/yr

Required : • US Citizen • Software Engineering: 8+ years of professional development experience ... Expert-level proficiency in Golang (5+ years preferred), with experience building system-level ...

Leidos

Senior Test and Integration Engineer

Lynnwood, WA · On-site

$107K - $195K/yr

Lead the planning and development of comprehensive test plans, procedures, and protocols to ensure ... Bachelor's degree in Engineering (Systems, Mechanical, Electrical, Software, Ocean), Computer ...

Helion

Senior Software Engineer, Data Platform

Everett, WA · On-site

$135K - $178K/yr

Helion is a fusion power company based in Everett, WA, focused on building the world's first fusion power plant. They are seeking a Senior Software Engineer for their Data Platform to design, develop ...

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Senior Software Development Engineer In Test information

See Arlington, WA salary details

$24.9K

$139.1K

$181.1K

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

As of Jul 8, 2026, the average yearly pay for senior software development engineer in test in Arlington, WA is $139,101.00, according to ZipRecruiter salary data. Most workers in this role earn between $122,400.00 and $159,000.00 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 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 cities near Arlington, WA are hiring for Senior Software Development Engineer In Test jobs? Cities near Arlington, WA with the most Senior Software Development Engineer In Test job openings:
Senior Software Development Engineer In Test jobs near you
SDET (Software Dev Engineer in Test) - AI Trainer

SDET (Software Dev Engineer in Test) - AI Trainer

DataAnnotation

Everett, WA • Remote

$50 - $100/hr

Contractor

Re-posted 9 days ago

Job description

About the job:

Contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule.

We are looking for an existing Coder (this is an opportunity to work with us as an independent contractor) to help advance AI development. As a DataAnnotation’s coder, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development.

Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of-the-art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve.

To get started, once you sign up for an account, you'll take a short assessment (this serves as our version of an interview). If you pass that assessment, you’ll receive an email confirmation, and paid work will become available to you through our platform.

Advantages of contracting with us:

  • You'll be able to choose which projects you want to work on and when
  • You work on your own schedule, on your own computer, from the comfort of your own home
  • Projects are paid hourly starting at $50-100+/hr, with bonus rates available on some projects

Responsibilities:

  • Give AI chatbots coding challenges and evaluate their outputs
  • Evaluate the quality produced by AI models for correctness and performance

Qualifications:

  • Fluency in English (native or bilingual level)
  • Detail-oriented
  • Experience with algorithms, data structures, and debugging workflows
  • A current, in progress, or completed Bachelor's is preferred but not required

Note:

Payment is made via PayPal. We will never ask for any money from you. PayPal will handle any currency conversions from USD. This job is only available to those in the US, Canada, UK, Ireland, Australia, and New Zealand. Those located outside of these countries will not see work or assessments available on our site at this time. This is an independent contractor position.

#coder