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Senior Software Engineer In Test Jobs in Washington

Gridpoint

Senior Software Engineer

Reston, VA · On-site

$127K - $168K/yr

The Senior Software Engineer shall perform with a high degree of independence and expertise to ... in combination with other software engineers and test engineers ensure high quality software ...

Gridpoint

Senior Software Engineer

Reston, VA · On-site

$127K - $168K/yr

The Senior Software Engineer shall perform with a high degree of independence and expertise to ... in combination with other software engineers and test engineers • ensure high quality software ...

Socket.dev

Principal Test Engineer (SDET)

Vienna, VA · On-site

$100 - $150/hr

The SDET will develop test automation for integration, regression, and functional testing for systems to ensure compliance with system requirements and Navy Federal business practices and policies.

New

Collabera

SDET 4

Rockville, MD

$51 - $65.75/hr

The main function of a Software Development Engineer in Test (SDET) is to develop and execute software test plans in order to identify software problems and their causes. Job Responsibilities:

Ruri Software Technologies LLC

SDET

Mclean, VA · On-site

$50.50 - $65.25/hr

Job Title: SDET Location: Onsite in McLean, VA Responsibilities • Design, develop, and maintain automation frameworks using Playwright, Selenium, Cucumber, Java, and TypeScript • Execute end-to ...

Collabera

SDET 3

Rockville, MD · On-site

$51 - $65.75/hr

The main function of a Software Development Engineer in Test (SDET) is to develop and execute software test plans in order to identify software problems and their causes. Job Responsibilities:

Deegit Inc

SDET Developer

Silver Spring, MD · On-site

$51.75 - $66.75/hr

Software Development Engineer in Test (SDET) is to develop and execute software test plans in order to identify software problems and their causes. Strong java development skills JavaScript ...

GridPoint

Senior Software Engineer

Reston, VA · On-site

$127K - $168K/yr

... in combination with other software engineers and test engineers • ensure high quality software ... senior software engineering roles • Minimum 8 years of experience with Unix internals; Java or

Systek

Senior Software Engineer

Hanover, MD · On-site

$120K - $159K/yr

SENIOR SOFTWARE ENGINEER The company is seeking a Senior Software Engineer to provide SETA support ... Participate in the testing process through test review and analysis, test witnessing and ...

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Senior Software Engineer In Test information

See Washington salary details

$25.5K

$142.2K

$185.2K

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

As of Aug 18, 2026, the average yearly pay for senior software engineer in test in Washington is $142,210.00, according to ZipRecruiter salary data. Most workers in this role earn between $125,200.00 and $162,500.00 per year, depending on experience, location, and employer.

What is a senior software engineer in test?

Senior Software Engineers in Test are experienced professionals who design, develop, and implement automated testing frameworks and tools to ensure the quality and reliability of software products. They work closely with development and QA teams to identify testing needs, create robust test plans, and write automated scripts that validate software functionality. In addition to hands-on coding, they often mentor junior engineers, drive process improvements, and contribute to the overall testing strategy of the organization.

What are some typical challenges a senior software engineer in test faces when designing automated testing frameworks?

Senior Software Engineers in Test often encounter challenges such as integrating automated tests with complex, evolving codebases and ensuring tests remain reliable as features change. Balancing thorough test coverage with execution speed, especially in continuous integration environments, is another common concern. Additionally, collaborating with both development and QA teams to align on testing strategies and maintaining documentation for test frameworks are key responsibilities that require strong communication and adaptability.

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

To thrive as a Senior Software Engineer in Test, you need a deep understanding of software development, test automation frameworks, and a background in computer science or a related field. Mastery of tools like Selenium, Jenkins, JUnit, and experience with CI/CD systems, as well as relevant certifications such as ISTQB, are typically required. Strong analytical thinking, problem-solving abilities, and effective communication skills set top candidates apart in this role. These skills are crucial for ensuring robust, scalable, and reliable software delivery in complex technical environments.

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

AspectSenior Software Engineer In TestSoftware Development Engineer in Test
CredentialsBachelor's in CS or related field, experience in testing and automationBachelor's in CS or related field, strong coding skills, experience in testing
Work EnvironmentDesigning test strategies, automation frameworks, collaborating with development teamsDeveloping test tools, writing automated tests, integrating testing into CI/CD pipelines
Industry UsageCommon in tech companies, especially in QA and testing teamsWidely used in software development companies focusing on automation

The main difference is that Senior Software Engineer In Test often focuses on testing strategy and automation leadership, while Software Development Engineer in Test emphasizes developing testing tools and automation code. Both roles require strong coding skills and testing experience, but their focus areas differ slightly within the testing lifecycle.

What are the most commonly searched types of Software Engineer In Test jobs in Washington?

The most popular types of Software Engineer In Test jobs in Washington are:

What are popular job titles related to Senior Software Engineer In Test jobs in Washington?

For Senior Software Engineer In Test jobs in Washington, the most frequently searched job titles are:

What job categories do people searching Senior Software Engineer In Test jobs in Washington look for?

The top searched job categories for Senior Software Engineer In Test jobs in Washington are:

What cities in Washington are hiring for Senior Software Engineer In Test jobs?

Cities in Washington with the most Senior Software Engineer In Test job openings:

Senior Software Engineer In Test jobs near you
Infographic showing various Senior Software Engineer In Test job openings in Washington as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 6% Part Time, 2% Temporary, and 8% Contract. Highlights an 82% Physical, 4% Hybrid, and 14% Remote job distribution, with an average salary of $142,210 per year, or $68.4 per hour.

Software Development Engineer (SDET)

System One

Merrifield, VA • On-site

$49.75 - $64.25/hr

Contractor

Medical, Dental, Vision, Life, Retirement

Re-posted 11 days ago

Job description

Job Title: Senior Software Development Engineer (SDET) Location: Hybrid Work Model Reporting to Vienna, VA, Pensacola, FL, San Diego, CA Pay Rate: Open to Both C2C and W2 options Position Type: Multiyear Contract

Responsibilities

  • Work with engineers to troubleshoot and remediate automation issues in testing and deploying environments
  • Work alongside developers as well as the business stakeholders and strive to automate the acceptance criteria
  • Understand, and implement agile development methodologies while working with teams using the Sprint/Scrum methodology of agile
  • Understand project documents, customer demands, and product objectives to create and execute test cases
  • Test complex API, web and mobile based applications that reference database back-end systems
  • Support non-functional requirements such as, performance testing
  • Set up, maintain, and perform test automation frameworks on multiple application platforms, such as Mobile, Desktop, and Web, and building test scenarios and acceptance tests
  • Participate in all agile ceremonies (standups, planning, backlog refinement, reviews, etc.) ensuring QA and testing is continuously represented and effectively incorporated into all aspects of the project
  • Own end-to-end test strategy, analyze requirements, build test plan, design test cases and implement test automation for applications of moderate to high complexity
  • Manage the final quality on production release
  • Develop, execute, and maintain automation test scripts to meet software release deliverables, project testing requirements and other quality considerations
  • Develop smoke, functional, regression, and integration test suites for UI, API Services, and databases
  • Develop and execute manual test cases to detect issues that cannot be detected through automated means (when needed)
  • Design customer centric automation test processes for all existing and new product development
  • Apply a strong understanding of software testing/delivery to build and maintain automated test harnesses and test suites using scripting languages and industry tools
  • Ability to advocate for Improvements in automation engineering efforts to the executive management team

Requirements

  • At least 5 years overall SDET and/or development hands on experience
  • At least 2 years of mobile apps test automation experience in Android and/or iOS, Web, API
  • At least 4 years of professional experience in software test automation, including creation and deployment of frameworks and design and maintenance of test automation
  • At least 2 years of API Automation Testing
  • Experience with agile development methodology
  • Experience with Cl/CD pipelines using tools such as GitHub, Jenkins, JUnit, Selenium, Cucumber, etc.
  • Experience with Test Driven Development (TDD), BDD Behavior Driven Development, and Agile (XP)
  • Experience with Test processes, open-source test frameworks, test design strategies, writing test cases, and automating tests in Java with frameworks like JUnit/TestNG, Selenium, JMeter and Appium
  • Experience working with a ticketing system such as Service Now or Jira
  • Hands on experience with any cloud technology platforms, preferably Microsoft Azure
  • Must have hands on experience in Selenium Scripting, and SQL querying
  • Must have hands on experience utilizing cloud hosted testing platforms such as Perfecto
  • Proficient in debugging issues
  • Proficient in Java
  • Proficient in writing functional automation (UI/API)
  • Solid foundation in data structures, algorithms, design patterns and strong analytical and problem-solving skills
  • Working knowledge of Pull requests, code reviews, etc.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

#M1 #LI-CB3 Ref: #851-Rockville-S1