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Senior Software Development Engineer In Test Jobs in Washington

Futran Tech Solutions Pvt. Ltd.

SDET

Washington, DC · On-site

Role : SDET Location : Washington, DC ( Onsite ) Job Type : Contract / Full Time Extensive Experience: Minimum of 5 years of proven software development and testing experience Testing Automation:

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 ...

Ruri Software Technologies LLC

SDET

Mclean, VA · On-site

$51.25 - $66.25/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 ...

Compugain

Sr SDET

Rockville, MD · On-site

$112K - $146K/yr

Qualifications Experience Requirements * 5+ years of cumulative experience in software development and/or test automation development. * 5+ years of experience with programming in Java (preferred ...

TechWish

SDET

Merrifield, VA · On-site

$49.75 - $64.25/hr

Full Stack SDET (Front-End and Back-End Automation Test Exp Required) Top 3 Required Skills: Hands-on development/coding (Java) Hand on experience with UI+API+DB automation testing Hands experience ...

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Senior Software Development Engineer In Test information

See Washington salary details

$25.5K

$142.2K

$185.2K

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

As of Jul 9, 2026, the average yearly pay for senior software development 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.

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.
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Senior Software Development Engineer In Test jobs near you
Software Development Engineer in Test (SDET)

Software Development Engineer in Test (SDET)

Ten Mile Square Technologies

Arlington, VA • Remote

$149K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted yesterday

Job description

Company Description

Ten Mile Square Technologies is a high-end technology consulting firm based in the Northern Virginia area. Our customers routinely call upon us to solve some of the largest scale and hardest problems in computer science and software development. If you have a solid grounding in software engineering, continuous delivery, and computer science, and are looking for a career opportunity to grow and leverage those skills to the fullest while working on cutting edge technologies - Ten Mile Square is the place to be!

Job Description

OVERVIEW

Ten Mile Square is looking for a talented Software Engineer in Test (SDET) who is passionate about technology to join our growing team of product, technology, and software professionals. The initial assignment for the new position is to develop a loan origination system for a financial services enterprise. The successful candidate will work with highly experienced team leads and have an opportunity to learn new technologies, while refining fundamental skills.

Salary (Base + Standard Bonus at plan): $149,500 ($130K + $19.5K).

JOB RESPONSIBILITIES

  • Lead the test automation efforts for a loan origination system using Node, Apollo GraphQL, Angular, Camunda, and a suite of AWS components including but not limited to EKS, Lambda, S3, MSK, and Aurora.
  • Collaborate with SDETs in the organization.
  • Design test plans for the system
  • Create automated end-to-end and contract tests
  • Create a performance testing framework and run performance tests on the system being developed
  • Direct junior test engineers in their automated and manual testing efforts
  • Work with the product team to determine what constitutes an effectively tested system
  • Contribute as member of an Agile team and promote Agile practices
  • Proactively collaborate with the Ten Mile team on development and knowledge sharing
  • Represent yourself and Ten Mile Square with integrity, expertise, and value
  • Maintain the confidentiality of our clients on an ongoing basis
  • Facilitate the hiring and onboarding of other Software Engineers in Test
Qualifications
  • Expert in software development
  • High proficiency with TypeScript 
  • Expert in automated testing
  • Working knowledge of SQL
  • Working knowledge of at least one of the common frontend JavaScript frameworks (Angular, Ionic, React, Vue), preferably Angular
  • Working knowledge of at least one end-to-end testing framework
  • Experience with Selenium, Cypress or similar preferred
  • Implementation of at least one load testing framework
  • Experience or exposure to K6, JMeter or similar preferred
  • Experience testing both backend and frontend components 
  • Full software lifecycle participation: requirements to post-implementation 
  • Linux command line 

More importantly, 

  • Be passionate about what you do
  • Demonstrated ability to learn new technologies and concepts quickly 
  • Detail-oriented 
  • High integrity and quality of work ethic 
  • Self-motivated to proactively identify and solve problems 
  • Excellent communication skills - within team and with clients 
Additional Information

EXCEPTIONAL PEOPLE DESERVE EXCEPTIONAL BENEFITS

Ten Mile Square Technologies benefits package currently includes:

  • 100% company paid medical, dental, and vision insurance (including family)
  • 100% company paid individual short- and long- term disability
  • 100% company paid vision insurance
  • 3% company contribution to 401(k)
  • 15 days paid time off per year + 1 day/year up to 20 days
  • 10 training days per year
  • 8 company holidays + 2 personal days
  • Individual performance-based quarterly cash incentive
  • Combined individual and company based annual cash incentive
  • Public transit reimbursement

Additional Details:

  • Job Type: Full-time, not C2C
  • Job Location: Remote, US based only

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