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Software Development Engineer In Testing Jobs in Herndon, VA

Guru Schools

SDET Automation Engineer

Washington, DC · On-site

$52 - $68.75/hr

Must have Hands-On experience in mobile automation testing (Android/iOS/AVD/Xcode/XCUITest/XCTest ... development teams and software projects are also critical for the selected candidate Skills:

TechWish

SDET

Merrifield, VA · On-site

$49.75 - $64.25/hr

Hands-on development/coding (Java) Hand on experience with UI+API+DB automation testing Hands ... overall SDET and/or development hands on experience. At least 2 years of mobile apps test ...

TriOptus LLC

Automation Tester/SDET

Loudoun, VA · On-site

The Senior Software Development Engineer in Test will be part of a Software Engineering process ... Qualifications • Proven experience in both Unit and Integration testing needs with exposure to ...

Collabera

SDET 4

Rockville, MD · On-site

$51 - $65.75/hr

The main function of a Software Development Engineer in Test (SDET) is to develop and execute ... Develop testing programs that address areas such as database impacts, software scenarios, or ...

Meta Force Technology Staffing LLC

SDET

Reston, VA · On-site

$52 - $67/hr

SDET Reston, VA (3 days a week onsite) Interview Process: 1 in-person panel (no videos) *Prior ... Lead and execute end-to-end testing across multiple integrated systems for major initiatives.

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 ... Develop testing programs that address areas such as database impacts, software scenarios, or ...

Futran Tech Solutions Pvt. Ltd.

SDET consultant

Mclean, VA · On-site

$50.75 - $65.25/hr

SDET Work Mode : Day 1 - Onsite (Complete Onsite Position) Location : McLean, Virginia (Only Local ... testers and automation engineers in the approach design, script development, execution and ...

Precision Technologies Corp

SDET

Arlington, VA · On-site

$57.50 - $74.25/hr

The ideal candidate will lead testing efforts for our investment platforms and applications ... Required Skills: * 5+ years of experience in software testing, with at least 4+ years in a lead or ...

Saransh Inc

SDET FullStack Engineer

Mclean, VA · On-site

Role: SDET FullStack Engineer Location: McLean, VA (Day 1 Onsite) Job Type: Contract Skill Metrics ... Java Angular Playwright Microservices Testing Javascript * At least 7+ year of relevant experience.

USM

Locals or Nearby Only Urgent Need SDET

Rockville, MD · On-site

$51 - $65.75/hr

Software Development Engineer in Test (SDET Location : Rockville, MD, Duration: 6-12 Months ... testing programs that address areas such as database impacts, software scenarios, or usability ...

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Software Development Engineer In Testing information

See Herndon, VA salary details

$65.3K

$151.7K

$211.3K

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

As of Jun 19, 2026, the average yearly pay for software development engineer in testing in Herndon, VA is $151,703.00, according to ZipRecruiter salary data. Most workers in this role earn between $123,400.00 and $177,900.00 per year, depending on experience, location, and employer.

What are Software Development Engineers in Testing (SDETs)?

Software Development Engineers in Testing (SDETs) are professionals who specialize in both software development and testing. They design, develop, and maintain automated test frameworks and tools to ensure the quality and functionality of software applications. SDETs work closely with developers to create robust test cases, identify bugs, and improve product reliability. Their role bridges the gap between traditional software testers and developers, requiring strong programming skills as well as a deep understanding of testing methodologies.

What are the key skills and qualifications needed to thrive as a Software Development Engineer In Testing (SDET), and why are they important?

To thrive as a Software Development Engineer In Testing, you need strong programming skills, a solid understanding of software testing principles, and typically a degree in computer science or a related field. Familiarity with automation tools such as Selenium, JUnit, or TestNG, as well as version control systems like Git, is essential, and certifications in test automation can be advantageous. Analytical thinking, attention to detail, and effective communication are standout soft skills for identifying issues and collaborating with development teams. These skills ensure high-quality, reliable software products through efficient test automation and seamless integration within development workflows.

Will QA or SDET get replaced by AI?

Software Development Engineers in Testing (SDETs) and QA professionals perform complex testing tasks that require critical thinking, creativity, and understanding of business logic, 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. Therefore, SDET roles are likely to evolve with AI rather than be completely replaced.

What engineers make $500,000?

Software Development Engineers In Testing (SDETs) at senior levels or in high-cost-of-living areas can earn $500,000 or more annually, especially with bonuses, stock options, and other compensation. Achieving this typically requires extensive experience, advanced skills in automation and testing tools, and working at large tech companies or in leadership roles.

What does a software development engineer in test do?

A Software Development Engineer in Test (SDET) designs, develops, and maintains automated test frameworks and scripts to ensure software quality. They collaborate with development teams to identify testing requirements, write test cases, and use tools like Selenium or JUnit to execute tests, often possessing programming skills in languages such as Java or Python. SDETs focus on improving testing efficiency and reliability throughout the software development lifecycle.

How does a Software Development Engineer in Testing (SDET) typically collaborate with developers and QA teams during a product release cycle?

SDETs play a key role in bridging the gap between development and quality assurance by working closely with both teams throughout the product release cycle. They participate in code reviews, contribute to designing robust test automation frameworks, and often pair with developers to ensure testability of new features. During sprints, SDETs write, maintain, and execute automated test suites, provide early feedback on potential issues, and help triage bugs. This close collaboration ensures faster feedback loops, higher code quality, and smoother product releases.

Is SDET in high demand?

Software Development Engineers in Testing (SDETs) are in high demand due to the increasing emphasis on quality assurance and automation in software development. Companies seek SDETs skilled in programming, testing frameworks, and tools like Selenium and Jenkins to improve product reliability and speed up release cycles.

What is the difference between Software Development Engineer In Testing vs Software Development Engineer In Testing?

AspectSoftware Development Engineer In Testing
Primary FocusDesigning and developing automated tests, ensuring software quality through testing automation and scripting
Skills RequiredProgramming, test automation, scripting, understanding of testing frameworks
Work EnvironmentCollaborates closely with developers, involved in continuous integration and deployment pipelines
CertificationsOften holds certifications in testing tools or programming languages

In summary, a Software Development Engineer In Testing primarily focuses on creating automated tests and scripting to ensure software quality, working closely with development teams. They possess strong programming skills and are integral to continuous testing processes.

What are popular job titles related to Software Development Engineer In Testing jobs in Herndon, VA? For Software Development Engineer In Testing jobs in Herndon, VA, the most frequently searched job titles are:
What job categories do people searching Software Development Engineer In Testing jobs in Herndon, VA look for? The top searched job categories for Software Development Engineer In Testing jobs in Herndon, VA are:
What cities near Herndon, VA are hiring for Software Development Engineer In Testing jobs? Cities near Herndon, VA with the most Software Development Engineer In Testing job openings:
Software Development Engineer In Testing jobs near you

Software Development Engineer in Test (SDET)

Ten Mile Square Technologies

Arlington, VA • Remote

$149K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 11 days ago

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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