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Senior Software Developer In Test Jobs in Ashburn, VA

VivSoft Technologies

Senior Software Developer

Herndon, VA · Remote

$55.75 - $73.75/hr

Senior Software Developer Location: Remote, USA Position Type: Full-Time About the company: At ... VivSoft is a diverse team of strategists, engineers, designers, and creators experienced in ...

VTG

Senior Software Developer

Herndon, VA · On-site

$56 - $74/hr

Overview We are seeking a versatile Senior Software Developer with expertise in secure software ... What will you do? • Design, develop, test, and deploy secure Windows applications, services, and ...

Hirekeyz Inc

Senior Software Developer

Fairfax, VA · On-site

$55.75 - $73.50/hr

Onsite- Fairfax, VA 3 Days and in Washington, DC 2 Days per Week. Duration: Long Term Contract Position Require a Secret Clearance The Senior Software Developer role requires a deep expertise in Java ...

V2X

Senior Software Developer

Chantilly, VA · On-site

$55.75 - $73.75/hr

We are seeking a TS/SCI with Polygraph cleared Senior Software Developer who will focus on the ... Developing unit and integration tests, in addition to participating in functional and regression ...

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 ...

Compugain

Sr SDET

Rockville, MD · On-site

$112K - $146K/yr

Qualifications Experience Requirements * 5+ years of cumulative experience in software development ... Experience with functional or Performance or Security or DevOps test tools. * Demonstrable ...

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Senior Software Developer In Test information

See Ashburn, VA salary details

$15

$63

$89

How much do senior software developer in test jobs pay per hour?

As of Jul 14, 2026, the average hourly pay for senior software developer in test in Ashburn, VA is $63.13, according to ZipRecruiter salary data. Most workers in this role earn between $53.61 and $70.82 per hour, depending on experience, location, and employer.

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

AspectSenior Software Developer In TestSoftware Development Engineer in Test
CredentialsTypically requires a software engineering degree and testing certificationsSimilar credentials, often with certifications in testing tools or automation
Work EnvironmentWorks closely with development teams to design and implement automated testsFocuses on developing testing frameworks and automation tools within development teams
Industry UsageCommonly used in software companies emphasizing quality assuranceWidely used in tech firms with a focus on continuous integration and delivery
Search & Comparison IntentOften compared for seniority and scope of testing responsibilitiesCompared for automation skills and development focus

Both roles involve testing and automation, but Senior Software Developer In Test typically has more leadership responsibilities and strategic testing planning, while Software Development Engineer in Test focuses more on developing testing tools and automation frameworks within the development process.

What are some common challenges faced by Senior Software Developers in Test, and how can they be addressed?

Senior Software Developers in Test often encounter challenges such as balancing test automation coverage with tight deadlines, keeping up with evolving technologies, and ensuring effective communication between development and QA teams. Addressing these challenges involves prioritizing automation efforts based on risk and business impact, continually updating technical skills, and fostering a collaborative environment through regular cross-team meetings. Proactively sharing knowledge and advocating for best testing practices also help streamline workflows and maintain high-quality standards.

What is a Senior Software Developer In Test?

A Senior Software Developer In Test (SDET) is an experienced software professional who is responsible for designing, developing, and maintaining automated test frameworks and tools to ensure software quality. SDETs work closely with development and QA teams to create automated tests that validate application functionality, performance, and security. They possess strong programming skills, a deep understanding of software testing methodologies, and often contribute to both the development and testing aspects of a project. Senior SDETs also mentor junior team members and help shape best practices for software testing within their organization.

What are the key skills and qualifications needed to thrive as a Senior Software Developer In Test, and why are they important?

To thrive as a Senior Software Developer In Test, you need advanced programming skills, expertise in test automation, and a solid understanding of software development and QA methodologies, typically supported by a degree in computer science or a related field. Proficiency with test automation frameworks (such as Selenium, Cypress, or Appium), continuous integration systems (like Jenkins or GitHub Actions), and relevant certifications (e.g., ISTQB) is highly valuable. Attention to detail, problem-solving abilities, and effective communication are critical soft skills for collaborating with developers and ensuring high-quality releases. These skills and qualities are essential for identifying issues early, optimizing testing processes, and delivering reliable software in fast-paced development environments.
What are the most commonly searched types of Software Developer In Test jobs in Ashburn, VA? The most popular types of Software Developer In Test jobs in Ashburn, VA are:
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What job categories do people searching Senior Software Developer In Test jobs in Ashburn, VA look for? The top searched job categories for Senior Software Developer In Test jobs in Ashburn, VA are:
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Senior Software Developer In Test jobs near you
Infographic showing various Senior Software Developer In Test job openings in Ashburn, VA as of July 2026, with employment types broken down into 78% Full Time, and 22% Contract. Highlights an 94% In-person, and 6% Hybrid job distribution, with an average salary of $131,302 per year, or $63.1 per hour.
Software Development Engineer in Test (SDET)

Software Development Engineer in Test (SDET)

Ten Mile Square Technologies

Arlington, VA • On-site, Remote

$149K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 7 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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