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Senior Software Development Engineer In Test Jobs in Dumfries, VA

STR

Senior Software Engineer

Arlington, VA · On-site

$139K - $180K/yr

The SAAM group is seeking a Senior Software Engineer to join high-performing teams transforming ... Proficient in test-driven development and CI/CD practices * Experience with cross-platform ...

STR

Senior Software Engineer

Washington, DC · On-site

$139K - $180K/yr

The SAAM group is seeking a Senior Software Engineer to join high-performing teams transforming ... Proficient in test-driven development and CI/CD practices * Experience with cross-platform ...

CGI Inc.

Senior SW Developer

Fairfax, VA · On-site

$55.75 - $73.50/hr

... Participate in all phases of an Agile software development lifecycle, including requirements ... Test Driven Development (TDD) and paired programming • Experience with Git and collaborative ...

MasterCard

Senior Software Engineer

Arlington, VA · On-site

$140K - $185K/yr

Operating in more than 210 countries and territories, we are building a sustainable world that ... Software Development & Quality Independently design, build, test, deploy, and maintain highquality ...

MasterCard

Senior Software Engineer

Arlington, VA

$140K - $185K/yr

Operating in more than 210 countries and territories, we are building a sustainable world that ... Software Development & Quality Independently design, build, test, deploy, and maintain highquality ...

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Senior Software Development Engineer In Test information

See Dumfries, VA salary details

$22.2K

$123.9K

$161.4K

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

As of Jul 14, 2026, the average yearly pay for senior software development engineer in test in Dumfries, VA is $123,919.00, according to ZipRecruiter salary data. Most workers in this role earn between $109,100.00 and $141,600.00 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 Dumfries, VA are hiring for Senior Software Development Engineer In Test jobs? Cities near Dumfries, VA with the most Senior Software Development Engineer In Test job openings:
Senior Software Development Engineer In Test jobs near you
Senior Software Test Engineer

Senior Software Test Engineer

Two Six Technologies

Arlington, VA • Hybrid

$127K - $165K/yr

Other

Re-posted 10 days ago

Job description

Overview of Opportunity 

At Two Six Technologies, we build, deploy, and implement innovative products that solve the world's most complex challenges today.

We are seeking a Senior Software Test Engineer to join our team. In this role, you will be responsible for developing and executing comprehensive manual functional and user-acceptance tests to assess software product quality. However, your work will extend beyond isolated software testing to include evaluating how custom web applications, distributed architectures, and interoperable non-kinetic data streams function as a unified ecosystem. As our testing practices evolve, you will assist in implementing automated testing frameworks to scale these efforts. Additionally, you will contribute to new testing strategies aimed at verifying AI-assisted code development, ensuring the robustness and integrity of our software ecosystem.

You will collaborate closely with program engineering, development, and field operations teams to establish testing processes, evaluate complex features, and isolate critical defects. You will play a vital role in ensuring mission readiness, validating intricate data flows across multiple disparate networks, and aligning the entire test life cycle directly with strategic operational timelines.

Location: This role is expected to be on-site at TST's Arlington headquarters 4-5 days per week.

Responsibilities:

  • Perform software product testing via website interactions and tooling to investigate possible causes of problems.
  • Develop functional, end-to-end, regression, and performance tests in manual test environments.
  • Evaluate how custom web applications, distributed architectures, and interoperable data streams function together as a unified ecosystem.
  • Assist in the progressive rollout and implementation of automated testing frameworks to scale existing manual efforts.
  • Contribute to the design of new testing strategies aimed at verifying the quality, robustness, and integrity of AI-assisted code development.
  • Detect, document, and track software defect reports and feature requests.
  • Understand, reproduce, and troubleshoot product defects, collaborating closely with developers to determine the best resolution.
  • Assist in the planning and implementation of Testing-Team processes and solutions in alignment with program and operational timelines.

Minimum Qualifications:

  • 5+ years of software testing experience, with exposure to web automation tools (e.g., Selenium, Playwright, Cypress, etc.).
  • 3+ years of experience with backend API testing, integration testing, and functional testing.
  • Solid understanding of networking concepts, distributed systems, and cross-network data flows.
  • Experience with UNIX / LINUX-based operating systems.
  • Experience with SQL or other relational/non-relational database technologies.
  • Familiarity with, or a strong interest in, modern development workflows using AI-assisted coding tools and methods for verifying code integrity. 
  • Experience testing complex, data-heavy systems or interoperable data streams. 
  • Solid grasp of technical writing and documentation.
  • Bachelor's degree in a relevant field, or comparable professional experience.

Nice If You Have: 

  • Military cyber experience, networking experience, or understanding of common military, cyber, and networking vernacular.
  • Familiarity with AI development and testing capabilities.
  • Familiarity with virtualization or cloud technologies such as Docker, vSphere, Ansible, or AWS.
  • Understanding of the Agile Software Development Life Cycle.
  • Experience refining low-level testing or configuration scripts using Bash, Python, or Javascript.
  • Experience with creating automated tests for geospatial libraries such as OpenLayers and CesiumJS.

Clearance Qualifications:

  • Eligible to obtain and maintain a TS/SCI security clearance.

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