1

Software Development In Test Jobs in Washington (NOW HIRING)

Software Development Engineer (SDET)

Merrifield, VA ยท On-site

$49.75 - $64.25/hr

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 ...

Software Development Engineer (SDET)

Merrifield, VA ยท On-site

$49.75 - $64.25/hr

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 ...

SDET

Mclean, VA ยท On-site

Unlimited training and upskilling opportunities through Udemy and Hexavarsity Role: SDET Location: McLean, VA ( 100% Onsite role ) Experience Required: 6+ years * Candidate must have worked on * E2E ...

SDET

Reston, VA ยท On-site

$52 - $67/hr

SDET Reston, VA (3 days a week onsite) Interview Process: 1 in-person panel (no videos) *Prior Mortgage Industry experience if highly desired* Key Responsibilities: Lead and execute end-to-end ...

Sr SDET

Reston, VA ยท On-site

$115K - $149K/yr

Senior SDET (Automation Testing) | Hybrid | Reston, VA We are seeking a Senior Software Development Engineer in Test (SDET) with strong expertise in UI, Web Services, and Mobile Test Automation to ...

New

Sr SDET

Reston, VA ยท On-site

$116K - $151K/yr

Senior SDET (Automation Testing) | Hybrid | Reston, VA We are seeking a Senior Software Development Engineer in Test (SDET) with strong expertise in UI, Web Services, and Mobile Test Automation to ...

New

Sr SDET

Reston, VA ยท On-site

$75/hr

Senior SDET (Automation Testing) | Hybrid | Reston, VA We are seeking a Senior Software Development Engineer in Test (SDET) with strong expertise in UI, Web Services, and Mobile Test Automation to ...

New

Senior SDET

Reston, VA ยท On-site

Senior SDET Location: Reston, VA (Hybrid Once in a 2 Week) Job Type: Short-Term Contract (Till Dec 2026) Job Summary: We are looking for a Senior SDET with strong hands-on experience in test ...

New

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:

SDET 3

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:

SDET

Arlington, VA ยท On-site

$57.50 - $74.25/hr

We are seeking a motivated and detail-oriented Test Lead to join our growing team in the ... Test Strategy Development: Design and implement comprehensive test strategies, including functional ...

Expertise in developing automated tests for Web, SOA/WS, DW/ETL, JAVA backend applications Proficiency in Agile and Waterfall software development models Expertise in automation tools: Selenium ...

Showing results 21-40

Software Development In Test information

See Washington salary details

$13

$62

$84

How much do software development in test jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for software development in test in Washington is $62.02, according to ZipRecruiter salary data. Most workers in this role earn between $54.47 and $70.24 per hour, depending on experience, location, and employer.

What is software development in test?

Software Development In Test (SDIT) professionals, often called Software Development Engineers in Test (SDET), are engineers who specialize in both software development and quality assurance. They design, develop, and implement automated tests to ensure the quality and functionality of software products. SDITs work closely with developers and testers to create robust testing frameworks and tools, identify bugs, and improve testing processes throughout the software development lifecycle. Their role bridges the gap between traditional testers and developers, making them essential for delivering reliable and high-quality software.

How does a software development in test role typically collaborate with developers and QA teams during the software release cycle?

SDETs play a crucial bridging role between development and QA teams by designing, developing, and maintaining automated test frameworks that help ensure software quality. They work closely with developers to understand new features, identify potential areas of risk, and integrate automated tests into the CI/CD pipeline. During the software release cycle, SDETs often participate in code reviews, provide feedback on testability, and help triage issues found during automated testing. This collaborative environment not only streamlines the testing process but also fosters a culture of quality throughout the development lifecycle.

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

To thrive as a Software Development In Test, you need a strong background in programming, software testing methodologies, and a relevant degree such as computer science or engineering. Familiarity with test automation frameworks (like Selenium or Appium), continuous integration tools, and version control systems is typically required, along with certifications like ISTQB being beneficial. Excellent problem-solving abilities, attention to detail, and effective communication skills help SDETs collaborate with developers and ensure quality standards. These skills are crucial for building robust, efficient automated tests and ensuring reliable software delivery.

What is the difference between Software Development In Test vs Software Tester?

AspectSoftware Development In TestSoftware Tester
Required CredentialsBachelor's in CS or related, programming skills, testing frameworks knowledgeHigh school diploma or degree, basic testing knowledge
Work EnvironmentDevelopment teams, coding, automation, scriptingQA teams, manual testing, test case execution
Employer & Industry UsageTech companies, software firms, agile environmentsSoftware companies, QA departments, various industries
Comparison Search IntentYesYes

Software Development In Test professionals focus on creating automated tests, coding, and integrating testing into the development process. Software Testers primarily perform manual testing, execute test cases, and identify bugs. While both roles aim to ensure software quality, Software Development In Test roles require programming skills and automation expertise, whereas Software Testers focus more on manual testing procedures.

Infographic showing various Software Development In Test job openings in Washington as of August 2026, with employment types broken down into 1% As Needed, 80% Full Time, 11% Part Time, 2% Temporary, and 6% Contract. Highlights an 86% Physical, 2% Hybrid, and 12% Remote job distribution, with an average salary of $129,009 per year, or $62 per hour.

Software Development Engineer (SDET)

System One

Merrifield, VA โ€ข 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