Mid - Senior Level Software Development Engineer in Test
Merrifield, VA
Experience: 0
Category: Information Technology
Contractor Work Model: Hybrid
Brand: System One
Job ID: 378754
Date Posted: 08/20/2026
Shortcut: http://jobs.systemone.com/cwB79g
Job Title: Mid - Senior Level Software Development Engineer in Test
Location: Vienna, VA
Work Model: Hybrid – 3 days/week onsite, rest remote
Type: Multiyear Contract
Description:
Top Skills:
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 on a wide variety of testing techniques and types and STLC process
Basic Purpose:
The Digital Delivery team develops innovative member and team member experiences that leverage the latest technologies in open source and the Azure cloud. Digital Delivery team is responsible for engineering modern web applications to implement a complete UI and micro services for multi device, multi-platform mobile and desktop web applications. As a member of this team your role will be a Software Development Engineer in Test (SDET) working in a Scrum environment, you will test software applications and features using test suites and scripts, perform anomaly reporting, software analysis, develop automated software test packages using various technologies, perform functional and performance testing.
Additionally, SDET is responsible for providing support for one or more existing software applications. This includes application issue-analysis/resolution, configuration, managing security/permissions, and providing assistance to users. They would also collaborate with other divisions of the organization's primarily ISD Cloud team.
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
Qualifications:
- 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.
Preferred Skills:
- Previous financial/banking experience is highly preferred
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.
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Ref: #851-Rockville-S1
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