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Karsun Solutions, LLC • Herndon, Virginia, United States
Role & seniority: QA/Test Automation Engineer (senior) at Karsun; focus on modernization, automation, and performance testing.
Stack/tools: Java, TypeScript; Selenium Grid/WebDriver, Protractor/Jasmine/Cucumber/Gherkin, JUnit/TestNG; Playwright, Cypress; JMeter, Gatling; GitHub/Bitbucket; Eclipse/IntelliJ; API/data formats; Basic AI-assisted testing concepts.
Design, develop, and maintain automated test suites and performance tests; implement ATDD with BAs and developers.
Enhance and optimize test automation frameworks for speed, flexibility, and scalability (parallelization, grid usage); define test metrics.
Collaborate with DevOps and Development to troubleshoot, debug, and validate performance and functional quality; plan/test data management; produce reports.
BS in Computer Science or related field; 3+ years Java or TypeScript; 4+ years in Test Automation; 3+ years manual testing.
4+ years using Selenium Grid/WebDriver, Protractor/Jasmine, Cucumber/Gherkin, JUnit/TestNG; experience with JMeter/Gatling; cloud experience preferred.
Experience with databases, data formats, Agile/Scrum; strong scripting, test design, and error analysis; strong communication.
Playwright or Cypress automation; AI-assisted testing interest; behavior-driven development with Cucumber; 508/UI/UX testing experience; New Relic/dynaTrace or similar performance tools.
Location & work type: Location and work
Summary Innovate, Grow and Do Extraordinary “Together”, is at the core of everything we do at Karsun! At Karsun we defy assumptions and enable transformation as IT modernization experts. Our people and client-first focus, innovation and performance driven culture empowers and encourages our employees with the autonomy to innovate, and be accountable to take ownership and seek advancement opportunities for personal growth. The Karsun team is responsible for new application development, maintenance, enhancement, and operation. The Karsun software development team is responsible for the software design and implementation of replacement and modernization of existing legacy applications.
Minimum of 4 years of demonstrated experience in one or more of the following: Java, Groovy, JavaScript, Eclipse, IntelliJ, XML, JSON Experience in Agile and Scrum development methodologies Experience in testing UI/UX best practices and 508 compliance Knowledge in management tools such as JIRA Platform, Serena Business Manager, and/or HP Quality Center (QC) Proven hands-on experience building and maintaining automation suites using Playwright, Cypress, or Selenium. Experience or strong interest in AI-assisted testing and intelligent test design Experience implementing behavior-driven development workflows using Cucumber. Strong shift-left testing mindset with the ability to identify issues early in the development lifecycle Proven experience in exploratory and negative-path testing to uncover edge cases and failure scenarios Ability to review code and system designs from a quality, testability, and risk perspective Skilled at building robust and resilient automation that goes beyond happy-path validation Strong analytical skills to identify test gaps, analyze failures, and detect risk patterns Ability to work closely with developers to debug, isolate, and resolve complex issues Focus on defect prevention and continuous improvement in modern QA practices Strong written and communication skills required Must be a self-starter/self-directed member of the team