Software QA Automation Engineer II

Trans Core (TRN), a subsidiary of ST Engineering, is seeking a talented QA Automation Engineer II to join our Software QA team in Round Rock, Texas.

The QA Automation Engineer II will play a key role in driving quality across the software development lifecycle by designing and implementing scalable automation test suites using Playwright and C#. As part of a collaborative and fast-paced Agile team, this role focuses on UI, API, and data validation testing while supporting continuous integration and delivery through Azure Dev Ops pipelines. This is an opportunity to contribute across multiple testing areas, work closely with cross-functional teams, and help build reliable, high-quality solutions within a modern engineering environment.

• Design, develop, and maintain automation suites using Playwright with C# following best practices.
• Build and execute UI automation tests for Angular web applications, validating components, workflows, and user interactions.
• Implement Page Object Model (POM) design patterns for scalable and maintainable test automation.
• Develop BDD-based automation tests using tools like Spec Flow, Reqn Roll, Cucumber for better collaboration and readability.
• Automate API testing, including request validation, response verification, and contract testing.
• Perform backend data validation using SQL Server, ensuring data integrity across systems.
• Execute regression, sanity, and end-to-end automation suits across environments.
• Debug test failures, perform root cause analysis, and improve automation stability.
• Contribute to test strategy, coverage analysis, and quality metrics reporting.
• Integrate automation suites with Azure Dev Ops (ADO) CI/CD pipelines for continuous execution and reporting.
• Maintain automation code in Git repositories and participate in code reviews.
• Collaborate with developers and product teams to translate business requirements into automated test scenarios.
• Work effectively within the Agile/Scrum teams.

• Bachelor's degree in computer science or a related Engineering field required.
• 6 or more years of experience in .Net or Java application development with expertise in functional and automation testing.
• Strong hands‑on experience with Playwright (C# preferred) for UI automation for Angular applications
• Experience implementing BDD frameworks (Spec Flow / Reqnroll / Cucumber) & Page Object Model design patterns (POM)
• Solid experience in API automation testing and SQL Server for data validation
• Experience with CI/CD tools such as Azure Dev Ops
• Experience of non‑functional testing such as performance, load, stress, security, accessibility and usability testing.
• Experience working in distributed agile teams using agile frameworks such as SCRUM, SAFe, XP etc.
• Knowledge of continuous integration tools such Azure Devops
• Strong communication, collaboration, and problem‑solving skills
• Nice-to‑Have Skills
• Experience with advanced test reporting and dashboards
• Experience with containerized test environments (Docker)
• Experience working with data analytics and visualization tools such as Tableau, Power BI, or similar
• Ability to analyze test data, generate insights
• Familiarity with data‑driven decision‑making and KPIs in QA

While performing the duties of this job, the employee is regularly required to talk or hear. The employee is frequently required to sit. The employee is occasionally required to stand, walk; use hands to finger, handle, or feel and reach with hands and arms. The employee must occasionally lift and/or move up to 10 pounds. While performing the duties of this job, the employee is occasionally exposed to fumes or airborne particles;

outside weather conditions and moving traffic. The noise level in the work environment is usually moderate.

* Trans Core complies with federal and state disability laws and provides reasonable accommodation for employees with disabilities.