Senior Quality Assurance Java Engineer | Washington, DC

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Long term

Washington, DC

The Senior Quality Assurance Engineer will design, implement, and maintain comprehensive test strategies for this role supports a complex, workflow-driven, distributed microservices ecosystem that manages equipment lifecycle, yard operations, scheduling, and operational events. The ideal candidate is comfortable testing state-based systems, APIs, distributed integrations, and data-intensive workflows in mission-critical environments.

• Design and execute end-to-end test strategies for workflow-driven and state-heavy systems.
• Develop and maintain automated test frameworks for UI and API testing (Playwright, Selenium, REST-assured, Karate, or similar).
• Validate REST APIs, integration points, and distributed microservices.
• Perform database-level validations to ensure data integrity, referential consistency, and correct state transitions.
• Validate event-driven workflows and message-based integrations (Kafka or similar technologies).
• Develop tests for resilience scenarios including retries, failure handling, and idempotency.
• Conduct performance and load testing to validate behavior under peak operational conditions.
• Integrate automation suites into CI/CD pipelines (Jenkins, Git Hub, Bitbucket, or equivalent).
• Analyze logs and monitoring data (Cloud Watch, App Dynamics, ELK/EFK or similar) to validate system behavior.
• Collaborate with product owners, developers, and architects to define test strategy and quality gates during design and implementation phases.

• Bachelor’s degree or 7+ years relevant work experience.
• 5+ years of experience in manual and automated testing of enterprise systems.
• Strong experience in UI and API automation.
• Proficiency in Java and Type Script for automation scripting.
• Experience testing microservices-based architectures.
• Strong SQL skills and experience validating relational and/or No
  
  SQL databases.
• Experience working in Agile environments.
• Strong analytical and problem-solving skills.

• Experience testing complex workflow-driven or operational systems (e.g., logistics, transportation, airline, financial transaction platforms).
• Experience with event-driven or message-based systems (Kafka preferred).
• Experience with performance testing tools (JMeter or similar).
• Familiarity with AWS or other cloud environments.
• Familiarity with legacy mainframe or green-screen systems (e.g., 3270), batch processing, and legacy-to-modern system integration validation.