Job Summary
The Senior Quality Assurance Engineer is responsible for designing, implementing, and maintaining comprehensive test strategies for Transportation platform. This platform operates within a complex, workflow-driven, distributed microservices ecosystem that supports unified train status, rail incident and disruption management, partner communications, and real-time operational events.
In this role, you will ensure the reliability, scalability, and performance of mission-critical systems by building robust testing frameworks and driving quality across services and integrations. As a senior member of the team, you will provide technical leadership by championing a quality-first mindset, mentoring engineers, influencing cross-functional stakeholders, and driving the evolution of testing practices to enhance engineering excellence, system resiliency, and operational reliability.
Essential Responsibilities
• 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 for functional and NFRs
• Validate REST REST API authn and authz security and role-based access, integration points, and distributed microservices.
• Perform database record and element validations to ensure data integrity, referential consistency, and correct state transitions.
• Validate event-driven process flows 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, GitHub, Bitbucket, or equivalent).
• Analyze logs and monitoring data (CloudWatch, Dynatrace, AppDynamics, 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.
Minimum Qualifications
• 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 TypeScript for automation scripting.
• Experience testing microservices-based architectures.
• Strong SQL skills and experience validating relational and/or NoSQL databases.
• Experience working in Agile environments.
• Strong analytical and problem-solving skills.
Preferred Qualifications
• 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.
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