Summary: This role involves strengthening quality engineering for an airline booking platform by driving API integration automation, maintaining test cases, and collaborating to improve delivery practices. Highlights: 1. Strengthen quality engineering for an airline booking platform 2. Drive API integration automation and maintain test cases 3. Collaborate to improve delivery practices and increase reliability at scale We are strengthening quality engineering for a booking platform serving airline clients through the **Middle .NET SDET (API Integration \& Test Automation)** role. You will drive API integration automation, maintain test cases, and add focused manual checks while collaborating with the team to improve delivery practices—apply now to help us increase reliability at scale. **Responsibilities** * Design automated API integration tests for distributed microservices * Build and maintain .NET test automation suites in C\# for integration and end\-to\-end coverage * Define test approaches and standards aligned with API \& integration requirements * Create and manage test cases, including prioritization for smoke and regression runs * Execute targeted manual tests for new features when automation is not practical * Coordinate test execution and reporting to support release readiness and production smoke validation * Collaborate with developers to improve testability, coverage, and defect prevention * Implement and run load tests using cloud\-based tools as needed **Requirements** * 2\+ years of experience in automated testing with .NET for APIs and integration scenarios * Solid ability to contribute to test strategy decisions and support test prioritization * Practical experience with test case management and defining smoke vs regression coverage * Strong C\# skills to build maintainable test automation * Good knowledge of web service / API testing concepts and typical failure modes * Clear understanding of test approaches and structured test cases development * Upper\-Intermediate English (B2\) skills for effective collaboration and documentation **Nice to have** * Familiarity with Apache JMeter and Azure Load Testing * Experience with Azure Test Plans and GitOps * Working knowledge of MOQ and xUnit.net