This list contains only the countries for which job offers have been published in the selected language (e.g., in the French version, only job offers written in French are displayed, and in the English version, only those in English).
We are seeking a skilled and detail-oriented QA Engineer with 5+ years of experience in backend testing and API automation. In this role, you will play a critical part in ensuring the robustness and reliability of backend systems through strategic test planning, automation development, and strong collaboration with engineering teams. If you’re passionate about building scalable test frameworks and working with complex API ecosystems, we’d love to hear from you.
Job Responsibility:
API Test Automation: Develop, maintain, and execute automated test cases for RESTful APIs, SOAP services, and Protobuf messages using .NET-based frameworks
Design reusable automation frameworks and scripts tailored to backend and integration workflows
Implement automation for FIX protocol interfaces and message validation processes
Manual API Testing: Conduct manual testing for API endpoints to ensure functional accuracy and data integrity
Validate message serialization/deserialization and protocol compliance for Protobuf and FIX
Test Strategy & Execution: Design and execute detailed test plans, test cases, and test scripts focused on API and backend systems
Perform regression, integration, and performance testing for service-level validation
Collaboration & Reporting: Partner with development, architecture, and product teams to understand API specifications and system behavior
Track and communicate test coverage, bugs, and progress using test management tools
Continuous Improvement: Enhance existing test frameworks and propose automation strategies for increased efficiency
Stay updated on evolving tools, libraries, and best practices in API and backend testing
Requirements:
5+ years of experience in manual and automation testing, with a strong focus on backend and API validation
Proficiency in .NET for developing automated testing solutions
Experience testing RESTful and SOAP APIs, including message types like Protobuf and protocols like FIX
Familiarity with API testing tools (e.g., Postman, Swagger) and version control systems (e.g., Git)
Working knowledge of CI/CD tools (e.g., Jenkins, GitHub Actions)
Strong debugging skills and understanding of backend architectures and integration flows
Exposure to API contract testing tools (e.g., Pact) and security testing (e.g., OWASP standards)
Comfortable working in Agile/Scrum environments
Excellent problem-solving, analytical, and communication skills