Senior backend engineer

Our client is a fast-growing technology company operating in the payments and financial services space, building high-performance, secure, and scalable solutions used by businesses globally.They are looking for a QA Engineer with a strong background in testing SaaS products and Web Client applications. The ideal candidate will have extensive experience in writing test scenarios, conducting sanity and regression tests, and a deep understanding of network communications, including HTTP calls, headers, bodies, and status codes.If you are detail-oriented, patient and excel in a collaborative environment, we’d love to hear from you. You will play a crucial role in ensuring the quality and reliability of their payment solutions and internal dashboards. You will play a crucial role in ensuring the quality and reliability of their payment solutions and internal dashboards, including high-risk environments such as cashiers, gaming, and forex platforms.Job ResponsibilitiesTest Planning & Execution:Develop comprehensive test scenarios, including sanity and regression tests to ensure product quality.Execute manual and automated tests to identify software defects and ensure functionality meets requirements.Technical Testing:Analyze and understand client-server communication, including HTTP calls, headers, bodies and status codes.Test network interactions to ensure robust and secure data transmission.UI Testing:Test our internal UI dashboard, ensuring a seamless and intuitive user experience.Validate the functionality and performance of client applications.Business Logic Validation:Understand and validate business logic against product specifications to ensure alignment with business goals.Collaborate with the product team to ensure all features meet business requirements.Collaboration & Communication:Work closely with developers to identify, document and track defects.Communicate effectively with the product team to provide feedback and suggest improvements.Documentation:Maintain detailed documentation of test cases, test results and defect reports.Ensure all testing activities are well-documented and traceable.RequirementsExperience:Minimum 3 years of proven experience in Quality Assurance, preferably within the SaaS industry.Demonstrated experience in writing detailed test scenarios, including sanity and regression testing.Technical Skills:Strong understanding of network protocols, particularly HTTP/HTTPS, including headers, bodies and status codes.Experience with API testing tools like Postman or SwaggerProficient in testing client-server communications and API interactions.Experience with testing internal UI dashboards and client applications.Familiarity with test automation tools and frameworks is a plus.Soft Skills:Exceptional attention to detail and a methodical approach to testing.High level of patience and persistence in identifying and troubleshooting issues.Strong analytical and problem-solving skills.Excellent communication skills with the ability to collaborate effectively with cross-functional teams.Knows English very wellNice-to-Have Skills:Experience with automated testing tools such as Selenium, Cypress or similar.Knowledge of performance and security testing methodologies.Familiarity with CI/CD pipelines and integrating testing processes within them.