QA engineer

Location: Warsaw, PL We are looking for a talented Quality Assurance Engineer to design and shape unique, user-centric software for customers across the globe. Requirements Strong understanding of QA principles, testing strategies, and manual testing methodologies (functional, regression, exploratory, smoke, UAT). Experience creating and maintaining test documentation (test cases, test plans, checklists). Experience testing Web APIs in service-oriented or microservices-based architectures. Solid understanding of REST APIs and HTTP protocol. Hands-on experience with API testing tools such as Postman or Swagger. Ability to work with JSON and XML data formats. Ability to write and execute SQL queries to validate backend data and system behavior. Understanding of CI/CD pipelines and experience working with build and deployment processes. Strong analytical skills, attention to detail, and ability to collaborate effectively with cross-functional teams. Ability to manage testing activities throughout the product lifecycle, from testing to release. English level: Upper-Intermediate or higher. Nice to have Experience validating ETL processes and data pipelines. Ability to analyze and validate data using BI tools (Power BI / Microsoft BI). Basic experience with load and performance testing tools (e.g., JMeter). What we offer Competitive compensation based on your experience and expertise Long-term contract-based collaboration A collaborative and open environment Flexible collaboration arrangements