QA Engineer Senior

We are looking for a QA Engineer to join the team developing Aquila Flex, a complex POS and back-office system used in the retail and hospitality sectors. The system supports sales, payments, returns, promotions, inventory management, reporting, fiscal devices, and integrations with external systems.

• At least 5 years of experience in software testing.
• Experience in testing complex business systems.
• Practical experience in creating test cases, test scenarios, and test documentation.
• Practical experience in designing, developing, and maintaining automated UI or API tests.
• Practical experience in preparing and executing load, stress, or performance tests.
• Good programming or scripting skills and understanding of software development practices.
• Ability to independently analyse requirements, business processes, edge cases, and system behaviour under different workloads.
• Experience in testing REST APIs.
• SQL knowledge sufficient to independently verify data.
• Ability to analyse application logs and performance test results.
• Good understanding of web technologies, APIs, databases, and basic system architecture.
• English at a minimum B2 level.

Nice to have:

• Experience with POS, ERP, e-commerce, payment systems, or retail solutions.
• Knowledge of sales, inventory, or fiscal processes.
• Experience with Java and/or Python in test automation.
• Experience with API test automation frameworks such as Karate or similar.
• Experience with performance testing tools such as JMeter or comparable solutions.
• Experience integrating automated tests into CI/CD pipelines.
• Knowledge of Git and YouTrack.
• Familiarity with containerised environments such as Docker.
• Basic knowledge of Linux systems.
• ISTQB Foundation Level certification.

• Analysing business and technical requirements and preparing test cases, test scenarios, and test documentation.
• Performing functional, integration, regression, and end-to-end testing.
• Designing, developing, and maintaining reliable and scalable automated tests for APIs and user interfaces.
• Designing and executing load, stress, and performance tests based on realistic system usage scenarios.
• Testing sales, payment, and inventory processes, as well as integrations with external systems and devices.
• Testing REST APIs and verifying data in databases.
• Analysing test results, application logs, and system behaviour to identify defects, performance bottlenecks, and root causes.
• Documenting defects and collaborating with developers, Business Analysts, the Product Owner, Project Manager, and Designer.
• Supporting the integration of automated tests into CI/CD processes.
• Participating in release preparation, acceptance testing, pilot deployments, and production rollouts.
• The technology choice for test automation is open; experience with Java, Python, Karate, JMeter, or comparable solutions is beneficial.