Mid-Level QA Tester – Database & API Validation

Our client is a leading company dedicated to delivering high-quality business solutions, focused on creating reliable business applications.

• 3+ years of experience as a Manual Tester / QA Engineer.
• Strong SQL skills, including writing complex queries with JOINs, subqueries, and GROUP BY.
• Hands-on experience testing backend systems or data-driven applications.
• Practical knowledge of relational databases such as PostgreSQL, MS SQL, Oracle, or MySQL.
• Ability to analyze technical and business requirements effectively.
• Experience working with Jira, Azure DevOps, or TestRail.
• Solid test documentation skills.
• Good understanding of testing techniques like equivalence partitioning and boundary value analysis.
• Strong organizational skills and the ability to work independently.
• Experience working within Agile/Scrum environments.

Nice to have:

• Basic knowledge of test automation tools such as Postman, Python, Java, or Selenium.
• Familiarity with CI/CD pipelines.

• Plan, design, and execute manual tests including functional, integration, and regression testing.
• Perform data-focused testing by validating data flows, transformations, and backend processing.
• Write and execute complex SQL queries to verify data integrity, investigate issues, and support testing activities.
• Test APIs (REST, SOAP) to ensure seamless integration and reliable performance.
• Analyze application logs and database data to identify defects and root causes.
• Create and maintain thorough test documentation such as test cases, scenarios, and reports.
• Collaborate closely with developers, analysts, and Product Owners to clarify requirements and resolve issues efficiently.
• Report and track defects throughout their lifecycle using tools like Jira.
• Contribute to continuous improvement initiatives for testing processes and product quality.
• Participate actively in Agile/Scrum ceremonies, including sprint planning and daily stand-ups.

Only candidates with an existing legal right to work in the European Union will be considered for this role.