Test Engineer
Crestt
⚲ Warszawa
100 - 120 PLN/h netto (B2B)
Wymagania
- SQL
- REST API
- SOAP
- Scrum
- Relational Databases
- Jira
- Azure DevOps
- CI/CD
Opis stanowiska
We are looking for a Test Engineer to join our team responsible for ensuring the quality of key business applications. The ideal candidate has hands-on experience in software testing, strong SQL skills, and practical knowledge of working with relational databases. The role focuses on functional testing, data validation, and backend process analysis. Responsibilities • Plan, design, and execute manual tests (functional, integration, regression). • Perform data-focused testing, including validation of data flows, transformations, and backend processing. • Write and execute SQL queries to validate data, investigate issues, verify test results, and support testing activities. • Experience testing APIs (REST, SOAP). • Analyze application logs and database data to identify potential defects and root causes. • Create and maintain test documentation (test cases, test scenarios, test reports). • Collaborate closely with developers, analysts, and Product Owners to understand requirements and resolve issues efficiently. • Report and track defects throughout their lifecycle (using Jira or similar tools). • Contribute to continuous improvement of testing processes and overall product quality. • Participation in scrum ceremonies (PI Planning, Sprint Planning, Daily, etc.) Requirements • 3+ years of experience as a Manual Tester / QA Engineer. • Strong SQL knowledge, including ability to write complex queries (JOINs, subqueries, GROUP BY). • Experience testing backend systems or data-driven applications. • Hands-on experience with relational databases (e.g., PostgreSQL, MS SQL, Oracle, MySQL). • Ability to analyze business and technical requirements. • Experience working with tools like Jira, Azure DevOps, or TestRail. • Strong test documentation skills. • Good understanding of testing techniques (equivalence partitioning, boundary value analysis, etc.). • Solid organizational skills and ability to work independently. • Experience working in Agile/Scrum environments. Nice to Have • Basic knowledge of test automation tools (e.g., Postman, Python, Java, Selenium). • Familiarity with CI/CD pipelines. What We Offer • Work in an experienced QA team with real impact on product quality. • Opportunities to grow toward test automation or specialization in database testing. • Flexible working hours. • Access to training platforms and mentoring