Position Summary
We are looking for a detail-oriented Manual Test Engineer to join our QA team and ensure the quality, reliability, and stability of business-critical applications. This role focuses on functional and backend testing, with a strong emphasis on data validation, SQL analysis, and verification of complex business processes.
Working closely with Developers, Business Analysts, Product Owners, and QA Engineers, you will play a key role in delivering high-quality software by identifying defects, validating data integrity, and continuously improving testing processes within an Agile environment.
The position requires 5 days/week in the office in Warsaw.
Key Responsibilities
Test Design & Execution
Plan, design, and execute manual test cases for functional, integration, and regression testing.
Validate application functionality against business and technical requirements.
Perform end-to-end testing across multiple application components.
Database & Backend Testing
Execute data validation and backend process testing.
Write and execute SQL queries to verify data integrity, investigate issues, and validate business logic.
Analyze database records, application logs, and data flows to identify defects and root causes.
Test REST and SOAP APIs to ensure correct system integration and data exchange.
Quality Assurance
Create and maintain comprehensive test documentation, including test cases, test scenarios, and execution reports.
Log, track, and verify defects using Jira or similar defect management tools.
Support continuous improvement of QA standards, methodologies, and testing processes.
Collaboration
Work closely with Developers, Business Analysts, Product Owners, and QA team members throughout the software development lifecycle.
Participate actively in Agile ceremonies, including Sprint Planning, Daily Stand-ups, Reviews, Retrospectives, and PI Planning.
Required Qualifications
Experience
3+ years of commercial experience as a Manual Tester or QA Engineer.
Experience testing enterprise or business-critical applications.
Experience working in Agile/Scrum environments.
Technical Skills
Strong SQL skills, including complex queries (JOINs, subqueries, GROUP BY).
Hands-on experience with relational databases such as PostgreSQL, Oracle, MS SQL Server, or MySQL.
Experience testing backend systems and data-driven applications.
Practical experience testing REST and SOAP APIs.
Familiarity with Jira, Azure DevOps, TestRail, or similar QA management tools.
Strong understanding of software testing methodologies and defect lifecycle management.
Soft Skills
Strong analytical and problem-solving abilities.
Excellent attention to detail and organizational skills.
Ability to work independently while collaborating effectively within cross-functional teams.
Strong communication skills and proactive approach to quality improvement.
Nice to Have
Basic knowledge of test automation tools (Selenium, Postman).
Basic programming or scripting experience (Python or Java).
Familiarity with CI/CD pipelines and modern software delivery practices.
What We Offer
Opportunity to work on business-critical applications with a highly experienced QA team.
Career growth towards test automation, backend testing, or QA specialization.
Flexible working hours.
Access to professional training, mentoring, and continuous learning opportunities.
Collaborative Agile environment with real impact on product quality.