Manual Tester — Data & Backend QA Specialist

Infotree Global Solutions Inc.

Warszawa

On-site

PLN 90,000 - 130,000

Full time

14 days+

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Benefits offered by this job

Career growth towards test automation

Flexible working hours

Training and mentoring

Collaborative Agile environment

Job summary

Infotree Global Solutions Inc. is seeking a detail-oriented Manual Test Engineer to join our QA team in Warsaw. The role focuses on functional and backend testing, with emphasis on data validation, SQL analysis, and verification of complex business processes.

You will work closely with Developers, Business Analysts, Product Owners, and QA Engineers in an Agile environment, executing test cases, validating data integrity, and contributing to continuous improvement of QA standards.

Qualifications

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.
Strong SQL skills including complex queries.
Experience testing REST and SOAP APIs.

Responsibilities

Plan, design, and execute manual test cases for functional, integration, and regression testing.
Validate application functionality against requirements.
Perform end-to-end testing across multiple components.
Log, track, and verify defects using Jira or similar tools.
Collaborate with Developers, BAs, Product Owners, and QA team members throughout the SDLC.