Krystian Rdzonkowski

Currently working as a Manual Tester, I am actively expanding my skills toward Frontend Development and Data Engineering. My main passion lies in web scraping and data processing. I love extracting valuable web data, structuring it, and transforming it into clean, user-friendly frontend interfaces that help others. This end-to-end workflow drives my continuous learning. Outside of code, I stay active through road cycling, tennis, and hiking. I am also deeply into photography – you can check out some of my favorite shots in the section below. Explore my development projects to see how I connect data with code!

68 contributions in 2025 on GitHub.

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Experience:

QA Game Tester

Lionbridge

Warsaw, Poland

Sep 2022 - Jul 2026

•Manual & Exploratory Testing: running functional, regression, and exploratory tests to check core game mechanics and ensure software logic matches design goals.
•Cross-Platform Testing: testing UI, stability, and performance of a major AAA multiplayer title across PC, consoles, and mobile devices.
•Multiplayer & Network Testing: verifying game logic, network connectivity, and real-time synchronization in a heavy-traffic multiplayer environment.
•Bug Reporting & Isolation: tracking down complex issues and edge cases, then writing clear defect reports with step-by-step reproduction instructions.
•Developer Collaboration: working hand-in-hand with developers to report bugs, clear up requirements, and retest fixed issues.

JiraXrayJQLMS ExcelXbox/Playstation dev kits

Manual Tester

Softwebo

Warsaw, Poland

Jul 2026 - Present

•Web & Mobile Testing: performing manual, functional, and regression testing for web and mobile applications related to Healthcare, Pharma, and HoReCa.
•SaaS & RPM Systems: assessing web-based, cloud-enabled SaaS and Remote Patient Monitoring (RPM) systems for reliable and consistent data connectivity from patient devices to clinical dashboards.
•End-to-End & UAT Testing: validating all user flows for medical questionnaires and clinical case scenarios, including User Acceptance Testing (UAT) and data validation.
•API, Integration & DB Testing: executing integration testing, performing REST API verification (JSON), and running SQL queries to validate data integrity between front and back-end layers.
•Test Design, Smoke & Performance: applying black-box testing techniques, executing quick smoke tests for daily builds, and checking system performance and responsiveness.
•Defect Tracking & Log Analysis: analyzing system logs to provide technical context, and tracking defects in Jira from identification to closure.
•Cross-Team Collaboration: collaborating with both frontend and backend developers to quickly resolve complex issues and clarify business requirements.