Hi, I’m Karolina, a QA Engineer who enjoys turning complex requirements into solid, testable software. I design and execute manual test scenarios for mobile and web apps, own regression and release testing, and collaborate with cross-functional teams to improve product quality and user experience. I’m passionate about building reliable systems, documenting clear test plans, and contributing to UX/UI discussions to deliver better products. I’m fluent in Polish and English, enjoy learning new tools, and thrive in Agile environments where teamwork and continuous improvement drive success.

Karolina Gancarczyk

Hi, I’m Karolina, a QA Engineer who enjoys turning complex requirements into solid, testable software. I design and execute manual test scenarios for mobile and web apps, own regression and release testing, and collaborate with cross-functional teams to improve product quality and user experience. I’m passionate about building reliable systems, documenting clear test plans, and contributing to UX/UI discussions to deliver better products. I’m fluent in Polish and English, enjoy learning new tools, and thrive in Agile environments where teamwork and continuous improvement drive success.

Available to hire

Hi, I’m Karolina, a QA Engineer who enjoys turning complex requirements into solid, testable software. I design and execute manual test scenarios for mobile and web apps, own regression and release testing, and collaborate with cross-functional teams to improve product quality and user experience. I’m passionate about building reliable systems, documenting clear test plans, and contributing to UX/UI discussions to deliver better products.

I’m fluent in Polish and English, enjoy learning new tools, and thrive in Agile environments where teamwork and continuous improvement drive success.

See more

Experience Level

Expert
Intermediate

Language

Polish
Fluent
English
Advanced

Work Experience

Quality Assurance Engineer at YND Technologies
April 1, 2022 - Present
Design and execute manual test cases for mobile and web applications; perform testing on iOS and Android devices across multiple form factors; own regression and release testing, including test strategy and risk-based testing; validate production issues and hotfixes; API testing using Postman; debugging, reporting, and tracking defects using Jira; collaborate in Agile environments; contribute to UX/UI discussions and publish content with Contentful.
QA Engineer at Parkooy (Startup)
January 1, 2021 - December 1, 2021
Manual testing of web and mobile applications (iOS, Android); end-to-end and regression testing in a fast-paced startup; create and maintain test cases, test suites, and testing documentation; report defects and track fixes; support basic test automation using Cypress (JavaScript); participate in team meetings to clarify requirements and improve product quality.
Support Specialist at Uber
August 1, 2021 - April 1, 2022
Managed and coordinated a team responsible for communication with B2B clients; oversaw daily operations of the support team; identified recurring application issues and reported them; collaborated with internal teams to improve user experience and application stability.

Education

Master’s Degree in Psychology at University of the National Education Commission, Krakow
January 1, 2019 - January 1, 2024

Qualifications

ISTQB Foundation Level Certification
January 11, 2030 - December 21, 2025

Industry Experience

Software & Internet, Media & Entertainment, Professional Services

Experience Level

Expert
Intermediate

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