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Đorđe PejčićOP
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Đorđe Pejčić

@orepeji

QA Engineer at Horisen Technology validating access controls across UI and API; previously automated web application testing at Better Collective.

Serbia
Message

At Horisen Technology, I validate roles, permissions, user and group management, SSO, and step-up authentication across UI and API layers. I test locally with Docker and Linux before staging, and work with backend developers to reproduce and isolate security defects.

At Better Collective, I designed and maintained JavaScript and WebdriverIO end-to-end suites for web applications, alongside API and exploratory testing. I owned test documentation in QASE, used Gemini, Copilot, and Playwright MCP to support test creation, and mentored a trainee and QA Academy participants.

Experience

Work history, roles, and key accomplishments

Education

Degrees, certifications, and relevant coursework

IB

IT Bootcamp

Software Testing, Software Testing

2021 - 2022

Completed software testing training covering manual and automation testing with Java and Selenium.

University of Nis logoUN

University of Nis

Master of Arts, Tourismology

2016 - 2020

Master of Arts in Tourismology from the University of Nis, Serbia, from 2016 to 2020.

Tech stack

Software and tools used professionally

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