Den Zajac
Senior QA Automation Engineer
Amsterdam, North Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolDen Zajac is a Senior QA Automation Engineer based in Amsterdam with 11 years of experience designing and building end-to-end automated testing for web, desktop, mobile and casino 3D games. He combines deep test automation skills in Java, Python and JavaScript with practical machine learning and computer vision expertise (OpenCV, MobileNet/TensorFlow) to drive CI/CD-integrated solutions and device-farm mobile strategies. At Evolution he architects CV/OCR-driven test infrastructure for complex 3D game workflows and mentors teams while expanding TypeScript-based E2E frameworks. Equally comfortable as a full-stack engineer, he has built mobile and web apps using NodeJS, PHP, Firebase and native Android/iOS, and often blends development and QA to kickstart projects through his consultancy. A pragmatic innovator, he brings gambling-industry domain knowledge and hands-on ML model application to solve hard UI automation problems.
11 years of coding experience
8 years of employment as a software developer
Master, Information Technology, Master, Information Technology at National Aviation University
Hungarian, Spanish, Polish, Russian, Ukrainian, English
Github Skills (83)
windows10
automation10
appium10
automation-framework10
webdriver10
test-automation10
android10
macos10
w3c10
ios10
selenium10
data-structures9
cross-platform9
skype8
storage8
Programming languages (8)
Github contributions (5)
dzaiats/appium-sikuli-driver
Dec 2015 - Mar 2017
Contributions:18 commits, 16 pushes, 3 branches in 1 year 3 months
sikuliappium
Testlio/testlio-automation-py
Oct 2015 - Jul 2018
Contributions:148 commits, 253 pushes, 4 branches in 2 years 9 months
pythontest-automationtestingpython-automation-testautomation
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