Denys Zelenchuk
Engineering Manager, Test Automation
Zurich, Zurich, Switzerland
Summary
👤
Senior🎓
Top SchoolDenys Zelenchuk is an engineering manager specializing in test automation with 11 years of experience building quality practices for mobile and web products, currently leading Test Automation at Proton in Zurich. He progressed through hands-on roles from QA engineer to QA lead and now manager, shaping test strategy, CI infrastructure, and cross-platform automated test suites for privacy-first products like Proton Mail, VPN, Calendar and Drive. A strong Android specialist, Denys has contributed Android UI test refactors and new Kotlin-based test cases to the Proton Mail Android repo, improving reliability around composer, labels and attachments. He brings deep experience with Espresso, UIAutomator, XCTest, Jenkins and scripting languages, plus ISTQB certifications and a track record of hiring and growing teams. Known for translating complex product and compliance needs into pragmatic automation, he pairs technical depth with people leadership to raise delivery confidence.
11 years of coding experience
10 years of employment as a software developer
Master, Informational technology, Master, Informational technology at Evropejs'kij Universitet Financiv, Informacijnih Sistem, Menedment ta Bisnesu, Kiiv
English, Russian, Ukrainian, Polish, German
Github Skills (11)
kotlin10
espresso10
android-test10
uitest10
mobile-development10
native-android10
android10
android-development10
android-gui10
ui-testing10
test-automation10
Programming languages (4)
Github contributions (5)
ProtonMail/proton-mail-android
Jun 2020 - Apr 2021
Proton Mail Android app
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:55 commits in 9 months
Contributions summary:Denys primarily focused on Android UI test development and test refactoring. Their contributions included rewriting existing tests in Kotlin, refactoring test structures, and adding new test cases for composer, labels/folders, and attachments functionalities. The commits show the addition of new intent matchers to improve test reliability and coverage. They also added testing capabilities related to features like sending messages and handling attachments.
mailemailandroidprotonandroid-app
denyszet/espresso-web-cheat-sheet
Sep 2020 - Nov 2021
Contributions:2 commits, 4 pushes, 1 branch in 1 year 2 months
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