Sergiy Voloshyn
Principal Software Engineer at ClickUp
Kyiv, Ukraine
Summary
🤩
Rockstar🎓
Top SchoolSergiy Voloshyn is a Principal Software Engineer based in Kyiv with 11+ years of experience building consumer and enterprise applications, currently leading architecture and delivery at ClickUp. He progressed through multiple mobile and frontend roles at ClickUp—creating the native Android app, standing up a Flutter mobile team and launching a new app—before moving into principal-level responsibilities. Founder of CRM-focused ApecSoft, he pairs product-minded engineering with hands-on implementation and a long history of shipping web and mobile software. His academic background includes advanced studies at Taras Shevchenko National University, reflecting a strong analytical foundation beyond typical engineering training. Colleagues describe him as a pragmatic technical leader who thrives on turning short timelines into production-quality releases.
11 years of coding experience
18 years of employment as a software developer
Physics and Mathematics, Physics and Mathematics at Ukrainian Lyceum of Physics and Mathematics of T. Schevchenko Kiev UniversityDoctor of Philosophy - PhD, Doctor of Philosophy - PhD at Taras Shevchenko National University of Kyiv
Ukrainian, Russian, English
Github Skills (176)
delta10
windows10
html-editor10
wysiwyg10
android-mediaplayer10
flutter-plugin10
editor10
dart10
videoview10
angular10
isar10
quill10
cross-platform10
compatibility10
android10
Programming languages (8)
Github contributions (5)
volser/android-quill-delta
Mar 2018 - Sep 2018
Contributions:35 commits, 31 pushes, 2 branches in 6 months
time-loop/quill
Feb 2021 - Oct 2021
Quill is a modern WYSIWYG editor built for compatibility and extensibility.
Contributions:32 commits, 6 PRs, 23 pushes in 8 months
contenteditabletext-editingquillwysiwygrich-text-editor
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