Klymentiy Haykov
Tokyo, Japan
Summary
🤩
Rockstar🎓
Top SchoolKlymentiy Haykov is an experienced Android developer and IT consultant based in Tokyo with a decade in software engineering and over five years focused on shipping mobile products. He has contributed to high-profile open-source Android projects like Simplenote and WordPress, implementing payment flows, rich-text editing improvements, and comment/analytics features that improved UX and maintainability. Comfortable across the Android stack, Klymentiy has hands-on experience integrating Google Play Billing, refactoring complex ViewModels, and enhancing text rendering for multi-line bullets and headings. He combines product-minded feature delivery for both startups and large teams with a practical CS foundation from Lviv Polytechnics. A detail-oriented contributor, he often pairs UI tweaks with robust error handling and messaging to strengthen end-to-end user flows.
10 years of coding experience
Specialist, CS, Specialist, CS at State University 'Lviv Polytechnics'
Ukrainian, Japanese, Russian, English
Stackoverflow
3,379reputation
274kreached
39answers
25questions
gradle
top-5%
android
top-5%
android-gradle-plugin
top-5%
Github Skills (24)
kotlin10
mobile-development10
layout10
user-interface10
android-development10
java10
mobile-application10
javas10
android10
native-android10
rich-text-editor10
mutablelivedata9
android-gradle-plugin9
ui-design9
mvvm9
Programming languages (5)
Github contributions (5)
wordpress-mobile/AztecEditor-Android
Jul 2016 - Jan 2023
A reusable native Android rich text editor component.
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:1 release, 28 reviews, 722 commits in 6 years 6 months
Contributions summary:Klymentiy primarily contributed to a native Android rich text editor, implementing and enhancing the core functionality of text formatting and layout. Their work included adding support for multi-line bullet spans, improving the rendering of styled text, and refactoring existing code. Furthermore, they added capabilities to the editor such as improved styling options for different levels of heading.
nativerich-text-editorandroid-libraryandroidrich-text
wordpress-mobile/WordPress-Android
Jun 2016 - Jun 2022
WordPress for Android
Role in this project:Mobile Developer (Android)
Mobile Developer (Android)Contributions:203 reviews, 3797 commits, 764 PRs in 6 years 1 month
Contributions summary:Klymentiy contributed to the WordPress for Android application by implementing features related to comment management and user interaction. Their work included adding analytics tracking, enhancing user interface elements, and improving the functionality of comment loading. They also introduced utility methods for various comment loading methods, modifying the comment list and handling the presentation of comment data.
oauth2-authenticationwordpressandroidsecretmobile
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.