Kyriakos Ziakoulis
Athens, Attica, Greece
Summary
🤩
Rockstar🎓
Top SchoolKyriakos Ziakoulis is a Frontend Engineer based in Athens with 11 years of experience building web and mobile user interfaces in agile teams. He combines deep React and React Native expertise with practical backend work, contributing end-to-end to the Mattermost open-source project—improving web UI interactions, mobile features like recent mentions and saved posts, and thread/notification logic on the server side. He enjoys sharing knowledge, focuses on clean refactors that simplify component state and lifecycle, and has a track record of shipping UX improvements and localization in production apps. Comfortable across the stack, he brings a pragmatic, user-centered approach to solving race conditions and edge-case bugs that surface in real collaboration platforms.
11 years of coding experience
Department of Informatics Engineering, Crete, Greece
English, Greek
Stackoverflow
2,701reputation
108kreached
69answers
0questions
angularjs
top-5%
angular-ui-router
top-5%
Github Skills (28)
javascript10
react-native10
mobile-development10
web-application10
go10
front-end-development10
webapp10
web-development10
react10
database-api9
ios9
typescript9
databases9
typescript-types9
angularjs9
Programming languages (11)
Github contributions (5)
mattermost/mattermost-webapp
Jan 2021 - Jan 2023
Archived web app of Mattermost. Moved to the monorepo: https://github.com/mattermost/mattermost
Role in this project:
Front-end Developer
Front-end DeveloperContributions:491 reviews, 288 commits, 196 PRs in 2 years
Contributions summary:Kyriakos primarily focused on improving the user interface of the Mattermost web app. Their contributions involved simplifying the emoji reaction animation logic by refactoring the local state of a reaction component and adjusting its lifecycle methods, as well as adding a component with max length validation for the channel name input in the edit category modal, and fixes for thread viewing issues. Furthermore, the user made changes to the UI for the thread viewer, including adding a "new messages" separator and showing appropriate labels.
webapphttps-servermattermostmattermost-server
mattermost/mattermost-mobile
Aug 2021 - Dec 2022
Next generation iOS and Android apps for Mattermost in React Native
Role in this project:Mobile Developer (iOS/Android)
Mobile Developer (iOS/Android)Contributions:154 reviews, 15 commits, 27 PRs in 1 year 4 months
Contributions summary:Kyriakos primarily contributed to the mobile application development for Mattermost, specifically focusing on React Native. Their commits involved refactoring UI components, implementing new screens and features such as recent mentions and saved posts, and integrating these features with the Mattermost database. They also addressed bug fixes, optimized the user interface, and worked on localizing the application.
next-generationreactandroid-appsreact-nativeandroid
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