Dmytro Voronianski - Staff Engineer at SumUp

Dmytro Voronianski

Staff Engineer at SumUp

Berlin, Germany

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Summary

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Rockstar

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Top School

Dmytro Voronianski is a Staff Engineer based in Berlin with 13 years of hands-on experience building front-end driven products and design systems. He’s known for pragmatic, compatibility-focused work—maintaining and modernizing libraries like flummox and improving React components such as react-dropzone and circuit-ui. His contributions span UI engineering, accessibility fixes, real-time geolocation demos, and bespoke audio player interfaces, evidencing deep familiarity with JavaScript, Lua, and Swift ecosystems. At SumUp he progressed from Senior to Staff Engineer, bringing practical leadership to component libraries and platform-level concerns. A former co-founder of Likeastore, he pairs entrepreneurial instincts with steady open-source stewardship across widely used repos. Peers rely on him for subtle bug fixes and build-tool modernizations that keep legacy projects usable in the current web stack.

14 years of coding experience

11 years of employment as a software developer

Kyiv National Linguistics University

Ukrainian, English, German

Stackoverflow

Stats

21,064reputation

2.4mreached

31answers

203questions

Badges

javascript

top-5%

Github Skills (50)

babel610

javascript10

react-components10

virtual-dom10

jquery10

leaflet10

component-development10

css10

drag-and-drop10

user-interface10

websocket10

ui-design10

react-component10

webpack10

uid10

Programming languages (15)

JavaCSSC++CVueHTMLTypeScriptCoffeeScript

Github contributions (5)

voronianski/jquery.avgrund.js

Aug 2012 - Jun 2020

Avgrund is jQuery plugin with new modal concept for popups

Role in this project:

Front-end Developer

Contributions:111 commits, 2 PRs, 4 pushes in 7 years 11 months

Contributions summary:Dmytro primarily contributed to the front-end development of the jQuery plugin "Avgrund", a modal concept for popups. Their commits focused on modifying the HTML, CSS, and JavaScript files to implement features such as a custom close button, blur effects, and dynamic content loading. They also updated the example index.html and CSS files to improve the overall user experience and visual design of the modal.

jquery-plugin

likeastore/ngDialog

Dec 2013 - Feb 2017

Modals and popups provider for Angular.js applications

Role in this project:

Front-end Developer

Contributions:264 commits, 29 PRs, 68 pushes in 3 years 2 months

Contributions summary:Dmytro's commits focus on the implementation and enhancement of a modal and popup provider for Angular.js applications. The initial commit demonstrates the creation of the core JavaScript file (`ngDialog.js`) and an example HTML file, establishing the foundational structure for the library. Subsequent commits include the development of CSS styles and animations, indicating a strong focus on UI/UX development and user experience. The user implemented features such as animation and styling for dialogs.

angularjs-applicationmodals

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