Juraj Husár, Developer in Košice, Slovakia
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Juraj Husár

Verified Expert  in Engineering

Web Developer

Košice, Slovakia
Toptal Member Since
August 14, 2017

Juraj is an open-minded web developer who's ready for new challenges. He has spent most of his career in web development—starting with PHP, later working with Java and Spring, and now he's mastering the front-end field. He loves working with great people, inspiring others, and being inspired.


Lightbox Digital on the Clearabee Project (via Toptal)
CSS3, TypeScript, Redux, React, JavaScript, Web Development, REST APIs, CSS
Perform Group
CSS3, Agile Software Development, Scrum, TypeScript, Redux, React, JavaScript...
CSS3, TypeScript, Redux, React, JavaScript, Web Development, WebSockets, Webpack




Preferred Environment

Linux Servers, Windows, Git, Visual Studio Code (VS Code)

The most amazing...

...thing I built was a web app dedicated to controlling sport data quality—using React and TypeScript in a way so that it's quick, scalable, and maintainable.

Work Experience

Web Developer

2017 - PRESENT
Lightbox Digital on the Clearabee Project (via Toptal)
  • Developed an application from the ground up; also configured the project structure and application skeleton.
  • Created reusable React components for the date picker, dropdown, buttons, and input styles according to the provided designs.
  • Delivered application screens: the login, reset password flow, and administration pages.
Technologies: CSS3, TypeScript, Redux, React, JavaScript, Web Development, REST APIs, CSS

Front-end Tech Lead

2013 - 2017
Perform Group
  • Designed the application architecture on TypeScript, React, and Redux.
  • Designed a REST API with a subteam of back-end developers.
  • Configured the project's Webpack build process.
  • Led the front-end developers—doing code reviews to achieve maintainable and high-quality code.
  • Worked in an agile scrum team.
  • Created 27 web portals for the Football Federation in Australia, based on a custom dynamic template system.
  • Built a front-end permissions library which became the company standard.
  • Developed JavaScript sports widgets in an Agile distributed team.
  • Created and improved graphical D3.js sports widgets—like pitches with positions and movements of players.
  • Organized workshops for colleagues about Regular Expressions, Redux, and few smaller technical sessions.
Technologies: CSS3, Agile Software Development, Scrum, TypeScript, Redux, React, JavaScript, Web Development, Sass, D3.js, WebSockets, Webpack, PostCSS

Front-end Developer

2016 - 2016
  • Developed a modern application for controlling devices in homes.
  • Integrated a real-time WebSocket to see all changes intermediately.
  • Implemented pixel-perfect design using vertical alignments.
Technologies: CSS3, TypeScript, Redux, React, JavaScript, Web Development, WebSockets, Webpack

Web Developer

2011 - 2013
  • Created and improved back-end and front-end solutions on complex projects.
  • Developed a knowledge system based on Confluence, using custom themes and plugins.
  • Built a complex UI on Java Swing and also GWTP.
  • Worked on an enterprise Java service/localization system for a German automotive company.
Technologies: CSS3, JavaScript, Web Development, Spring, Hibernate, GWT, Java

Web Developer

2009 - 2013
Bang Team
  • Developed themes and plugins on WordPress.
  • Reworked completely a magazine site using the framework Laravel.
  • Integrated Google Maps for displaying event locations.
  • Built a basic mobile application written in React Native.
Technologies: CSS3, WordPress, JavaScript, Web Development, Grunt, PHP, Laravel

Simple React Blog

This is an app for the administration of a simple blog database. The app is based on React with Redux connected to Firebase as a NoSQL back end. Currently, the back end is switched to "fake" to see the app functionality without configuring Firebase.

Bang.sk Magazine

A Laravel-powered website.

My Simple Blog

My personal mini-blog site built on the Laravel framework. The CMS is an application running on React and Redux, using a Firebase service to store simple JSON objects.

My CV Online

My resume but an online, responsive, and printable format of the website.


ECMAScript (ES6), JavaScript, CSS3, C++, HTML5, TypeScript, GraphQL, Sass, CSS, Java, PHP, SQL, Bash


.NET, Redux, React Native, Laravel, Graphcool, YARN, Jest, GWT, Hibernate, Spring, Express.js, Serverless Framework


React, Redux-Saga, Sinon.JS, D3.js, REST APIs, Immutable.js, jQuery, Chai, Flexbox, Node.js


NPM, Mocha, PostCSS, Webpack, Grunt, Webpack 2, Git


Web Development, Front-end Development, Embedded Software, Linux Servers, Ethereum Smart Contracts, Enzyme, Web UX, DNS Configuration, Content Delivery Networks (CDN), SVG, WebSockets


Ethereum, Visual Studio Code (VS Code), Windows, WordPress, Blockchain, DigitalOcean, Docker, Linux, Firebase


Agile Software Development, Functional Programming, Scrum, Agile



2009 - 2014

Master’s Degree in Computer Science

Technical University of Košice - Košice, Slovakia


Toptal React Native Academy


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