Jaroslav Polakovič
WordPress Engineer at News UK
Prague, Prague, Czechia
Summary
🤩
Rockstar🎓
Top SchoolJaroslav Polakovič is a seasoned WordPress engineer and full-stack web developer with over a decade of hands-on experience building high-performance sites and apps. Based in Prague, he has spent much of his career at XWP and now News UK, working across React, Next.js, Svelte and WordPress while mentoring teammates as a technical advisor. He’s notable for practical front-end modernization work—migrating Jetpack’s jQuery modules to vanilla JavaScript to boost performance and reduce dependencies. His background blends formal web engineering education with deep front-end craft (HTML5/CSS/SASS/JS) and server-side JavaScript, enabling end-to-end delivery of scalable, maintainable web experiences.
12 years of coding experience
18 years of employment as a software developer
Bachelor, Software technologies & management, Bachelor, Software technologies & management at Czech Technical University in Prague Faculty of Electrical EngineeringMasters, Web Engineering, Masters, Web Engineering at Czech Technical University in Prague Faculty of Information Technology
Czech, Slovak, English, German
Github Skills (9)
wordpress10
javascript10
php9
react8
plugin7
js7
html6
css6
jquery4
Programming languages (5)
Github contributions (5)
Automattic/jetpack
Feb 2020 - Feb 2021
Security, performance, marketing, and design tools — Jetpack is made by WordPress experts to make WP sites safer and faster, and help you grow your traffic.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:19 commits, 16 PRs, 30 pushes in 11 months
Contributions summary:Jaroslav primarily focused on migrating existing jQuery-based JavaScript code within the Jetpack plugin to vanilla JavaScript, improving performance and reducing dependencies. Key contributions include rewriting the Ads module, Comment Likes, Gravatar Hovercards, Widgets (Search & Milestone), and Lazy Images functionality to utilize native JavaScript. The user also updated the Infinite Scroll and Tiled Gallery modules to use vanilla JavaScript, enhancing their maintainability.
reactexpertswordpressphpsecurity
GoogleChrome/kino
Feb 2021 - Apr 2022
Contributions:72 reviews, 208 commits, 13 PRs in 1 year 2 months
web-devdevwebrtcstreamingpwa
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