Alexander Farkas
Senior Frontend Architect at Unic
Berlin, Germany
Summary
🤩
RockstarAlexander Farkas is a Senior Frontend Architect based in Berlin with 11+ years of TypeScript-focused experience building responsive, accessible web applications and component libraries for enterprise clients and public platforms. He has led major relaunches and PWA proofs of concept for organizations like Unic, SBB, Volkswagen Financial Services and ZDF, shaping UX, performance and white-label design systems at scale. A prolific open-source contributor, Alexander has improved the widely used lazysizes library, optimizing image ratio handling and performance-sensitive refactors that impact SEO and load behavior across many sites. He works in a tight technical/design pairing as part of boffinHouse, combining deep front-end engineering with design-driven product thinking to increase availability and maintainability. Known for pragmatic architecture and a focus on efficient, maintainable code, he thrives on turning complex requirements into elegant, production-ready interfaces.
11 years of coding experience
16 years of employment as a software developer
Stackoverflow
13,884reputation
1.2mreached
207answers
5questions
css
top-5%
html
top-1%
image
top-1%
jquery-ui
top-1%
responsive-design
top-1%
dom
top-1%
Github Skills (28)
javascript10
performance-monitor10
image10
responsive-design10
responsive-images10
audio10
lazy-loading10
performance-analysis10
firefox10
dom10
html10
jquery-ui10
internet-explorer10
lazyload10
jquery9
Programming languages (7)
Github contributions (5)
aFarkas/lazysizes
Oct 2018 - May 2021
High performance and SEO friendly lazy loader for images (responsive and normal), iframes and more, that detects any visibility changes triggered through user interaction, CSS or JavaScript without configuration.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:86 releases, 142 commits, 72 PRs in 2 years 7 months
Contributions summary:Alexander primarily focused on improving the functionality and performance of the `lazysizes` library, a lazy loading library for images. Their contributions include fixing image ratio calculations, using the same array for the unique resources callback function in the include plugin, and adding aspect-ratio to rias for calculating image height. Furthermore, the user worked on refactoring the code base to improve performance.
cssiframejavascriptseolazyload
aFarkas/requestIdleCallback
Jan 2019 - Apr 2021
A requestIdleCallback shim/polyfill
Contributions:2 releases, 3 commits, 4 PRs in 2 years 3 months
requestidlecallback
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