Jonas Antonelli
Senior Frontend Engineer (Remote) at Sermo
Barcelona, Catalonia, Spain
Summary
👤
Senior🎓
Top SchoolJonas Antonelli is a Senior Frontend Engineer based in Barcelona with 12 years of web development experience and a background that includes five years in backend work before specializing in front-end systems. He has led design system development and frontend platform architecture at RD Station, driven PWA initiatives and performance-focused projects, and championed code quality and team mentorship across multiple companies. Comfortable collaborating with designers, product managers and researchers, he combines pragmatic engineering with product-minded thinking to ship usable, optimized interfaces. Notably, he has a track record of early business impact (helping a project reach breakeven ahead of schedule) and regularly interviews and trains new talent, reflecting both technical depth and people leadership.
12 years of coding experience
13 years of employment as a software developer
Bacharel, Ciência da Computação, Bacharel, Ciência da Computação at Universidade do Sagrado Coração
Portuguese, English
Stackoverflow
46reputation
3kreached
6answers
2questions
Github Skills (88)
storybook10
ui-components10
testing10
css-in-js10
autocomplete10
styled-components10
google-map10
date-fns10
google-maps10
javascript10
react-component10
places-autocomplete10
html10
datepicker10
angular10
Programming languages (6)
Github contributions (5)
jonasantonelli/angular-dropdown-box-directive
Mar 2015 - May 2015
Contributions:22 commits, 20 pushes, 2 branches in 1 month
jonasantonelli/angular-prevent-scroll
Jun 2014 - Feb 2017
Contributions:20 commits, 15 pushes in 2 years 8 months
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