Ariel Wiznia
Senior Software Engineer at Freelancer, Argentina
Mar del Plata, Buenos Aires, Argentina
Summary
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SeniorAriel Wiznia is a senior frontend engineer with over 15 years' experience delivering responsive, high-performance web interfaces across enterprise and agency projects. Based in Mar del Plata, Argentina, he has led frontend efforts for global brands like Estée Lauder and Samsung and optimized marketing platforms and e-commerce stacks, including Shopify and headless Contentful migrations. He specializes in HTML, CSS and JavaScript with a strong React background and a consistent focus on accessibility, Core Web Vitals, and pixel-perfect design. As a long-time freelancer he pairs hands-on implementation (custom WordPress theming, HubSpot builds) with pragmatic performance and UX tradeoffs. He’s also shared his expertise publicly—presenting on CSS Grid—and experiments with frontend ideas on CodePen, reflecting a continual appetite for learning and creative problem solving.
10 years of coding experience
13 years of employment as a software developer
English, Hebrew, French
Github Skills (36)
color-picker10
windows10
desktop10
browser9
powertoys9
react9
theme-development8
nextjs8
filter8
emmet8
lists7
shopify7
javascript7
typescript7
compiler7
Programming languages (7)
Github contributions (5)
wiznia/Responsive-Robin
Apr 2016 - Dec 2018
Contributions:5 commits, 4 pushes, 1 branch in 2 years 8 months
wiznia/.vimrc
May 2018 - Mar 2025
Contributions:1 PR, 26 pushes, 1 branch in 6 years 10 months
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