Willian Viana
Senior Full Stack Developer at World Resources Institute
Washington, District of Columbia, Brazil
Summary
👤
Senior🎓
Top SchoolWillian Viana is a Senior Full Stack Developer based in São Paulo with nine years of professional experience building and scaling web applications across e‑commerce, fintech, and environmental data platforms. He currently helps power Global Forest Watch at the World Resources Institute, bridging frontend needs and data tooling to deliver impactful features for forest protection. Comfortable across React, Redux, Node.js and serverless AWS architectures, he has led teams to improve delivery processes, introduce testing culture, and refactor BFF and internal APIs for measurable performance gains. At PagSeguro and Leroy Merlin he drove checkout migrations and response-time improvements that moved large user bases to new flows. Known as a JavaScript enthusiast and Star Wars fan, he combines hands-on coding with team coaching and architecture-level thinking to turn product goals into reliable, testable systems.
10 years of coding experience
8 years of employment as a software developer
Tecnologo, Análise e Desenvolvimento de Sistemas, Tecnologo, Análise e Desenvolvimento de Sistemas at Fatec São Caetano do SulTechnical Degree, Software Analysis and Development, Technical Degree, Software Analysis and Development at Universidade Cruzeiro do Sul
Portuguese, English
Github Skills (28)
monitoring10
annotations10
browser-extension10
satellite-imagery10
nextjs10
firefox-addon10
chrome-extension10
redux10
full-text-search10
annotate10
react10
javascript9
rio9
typescript9
podcast9
Programming languages (4)
Github contributions (5)
wri/gfw-blog
May 2023 - Jul 2026
The Global Forest Watch blog
Contributions:9 reviews, 65 PRs, 101 pushes in 3 years 2 months
gatsbyforest
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