André Valle
Founder & CTO at Vertex21
Rio de Janeiro, Brazil
Summary
👤
Senior🎓
Top SchoolAndré Valle is a seasoned software engineer and founder currently serving as Founder & CTO at Vertex21, with over a decade of experience building scalable web and fintech products from Rio de Janeiro. He has delivered impact at scale—helping Mercado Pago reach 64M monthly users and improving developer velocity for 500+ engineers by leading migrations (Webpack, Babel→SWC) and evolving internal frameworks. His background spans frontend architecture, PWAs, micro-frontends, serverless backends and performance optimizations, with hands-on work in React, TypeScript, Go and AWS. He led the rebuild of a major B2B portal at Blu, cutting feature delivery time by ~35%, and contributed to a startup acquisition after improving a price-comparison platform’s scalability. As a community organizer and mentor, he blends product-focused engineering with developer experience and design system discipline. Notably, he pairs deep operational improvements with pragmatic leadership, shifting teams toward faster, more maintainable delivery.
11 years of coding experience
11 years of employment as a software developer
React | Ignite, Software engineer, React | Ignite, Software engineer at RocketseatPós-graduação em Privacidade e Proteção de Dados Pessoais, Tecnologia da Informação, Pós-graduação em Privacidade e Proteção de Dados Pessoais, Tecnologia da Informação at DescomplicaHigh School, Analysis and Systems development, High School, Analysis and Systems development at Instituto InfnetEngenharia de Software - Cloud engineering AWS, GoLang and others., Engenharia de Software - Cloud engineering AWS, GoLang and others. at Full Cycle
English, Portuguese
Github Skills (85)
focus10
modal-dialog10
react-modal10
jstree10
javascript9
shiny9
gulp9
dialog9
react-native9
requirejs9
knockoutjs9
react9
docusaurus9
angular8
browser8
Programming languages (5)
Github contributions (5)
andrevvalle/andrevvalle.github.io
Mar 2015 - May 2019
My personal website
Contributions:3 PRs, 33 pushes, 1 comment in 4 years 3 months
reactnextjs
front-end-carioca/fec-2015
Apr 2015 - Sep 2015
Contributions:85 commits, 8 PRs, 63 pushes in 5 months
cssjavascriptfront-endfrontend
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