Guilherme De Souza
Senior Front-end Developer at AlayaCare
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolGuilherme De Souza is a senior front-end developer with over a decade in software engineering and seven years focused on modern front-end stacks, currently building marketplace features with Vue.js, VUEX and robust test suites at AlayaCare. He brings hands-on experience across React and legacy ecosystems, having delivered high-impact products like a billing transparency MVP that reduced costs by ~95% while maintaining >99% unit test coverage. Comfortable in both startup and enterprise settings, he pairs strong usability instincts with pragmatic engineering—frequently influencing product and technical decisions to optimize scalability and user experience. Fluent in English and based in São Paulo, he continuously expands his skillset, blending deep front-end craftsmanship with practical DevOps practices such as Docker and CI/CD. An adaptable developer, he also has roots in mobile and Flash-era game development, giving him a broad perspective on performance and cross-platform UX.
11 years of coding experience
11 years of employment as a software developer
Bachelor’s degree, Information Systems, Bachelor’s degree, Information Systems at Universidade Estadual Paulista 'Júlio de Mesquita Filho'Master of Business Administration (MBA), Process Management, Master of Business Administration (MBA), Process Management at Faculdade FGPColégio Técnico Industrial "Isaac Portal Roldán" - Bauru - UNESP
Portuguese, English
Github Skills (32)
lcov10
nyc10
coverage10
redux10
husky10
istanbul10
ninja9
react-context9
react9
state-management9
js8
javascript8
testing7
json7
devtools7
Programming languages (3)
Github contributions (5)
venturalp/curso-javascript-ninja
Apr 2018 - Sep 2020
Curso Javascript Ninja
Contributions:4 pushes, 5 branches in 2 years 5 months
javascriptcursocurso-javascriptninja
venturalp/luizalabs-challenge
Nov 2020 - May 2021
Contributions:20 PRs, 15 pushes, 22 branches in 6 months
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