João Effting
Staff Engineer Frontend Developer Reactjs Nextjs at FDJ UNITED
Stockholm, Sweden
Summary
👤
Senior🎓
Top SchoolJoão Effting is a seasoned Staff Front-End Engineer based in Stockholm with over a decade of professional experience and an 18+-year journey in software spanning Brazil and Sweden. He specializes in React and Next.js, driving architectural decisions, refactorings, and delivery improvements that cut time-to-market for products from four weeks to under two. Comfortable coaching teams and interfacing with product and UX, he has evolved into a go-to tech lead who balances hands-on coding with strategic design. His background includes cross-platform projects from Electron-based POS systems to React Native VR interfaces, reflecting a pragmatic approach to choosing the right stack. João pairs formal training in systems development with continuous, practical learning via projects and freelancing, making him adept at shipping customer-focused frontend solutions in fast-moving environments.
10 years of coding experience
10 years of employment as a software developer
Analise e Desenvolvimento de Sistemas Tecnologia da Informação, Analise e Desenvolvimento de Sistemas Tecnologia da Informação at Centro Universitário FranciscanoFull Stack Web Development Certification Computer Software Engineering, Full Stack Web Development Certification Computer Software Engineering at freeCodeCampAnalise e Desenvolvimento de Sistemas T.I, Analise e Desenvolvimento de Sistemas T.I at FAE Centro Universitário
Portuguese, English
Stackoverflow
36reputation
4kreached
3answers
0questions
Github Skills (86)
validation10
react-hooks10
nodejs10
react10
javascript9
react-native-web9
flexbox9
datepicker9
realtime9
date-fns9
yup9
react-native9
validations9
npm9
react-apollo9
Programming languages (5)
Github contributions (5)
joaoeffting/multi-step-form-with-react-hook-forms
Mar 2022 - Aug 2024
Contributions:4 pushes in 2 years 5 months
Webschool-io/Curso-React-Redux
Apr 2017 - May 2017
Contributions:5 commits, 5 pushes in 16 days
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