João Melo
Software Engineer at Resend
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolJoão Melo is a seasoned Software Engineer with 11 years of experience and a proven track record building scalable, performance-driven web and AI systems using JavaScript/TypeScript, Node.js, React, Next.js and PostgreSQL. He has shipped production platforms at startups and scale-ups—from leading microservices and CI/CD efforts to optimizing Coinbase’s homepage for millions of users—and recently contributed AI-focused features and novel algorithms (like Dynamic Top K) to the LangChain ecosystem. A self-taught coder who started writing Java plugins at 12, João blends hands-on engineering with mentorship and product-focused thinking, having led teams, reduced technical debt, and delivered high-impact features like RAG/embeddings and payment integrations. Based in São Paulo, he pairs technical depth with a love for travel and open-source projects (creator of Nodepad), bringing curiosity-driven creativity to every codebase he touches.
11 years of coding experience
8 years of employment as a software developer
Fédération Internationale de l'Art PhotographiqueBootcamp, Node.JS, ReactJS, React Native, Bootcamp, Node.JS, ReactJS, React Native at Rocketseat
Portuguese, English
Github Skills (166)
tooling10
ui-components10
hot-reload10
material-components10
testing10
e2e10
browserify10
html-webpack-plugin10
javascript10
vue-i18n10
typescript10
vuejs310
testing-library10
vue-component10
vue10
Programming languages (8)
Github contributions (5)
joaomelo/balance
Apr 2021 - Jan 2022
It is a web app that records accounts' balances (from credit cards or loans for example) and shows their evolution in a chart.
Contributions:2 PRs, 170 pushes, 8 branches in 9 months
reactcreditevolutionchartrecords
joaomelo/libt
Jan 2020 - Nov 2021
Libt is an opinionated JavaScript library template. The code itself has no practical utility; it serves as a placeholder to be replaced when using the template.
Contributions:17 PRs, 48 pushes, 19 branches in 1 year 10 months
templatejavascript-libraryjavascriptservespractical
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.