Raphael Serafim
Senior Software Developer at Hadronlink Connectus
Old Toronto, Ontario, Canada
Summary
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Senior🎓
Top SchoolRaphael Serafim is a Senior Software Developer based in Toronto with 8+ years building full-stack web applications and APIs, specializing in PHP, Node.js, and React. He’s proven at delivering end-to-end solutions—designing performant back-end architectures, secure Nginx/Apache deployments, and responsive TypeScript front-ends. His projects include API-WA.me, a production-grade API platform, and Receitas de Chef, a high-traffic culinary site demonstrating his focus on UX and performance optimization. Comfortable across SQL/MariaDB, Python for AI work, and Linux environments, he blends practical systems knowledge with emerging AI and blockchain interests. A former Brazilian Air Force servicemember, he brings disciplined problem-solving and a collaborative mindset to fast-paced teams. Holding an open work permit, he’s ready to join new projects immediately and often pairs pragmatic engineering with measurable user impact.
5 years of coding experience
11 years of employment as a software developer
Bacharelado Sistema de informação, Bacharelado Sistema de informação at UNIFAMA
Portuguese, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (71)
expressjs10
nodejs-bot10
whatsapp10
api9
decorators9
nodejs-api9
multer9
rest-api9
plugin9
wallet8
readable8
middleware8
php-library8
api-client8
php8
Programming languages (5)
Github contributions (5)
raphaelvserafim/classe-php-api-whatsapp
Mar 2022 - Mar 2022
Contributions:2 releases, 27 commits, 22 pushes in 1 day
koalla-io/koalla-server
Aug 2024 - Mar 2025
Contributions:14 PRs, 218 pushes, 4 branches in 6 months
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