Kelvin Baumhardt Biffi Leote
Senior Software Engineer at Mental Kare
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolKelvin Baumhardt Biffi Leote is a Senior Software Engineer based in São Paulo with a decade of experience building product-focused, high-performance web systems and AI-driven platforms. He blends front-end craftsmanship and backend reliability to deliver subscription flows, SEO-optimized content platforms, and real-time analytics for SaaS and e-commerce products. Kelvin has a strong track record designing child-safe AI architectures and multi-agent marketing automation, showing an unusual mix of technical rigor and user-centered, mission-driven work. As an educator and founder of YellowKode Academy he emphasizes execution over theory, mentoring professionals to build practical AI agents and automation systems. Currently driving engineering and product thinking at creator-focused Linkezera while pursuing MBAs in AI and Market Intelligence, he pairs hands-on delivery with growing strategic fluency.
10 years of coding experience
12 years of employment as a software developer
Master of Business Administration - MBA, Artificial Intelligence, Master of Business Administration - MBA, Artificial Intelligence at Faculdade ExameTecnico em Informática, Computer Programming, Tecnico em Informática, Computer Programming at ULBRAPostgraduate Specialization, Leadership and Coaching, Postgraduate Specialization, Leadership and Coaching at Centro Universitário Internacional UNINTER
Portuguese, English, Spanish
Stackoverflow
1reputation
0reached
0answers
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Github Skills (19)
web-components10
rio10
ado10
google-sheet9
js-plugin7
css7
feed7
js6
api6
javascript6
nodejs5
plugin5
prebid4
react3
javascript-api2
Programming languages (6)
Github contributions (5)
kelvinbiffi/kelvinbiffi
Oct 2020 - Feb 2025
Contributions:24 pushes, 1 branch in 4 years 5 months
kelvinbiffi/GSAPI
Mar 2019 - Oct 2020
Feed API Based on a Google Sheet
Contributions:18 commits, 4 PRs, 13 pushes in 1 year 7 months
apisheetgoogle-sheetnodejsfeed
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