Pedro Fonseca is a Lead Software Engineer based in São Paulo with 11 years of experience and seven years focused on web development and application security. He has progressed from frontend engineering and browser extensions to leading teams and shaping system architecture at companies like Méliuz, Loggi, and currently Nubank. Pedro blends deep JavaScript expertise (React, Node, Next) with practical AppSec and cloud-security practices, having implemented secure real-time systems using gRPC, Kafka, WebSockets and server-side rendering. He has led cross-functional projects that improved onboarding, SEO performance, and product reliability, and mentored engineers through architecture decisions and code reviews. Curious by training in interaction design and computer science, he brings both user-centered thinking and rigorous technical stewardship to high-impact fintech and logistics platforms.
11 years of coding experience
7 years of employment as a software developer
Bachelor, Computer Science, Bachelor, Computer Science at Federal University of Minas Gerais
Interaction Design Graduate Studies, Interaction Design, Interaction Design Graduate Studies, Interaction Design at Pontifical Catholic University
Website with my personal info, project, social network profiles and my blog
Contributions:14 PRs, 17 pushes, 14 branches in 1 year 9 months
social-networkmy-blogsocial-network-project
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