Guilherme Guerzoni
Senior Frontend Engineer at Qatar Development Bank
Krakow, Lesser Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolGuilherme Guerzoni is a Senior Frontend Engineer and team lead with 8–9 years of experience building high‑stakes web applications and payments/KYC systems across Europe, LATAM and the Middle East. He combines deep front‑end expertise in TypeScript, React and Angular with hands‑on backend work in Node.js to own end‑to‑end JS/TS stacks, shared component libraries and production integrations for national‑scale and banking platforms. Guilherme has led cross‑functional teams through complex migrations and compliance-driven projects, reducing manual interventions in KYC flows and improving performance and reliability under heavy load. He brings measurable impact—API latency and throughput improvements, streamlined verification UX, and robust error/validation frameworks—while maintaining accessibility and security standards. Based in Krakow and an EU citizen with multicultural experience (BR/IT/PL), he pairs engineering craft with product sensibility and frequent developer coaching.
8 years of coding experience
9 years of employment as a software developer
Escolas Técnicas EstaduaisBachelor Computer Science, Information Technology, Bachelor Computer Science, Information Technology at Universidade Paulista
Portuguese, English
Github Skills (35)
wallet7
cryptocurrency6
skeleton6
android5
react-redux5
ios5
recorder5
javascript5
testing4
redux4
hybrid4
screen-recorder4
nextjs4
macos4
react4
Programming languages (2)
Github contributions (5)
g-guerzoni/brazilian-barcode-boleto
Nov 2018 - Mar 2025
Contributions:1 release, 3 pushes, 1 branch in 6 years 4 months
Guercione/react-redux-skeleton
Nov 2019 - May 2022
Skeleton - React | Redux | Saga | Material UI | Jest | Testing Library
Contributions:5 PRs, 12 pushes, 3 branches in 2 years 6 months
reactreact-skeletonredux-sagajestskeleton
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.