Guilherme Santiago is a Specialist Mobile Developer with 11 years of experience building production-grade mobile and web applications from Paraná, Brazil. He has deep hands-on expertise in React Native, Styled Components, navigation, automated testing (Jest, Cypress), CI/CD (Azure, AppCenter) and observability tools like Dynatrace and Google Analytics. At Paraná Banco he led development of a banking app integrating Firebase features (Remote Config, A/B, Push, Dynamic Links), Storybook component documentation, and data dashboards in Google Data Studio. His background includes front-end and e-commerce projects where he combined web and mobile delivery, monorepo and microfrontend architectures, and performance monitoring. Comfortable across the full delivery lifecycle, he pairs practical engineering with product-focused instrumentation to keep apps reliable and measurable. Despite a primarily proprietary-project history, he consistently applies rigorous testing and CI practices that reduce risk in regulated domains like banking.
11 years of coding experience
8 years of employment as a software developer
Técnico em Informática para Internet, Tecnologia da Informação, Técnico em Informática para Internet, Tecnologia da Informação at Opet
Stream-based library for parsing and manipulating subtitle files
Contributions:6 releases, 178 commits, 61 PRs in 7 years 3 months
stringifyparserssubripstreamcaptions
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Guilherme Santiago - Specialist Mobile Developer at Grupo Boticário