Platform handling negotiation and renegotiation flows for debts, loans, and credit cards. Serves a financial institution with 400B+ BRL in assets, managing credit recovery for 9M+ associates across Brazil. Collaborated closely with BSAs on implementation decisions, applied security hardening via Checkmarx, optimized rendering performance, and migrated the build system from Webpack to Vite.

Mobile app centralizing school books, supplementary materials, activities, and integrations with educational tools used by one of Brazil's largest educational publishers. Led a small team, adapted an existing web application to native mobile with React Native, built a BFF in NestJS to decouple and adapt APIs for mobile, and integrated Firebase for analytics and push notifications.