Leading the end-to-end development of a new mobile application starting March 2025. Sole developer responsible for architecture, front-end (React Native), back-end (Nest.js), database (PostgreSQL), containerization (Docker), and infrastructure planning.
Built the app from scratch to replace my personal accounting system. Published to the Play Store (currently available only in Brazil). The app is based on the formation of the habit of expense tracking, generating financial intelligence like installments/subscriptions control, category distribution, and projections.
Main responsible for maintenance and feature development for a large-scale Angular PWA relationship app (Feb 2021 - Mar 2025). Led code refactoring, reviews, testing (Jasmine >60% coverage), documentation, junior training, and Angular updates (v11 to v19). Implemented performance improvements and organized development workshops. Key outcome: Increased performance, major new feature tested, project structure reorganized using NX for monorepo.
Planned, designed, and developed the website for an animal sanctuary (Volunteer work). Created custom systems for animal sponsoring (integrated with payment gateway), adoption forms (optimizing process), and volunteer registration. Also handled email configuration and general maintenance. Active participant in planning meetings.