ViniciosMelo

Built and evolved digital security features — data leak monitoring, phone blocking on theft, emergency activation, insurance, and a complete protection ecosystem. Delivered observability, analytics tagging, and full-stack endpoint work.

Developed and maintained a CRM system for the pharmaceutical industry — monitoring doctor visits, recording events, sample distribution. Implemented an Offline First approach with local data sync via Drift/SQLite and integrated Google Maps geolocation.

Modularized a banking application's architecture and built Pix payment modules. Integrated Central Bank of Brazil APIs and fintech payment providers. Set up CI/CD pipelines and TestFlight distribution for beta testing.

Developed marketplace features inside the Next app using Flutter. Integrated VTEX microservices for cashback, cart, and order processing. Implemented native Android/iOS modules and analytics tagging with Google Analytics and Firebase.

Designed and developed web systems and mobile applications. Configured AWS infrastructure (EC2, load balancers, S3). Maintained legacy PHP/Node systems and developed complex SQL queries for academic data management.

Architected a Flutter application using MVVM, consuming RESTful APIs for sales, payment links, and delivery requests. Built responsive UI components and automated unit tests for business logic and data access layers.