// initializing
LOHANBATISTA
Senior Software Engineer
React · React Native · Node.js · NestJS · Angular · Ionic · SwiftUI · TypeScript
About
Arsenal
Production-grade web apps with SSR, SSG, and dynamic interfaces. From dashboards to complex platforms.
Cross-platform mobile apps with offline-first architecture, native performance, and enterprise-grade reliability.
Type-safe engineering across the entire stack. Clean architectures, robust APIs, and bulletproof interfaces.
Backend services, BFF patterns, REST & GraphQL APIs. Scalable microservices and clean architecture.
Redux, Redux Saga, GraphQL, Context API. Complex state management for real-world applications.
Docker, automated pipelines, Yarn Workspaces. Monorepo management and containerized deployments.
Enterprise-grade SPAs with Angular and AngularJS. Component architecture, dependency injection, and reactive patterns.
Hybrid mobile apps with native-like performance. Cross-platform deployment from a single codebase using web technologies.
Native iOS interfaces with declarative syntax. Modern Apple ecosystem development with clean, responsive layouts.
Highlights
Modularized React Native apps for one of Brazil's largest pharmacy chains. Reduced build sizes by 40%, engineered architectural designs across squads for medication control and checkout, and integrated with Vitat wellness platform boosting cross-platform engagement by 25%.
Spearheaded the technological restructuring of a legacy Delphi system for Brazil's largest hospital network. Rewrote the platform with React.js and NestJS, achieving 99.9% uptime post-migration with clean architecture and automated testing.
Launched a high-performance streaming application for Samsung TVs, increasing user engagement by 18%. Built alongside NeuroScan's security protocols, reducing breach exposure by 60% with real-time threat detection.
Designed a fintech banking app ensuring financial compliance with 97% crash-free sessions. Built a club management system for GNU with real-time bookings and subscription management, improving operational efficiency by 25%.
Enhanced a missing persons app by integrating facial recognition technologies, improving successful case resolutions by 20%. Built the Sistema de Participação enabling direct communication between delegates and judges.
Chronicle
Leading modular architecture for Droga Raia/Drogasil apps. Migrated Rede D'Or from legacy Delphi to React/NestJS. Clean architecture and automated testing for healthcare at scale.
Built Samsung TV streaming app for Caracol TV. Designed NeuroScan security with real-time threat detection and CVE management, reducing breach exposure by 60%.
Delivered digital banking for Gazin Bank, club management for GNU, railway ops for Greenbrier, and hospitality platforms for Hyatt Development.
Led end-to-end development of Plamev Pet's health plan app. Vaccine tracking, scheduling, geolocation for veterinary clinics. Delivered 10% ahead of schedule.
Built facial recognition integration for SOS Desaparecidos. Created communication platform for delegates and judges, reducing case review times by 15%.
Enhanced residential condominium management app with maintenance requests, resident chat, and security camera integrations.
Developed fintech banking platform and geolocation-based sales funnel. Migrated to React Hooks, reducing code by 25% and improving readability by 15%.
Let's Build
Something extraordinary