At SYSNET Ltda, I lead the architecture and engineering of web applications and microservices with NestJS, Node.js, and React.js. I’ve secured RESTful and GraphQL APIs with JWT and role-based access control, cutting critical endpoint latency by over 25%.
I’ve tuned SQL Server and MongoDB schemas and added Redis caching for datasets exceeding 100K records. I also established Jest and React Testing Library suites that maintain test coverage above 80%.
At SYSNET Ltda, I’ve improved frontend performance with Next.js rendering and streamlined deployments with GitHub Actions and Docker. My work spans the TypeScript ecosystem, AWS, and production web applications.
