A collection of personal and professional projects, including backend systems, web applications, service integrations, legacy migrations and microservices solutions.
Oracle Forms to VB.NET migration
Modernization of a legacy Oracle Forms 6 system into a VB.NET desktop application for processing massive TXT files. Processing time was reduced from about 25 minutes to 2 minutes through code reengineering, memory optimization and automatic report generation.
Microservices for e-commerce
Backend based on microservices architecture for an online store, with product, order, user and payment services. Includes Spring Cloud, Eureka, Feign Client and Docker.
Secure backend with payments
Application for managing medical appointments with JWT authentication, role-based access, Stripe payment integration and Dockerized deployment.
Angular + ASP.NET Core
Platform for creating and managing blog posts, with an Angular frontend, ASP.NET Core REST API, EF Core, SQL Server and Swagger documentation.
Pet services platform
Airbnb-style platform for pets where users can hire sitters for lodging or services. Backend built with Express, Sequelize and MySQL.