Production-ready EF Core data seeding patterns for .NET: model-based HasData seeding and custom runtime seeders with idempotency guards, repository pattern, and full test coverage.

A real-time 1-to-1 chat app built with Flutter and Redis, featuring session-based messaging, temporary in-memory storage, and automatic message deletion after session closure. Includes both frontend and backend implementation for fast, secure, and private communication.

Secure, modern REST API built with C# 13 and ASP.NET Core 9.0, featuring OAuth2 (PKCE via LinkedIn), JWT, EF Core, Swagger, and clean architecture. Currently in development mode.