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1. WatchStoreApi WatchStoreApi Public

   A clean-architecture watch e-commerce REST API built with ASP.NET Core 10. JWT authentication, layered solution, EF Core with SQL Server, FluentValidation, Swagger, and a full xUnit test suite.

   C#

2. ExoraFx ExoraFx Public

   A lightweight currency-exchange service for Ukraine — REST API and a Telegram bot in a single ASP.NET Core process. Live rates from Monobank, PrivatBank, and the National Bank of Ukraine, with conf…

   C#

3. Snake Snake Public

   Snake game is written using WPF and the MVVM pattern.

   C#

4. OptionGreeksCalculator OptionGreeksCalculator Public

   Calculate Greeks (Delta, Gamma, Theta, Vega) by the Option.

   C# 1