Hojin You

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Peruser

Web-based marketplace with a custom currency system.

overview

RESTful API written in C#, using Entity Framework read and write from SQLite DB.

challenges

  • Implementing a secure and efficient custom currency system
  • Optimizing performance for quick loading of product listing and images
  • Responsive UI without relying on modern frameworks

solutions

  • SQLite DB with C# Entity Framework for proof of concept platform with simple transaction logic
  • Using third party image hosting website, storing links to the image
  • Flexbox and Grids allowing users to toggle between views

learnings

  • RESTful naming conventions & using DTOs
  • Not worth wasting time on building your own auth
  • I need to practice my frontend

Contributions

Backend

  • Listing CRUD and offer system
  • Buy feature with currency
  • Refactored repositories to async/await

Frontend

  • Profile page
  • Navigation links and styling
  • View toggle and search bar
  • Most of the frontend styling
last_deploy: 2026-06-25T17:31Z · cloudflare · main@5ab0b98 github