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  • France
  • 13:06 (UTC +01:00)

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@lithium-clr

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doshibadev/README.md

Arthur Duchene

Self-taught developer based in Dunkerque, France. I build native applications, backend systems, and infrastructure, mostly in C++, Rust, and C#.

Currently focused on Lithium, a C# reimplementation of the Hytale server runtime.

Projects

CPPCord Native Discord client written in pure C++. Uses the Discord gateway API over WebSockets, supports encrypted voice, real-time messaging, and platform-native credential storage.

Mosaic Package manager for Polytoria. Built in Rust with a CLI, centralized registry, and web interface. Handles dependency resolution and SHA256 verification.

Lithium C# port of the Hytale server runtime. Targeting zero-cost abstractions, fast packet handling, and a scalable architecture that mirrors the original.

Stack

Systems: C++, Rust, C#, .NET
Web: Next.js, Astro, React, TypeScript
Infra: PostgreSQL, Docker, Axum
Other: Qt, Lua

Background

Started with Roblox scripting around age 12. Moved through game client development, backend work, and eventually into systems programming and infrastructure. I care about shipping things that actually work, clean architecture, no shortcuts.

Contact

Open to backend and systems engineering internships.

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  1. cppcord cppcord Public

    A native, high-performance Discord client built with C++23 and Qt 6. Lightweight alternative to the Electron-based official client with better performance and lower memory usage.

    C++ 5

  2. mosaic mosaic Public

    Package manager for Polytoria projects. Written in Rust. Manage Lua dependencies like npm or Cargo.

    Rust 7