YACA
Real-Time Messaging Ecosystem. Discord-like architecture using Bun, Hono, and WebSockets. Sub-millisecond latency.
BunHonoWebSockets
~/portfolio
Le Thanh Hieu (Waldy)
Full Stack R&D Systems Engineer
Building the bridge between bare-metal hardware (Rust) and modern user interfaces (Bun/React).
System Online|Location: HCMC
~/projects
FitSo
Fitness Hub Platform. All-in-one fitness tracking and workout management application.
FitnessHealthTracking
Visit WebsitePico-From-Scratch
Embedded Framework for RP2040. Custom Rust HAL, no_std, manual memory management.
RustEmbeddedno_std
Dotfiles Automation
Custom Linux Env. Fully scripted Arch Linux environment using Lua, Bash, and River WM.
ArchLuaBash
neofetch
waldy@arch
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Metal:Rust, C, Assembly
Web:Bun, Hono, React 19, TypeScript
System:Arch Linux, Docker, Wayland, Lua
~/experience
Current·Freelance
Independent R&D Engineer
Architecting cross-platform solutions.
2025·FitSo Hub
Full Stack Engineer
NestJS & MongoDB core architecture.
2024·An Phu Viet
Engineering Intern
Led engineering team for JectHub.