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JosepRDA/README.md

José Araújo

Embedded systems developer, systems programmer, and CS student.
Currently building a bare-metal RTOS for AVR 8-bit from scratch.

What I work with

Core stack

  • Languages: C, C++, Rust, Assembly (x86)
  • Domains: Embedded systems, OS internals, computer architecture, electronics
  • Graphics: OpenGL, WebGPU (learning Vulkan next)
  • Systems: Linux (compiled my own kernel), systemd internals, QEMU/KVM, Unix tooling

Secondary

  • Go, Python, Java, C# — enough to get things done
  • Matplotlib (exploring), basic ML (regression models)

What I'm studying right now

  • OS internals (scheduling, virtual memory, IPC) — building a RTOS is teaching me more than any textbook
  • GPU pipeline architecture
  • Physics simulation (long-term goal: write a physics engine in C++)

Setup

  • OS: Linux (CachyOS + Arch)
  • Editor: (Neovim and VS Code)
  • Hardware: (AVR mcus, Xtensa architecture, good knowledge of x86 intrinsics, currently looking up to learning CUDA)

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