Practice System Design Interviews by Actually Designing Systems
Stop memorizing diagrams. Start building real architectures. Describe a system, watch it appear, ask "what if?" and iterate like a real interview.
No drag-and-drop. No blank canvas paralysis. Just design.
Visual neural-network builder inside VS Code. Drag-and-drop layers, connect blocks, and generate clean PyTorch/TensorFlow boilerplate instantly. No more manual wiring or guessing shapes. Design, preview, and export architectures directly from your editor.