Build flash attention from scratch in pure NumPy using tiling and the online softmax trick, then extend it toward production. A deep, runnable project that signals real systems engineering to hiring managers.

A working engineer’s guide to implementing Flash Attention from the ground up using tiling and the online softmax trick — runnable NumPy, end-to-end tests, and a roadmap to senior-level extensions.

A working engineer’s walkthrough of the Noise Protocol Framework, covering patterns, tokens, and a from-scratch implementation of a forward-secure XX handshake in Python.

A working engineer’s guide to building a mini-GPT training loop from scratch in PyTorch — featuring AMP, gradient accumulation, cosine warmup, weight tying, and AdamW — designed as a CV-grade portfolio piece.

A practical guide to shipping a production-grade Envoy WASM filter that validates JWTs and custom tokens at the edge gateway.