Hi, I'm Sarah

I build secure software with clarity, energy, and care.

I'm a Brazilian full-stack developer based in the U.S., currently studying Computer Science and working in cybersecurity at VintageSec.

I also hold a math degree from an American university, and I bring that same structure and joy for problem-solving into everything I build.

Latest from my blog

A Caesar cipher, a One-Time Pad, and AES-256-GCM walk into a terminal. Only one of them leaves with its dignity intact.

A practical, detailed guide to every post feature supported here, with live examples you can copy.

The patterns I use to ship full-stack features without creating security debt in the next sprint.