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hero.tsx[0]

bruno guimaraes

Fullstack developer. I build web systems that stay calm under load.

$ whoami && cat now.txt

read the blog email me linkedin github

whoami[1]

$ name: Bruno Guimaraes
$ role: Fullstack developer
$ focus: Web systems, DX, on-call sanity
$ stack: TypeScriptNext.jsNodePostgresGo

now.log[2]

→ building a tiny CLI for a friend's team.

! prod alert at lunch. misconfigured cron.

× still avoiding my linkedin photos.

→ adding observability to a service I inherited.

! dependency audit queued.

blog/[3]

[2026-05-04] #ai #google #gemma #open-weights #infrastructure

Google gave away Gemma 4 and you should know why

Gemma 4 is not free because Google forgot how to charge. It is free because Google can make money from the cloud, devices, and developer ecosystem around the model.

[2026-04-30] #agents #ai-engineering #product-engineering

The stack your agent picks is a product decision

Coding agents are becoming default stack selectors. The risk is not always a bad pick. It is a reasonable local optimum that quietly becomes production.

[2026-04-27] #agents #claude-code #ai-engineering

The bug is in the harness, not the model

Two months of 'Claude Code got worse' turned out to be three harness bugs. The model never drifted.

contact.sh[4]

$email mguimaraesbruno@gmail.com

$linkedin bruno-guimaraes1

$github brunomguimaraes

best response time: 24h on weekdays.