Jean Luiz

@zatzk

A software engineer who dabbles with design systems & nerds out on user interface architecture. Currently, designing & building high-fidelity web experiences.

Work

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Aton

Aton Engenharia

Angular

Developing SAFFIRA, an AI-powered forest fire monitoring and detection system.

SESAB

ReactJS

Overhauling the intranet portal for the Bahia State Department of Health to serve thousands of public health workers.

Truebasis

Go (Golang)

A polyglot, lot-centric cryptocurrency portfolio tracker combining a Go EVM RPC indexer, NestJS double-entry ledger, and Next.js 16 dashboard for FIFO tax compliance.

CodX

Next.js

A gamified programming learning platform aligning color theory with RPG elements, real-time execution, and AI assistance.

FreshFood

Figma

A mobile application merging organic grocery delivery with recipe discovery, bridging high-fidelity UX with LLM-powered ingredient pipelines.

Street Steel

React Native

An AI-powered calisthenics mobile application delivering offline-first workout scheduling, automated streak logging, and dynamic ExerciseDB GIF preloading.

Thinking

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Refactoring Saffira: Moving from type-based to feature-first architecture

Jul 07

[insights][architecture]

Cross-tab window synchronization via BroadcastChannel

Jul 06

[insights][stash]