Software at scale. Hardware for fun.
I specialize in building modern web applications from database to browser (with plenty of Vue along the way). When I'm offline, I bring that same problem-solving energy to microcontrollers and IoT projects.

Gustavo Ficher
Software Developer
A developer who likes things that blink and beep
By day, web apps with Vue and Nuxt. By night, usually soldering something or arguing with an ESP32 over Wi-Fi credentials. This site is where those two worlds meet.
Home sensor feed
Temperature, humidity and uptime from the devices around my apartment — going live once the dashboard ships.
coming soonA few things I've shipped
Web apps, firmware, and the occasional thing that shouldn't exist but does.

Libertyone Contabilidade
Built the company’s entire web presence and official website, while managing their internal IT infrastructure and network operations.

Verifica resíduos
A data analytics dashboard that ingests CRM data from the Prefeitura de São Paulo to track and optimize monthly performance metrics. It provides companies with a transparent, reliable way to audit and verify official public data.

FlipMaster
An automated inventory and profit tracking platform for CS2 skin traders. It seamlessly syncs with external marketplaces like CSFloat and leverages rich item data to generate actionable financial insights.

gDoorLock
A custom IoT access control system featuring centralized device management and encrypted communication between readers and controllers. As a standout addition, it includes (unofficial) Apple Home Keys support as a feature for the NFC readers.

Apoie mais
A web platform for Brazilian incentive laws that connects corporate sponsors with cultural and social projects. It seamlessly aggregates opportunities via direct platform submissions and automated SALIC database integration.
Recent posts
Notes on things I'm building, breaking, and occasionally fixing.
Coming soon
Let's build something together
I'm always open to discussing new projects, creative ideas or opportunities.