A developer who likes things that blink and beep

My journey with code started in childhood writing scripts for online radio stations (complete with 'hunk of the week' polls), Habbo Hotel, and Minecraft servers. That curiosity turned into a technical diploma and degrees in Computer Science and Computer Engineering.

For 5 years, I've worked as a fullstack developer at ClanSoft, building end-to-end systems with Kotlin, Spring, and Nuxt, while also navigating other technologies like mobile apps, Python automation, and cloud infrastructure.

Outside work hours, my desk is shared with soldering irons and microcontrollers. What excites me most is solving everyday annoyances with software or hardware, usually soundtracked by 'Late Night Jazz' or, I admit, elevator music playlists. And to avoid becoming part of the furniture, I take tennis lessons (which I've grown to really enjoy) and travel whenever I can to refresh my mind.

VueNuxtESP32KotlinSpringLaravelDevOps

Home sensor feed

coming soon

Temperature, humidity, and uptime from my office, measured by hardware I built myself.

Temperature
— °C
Humidity
— %
Uptime
— h

A few things I've shipped

Real client work, plus a few side projects of my own.

Verifica resíduosAnalytics dashboard that audits São Paulo city CRM data
Screenshot of the Verifica resíduos interface
Display · U1

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.

Role
Fullstack
Impact
Replaced manual monthly reports with real-time audit data
Stack
NuxtKotlin
Libertyone ContabilidadeCompany website, web presence, and IT infrastructure
Screenshot of the Libertyone Contabilidade interface
Display · U2

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

Stack
NuxtLaravelWindows Server
FlipMasterInventory and profit tracking for CS2 skin traders
Screenshot of the FlipMaster interface
Display · U3

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.

Stack
NuxtLaravel
private
gDoorLockEncrypted IoT access control with Apple Home Key support
Screenshot of the gDoorLock interface
Display · U4

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.

Stack
ESP32C++Vue
in progress
Apoie maisConnects corporate sponsors with incentive-law projects
Screenshot of the Apoie mais interface
Display · U5

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.

Stack
NuxtKotlin

Let's build something together

I'm always open to discussing new projects, creative ideas or opportunities.

available for freelance and contract workSão Paulo, Brazil (UTC-3)
Gustavo Ficher — always up for talking IoT, Vue, or both.
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