I'm Antonio, a software engineer in São Paulo, Brazil. I build web and mobile software, work with healthcare teams, and turn ideas into working applications.
KnoVet
A pet-tech platform I founded to connect pet owners with professionals and local pet businesses. I build the platform, internal tools and automations — from discovery and onboarding to the workflows behind the product.
Care Continuity
Building software for a US healthcare platform: clinical interfaces, reusable components, backend integrations and test automation. I also develop AI-assisted QA workflows using MCP and custom skills.
At Care Continuity, my work has included:
- Reusable UI architecture: approximately 30% less development effort for new interface workflows through shared components.
- Faster production diagnostics: Sentry integration helped bring issue detection from hours to minutes.
- AI-assisted QA: workflows that turn natural-language requirements into test scenarios using MCP and custom engineering skills.
- Frontend: React · JavaScript · TypeScript · Next.js · Vite
- Backend & data: Node.js · Fastify · C# / .NET · PostgreSQL · MongoDB
- Testing & delivery: Playwright · Vitest · Sentry · Docker · Azure DevOps · Vercel
- AI-assisted development: Codex · Claude · MCP · custom skills
- 🥈 2nd place — InovaHC Health Hackathon · HCFMUSP
- 🥉 3rd place — Devs de Impacto Hackathon
🎓 PUCPR — Interdisciplinar em Negócios · In progress
☁️ AWS AI Business Strategist — Exam preparation
Completed course credentials
- MongoDB: Node.js Developer Path · Indexing Design Fundamentals · CRUD Operations in MongoDB
- SmallTalk2Me: English Speaking Level Test
Portuguese — Native / bilingual · English — Professional working proficiency
Spanish — Full professional proficiency · Italian — Elementary
Let's talk about engineering, healthcare and building useful software.
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