PROJECTS
Systems in production. Open protocols. Real problems solved.
Yooga POS
PRODUCTIONPayment processing for 1000+ restaurants
POS and payment infrastructure serving restaurant clients across Brazil. Offline-first architecture with real-time sync, embedded hardware integration with Sunmi terminals, and payment processing that handles real money daily. Sub-0.3% sync conflict rate in production.
TOPO Contabil
ACTIVEEnterprise accounting — Clean Architecture at scale
Enterprise accounting reconciliation platform. 42 NestJS modules, 252 use cases, 16-state workflow machine for bank reconciliation. Full Clean Architecture with event sourcing for audit trails and integration with Brazilian government fiscal systems (SPED, EFD, NFe).
Sigil Protocol
OPEN SOURCEOpen protocol for AI agent identity
Cryptographic attestation system for AI agents. Ed25519 signing, capability declarations, web-of-trust attestation chains, and lightweight revocation registry. Because autonomous agents need identity infrastructure, not just API keys.
FlowForm
OPEN SOURCELLM-powered conversational forms
Framework-agnostic library that wraps form schemas in natural language. Users think they are chatting; underneath, every response maps to a typed, validated field. Built for complex onboarding flows where traditional forms have high drop-off rates.
The Broad Way
PRODUCTIONThis blog — custom-built, terminal-first, bilingual
Developer blog built with Next.js 16, React 19, Tailwind v4. Full i18n support (EN + PT-BR), terminal aesthetic, server-side rendering, zero client JS on content pages. 38+ posts covering enterprise architecture, AI tooling, and production war stories.