Software Engineer focused on frontend architecture, developer experience, and product engineering. Currently building at Cálculo Jurídico, working on a multi-product platform serving 100k+ users, owning frontend, a headless parsing service on GCP, and an MCP bridge for AI agents.
Most of my daily work lives on my professional account → heitorgcardillo
Stack I work with: TypeScript · React · Vue 3 · Next.js · Rails · Bun · Elm · GCP
Things I care about: Testing strategies · CI/CD · Frontend architecture · Observability · DX
Ripple: Changelog SaaS for indie founders and small teams. Built solo, live in production with real users and Stripe billing.
Adotai: Nonprofit platform connecting animals with adopters across Brazil. Built with Next.js, PostgreSQL, and Google OAuth.
elm-input-masks: Open source type-safe storage library for Elm applications.

