Independent Software Studio
Realtime systems, cross-platform mobile, AI integrations. Senior engineering for projects where complexity is the point.
React Native and Expo apps that hold up in production. Background tasks, session state, native modules where JS abstractions break.
Streaming pipelines, WebSockets, transcription, AI provider integrations under production load. Built around explicit state machines so failure modes are visible.
Greenfield architecture, legacy migrations, monorepo setup, team conventions. The work that determines whether your codebase ages well or doesn't.
Boomich is the independent studio of João Vitor de Souza — a senior TypeScript engineer based in Caldas da Rainha, Portugal.
Thirteen years shipping production-grade web and mobile products across startups, scale-ups, and enterprise. Currently lead frontend on a healthcare AI app running in live clinical environments — owning the realtime audio pipeline, session lifecycle, and recovery flows that keep things working through the messy realities of mobile use.
Boomich works where complexity is the product: realtime, cross-platform state, mobile lifecycle, AI integrations, multi-team coordination.
| TypeScript | Primary |
| React Native / Expo | Primary |
| React / Next.js | Primary |
| Node.js | Secondary |
| Kotlin | Secondary |
| WebSockets | Secondary |
| AWS / Vue / Symfony | Supporting |
Whether you need a product built from scratch or a senior developer to strengthen your team — let's talk.
joaovitor@boomich.pt