Mateusz Kornas

Specialist-leaning generalist. TypeScript, React, Next.js, Angular, RxJS/NgRx, Node.js. Nx monorepos, Web Components, Tailwind/shadcn, Figma. Docker, Postgres, Mongo. Some Python, Swift, Java.

Pure React after a decade of Angular — hooks, composition, rendering perf. FastAPI + Python on an Azure ML / Databricks project. Local LLM inference with Ollama.

AZ Widgets — embeddable Web Components (GDPR consent, reviews, forms, cookieless analytics) with Shadow DOM isolation and token theming. Gastronaut — multitenant restaurant SaaS, realtime orders.

Design-system and component-library work, Angular→React migrations, front-end perf reviews. Happy to talk embeddable widgets, Shadow DOM or multitenant SaaS. Open to contract work (Warsaw/remote).