# software / backend and services

- FastAPI and asyncio services with supervised tasks, crash isolation and backoff
- Event-sourced domain models (immutable spec plus append-only event log)
- Postgres with Alembic and Prisma migrations; Redis caching
- Next.js apps with Stripe payments, Resend email, Neon Postgres
- Express services; Playwright browser automation exposed as a REST API

Up: https://matthewguo.me/p/software

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