Python Background Tasks — Asyncio Traps, FastAPI & Celery (2026)

Decoupling Workloads: Strategies for Non-Blocking API Responses in Python Modern web applications demand instant feedback. Users expect immediate responses, and frustrating delays can quickly lead to abandonment. When an API endpoint performs computationally intensive or time-consuming operations directly within the request-response cycle, it creates a bottleneck that can cripple your backend system. Consider a scenario where a user triggers a complex AI inference or a large data processing job