Job Queues BullMQ (Node.js — recommended) Worker Celery (Python) Job Patterns | Pattern | Use Case | |---------|----------| | Fire-and-forget | Email sending, notifications | | Delayed jobs | Reminders, scheduled tasks | | Job chaining | Multi-step workflows | | Rate-limited | External API calls | | Priority queues | Urgent vs batch processing | | Unique jobs | Prevent duplicate processing | Monitoring (BullMQ) Anti-Patterns | Anti-Pattern | Fix | |--------------|-----| | No retry configuration | Set and strategy | | No dead letter handling | Monitor failed jobs, set up alerts | | Processing…