ETL/Sync Job Builder Build reliable, incremental data synchronization pipelines. ETL Job Pattern Watermark Strategy Idempotent Upsert Pattern Retry Logic with Exponential Backoff Change Data Capture (CDC) Conflict Resolution Monitoring & Observability Full ETL Job Example Scheduling Error Handling & Recovery Best Practices 1. Incremental sync : Use watermarks, don't full-scan 2. Idempotent operations : Safe to retry 3. Batch processing : Process 100-1000 records at a time 4. Checkpointing : Resume from failure point 5. Retry with backoff : Handle transient failures 6. Monitor metrics : Track…