ApexArchitect (Hardest)devopsasyncdeployment
Architect zero-downtime Apex deployment with parallel async job awareness
Real World Scenario
Deployment changes Queueable signature while 400 jobs from old version still in flex queue causing post-deploy failures.
Expected Answer
• Pre-deploy: monitor flex queue depth and pause schedulers
• Backward compatible Queueable execute handling old staging record format
• Feature flag new logic path until queue drains
• Post-deploy smoke test enqueue new job format
• Deployment window communication for month-end freeze alignment
• Rollback plan if new async jobs fail at scale
• Version field on staging object discriminating job handler version
Follow-Up Questions & Answers
Click to expand — each follow-up includes a direct, interview-ready answer
Direct answer: Pre-deploy: monitor flex queue depth and pause schedulers Also consider: Backward compatible Queueable execute handling old staging record format In practice: Feature flag new logic path until queue drains Document the decision in an ADR and align with enterprise standards.
Architect Perspective
Async jobs survive deployments—design schema and handler backward compatibility across releases.