Unlock the full potential of AWS Lambda as you scale across multiple accounts! In this chalk talk, discover effective strategies for runtime management and learn how generative AI accelerates operational excellence. We'll showcase comprehensive observability implementation using AWS Powertools for Lambda and share proven patterns for optimizing application performance. Through interactive discussions, we'll explore how cold starts, concurrency limits, and service dependencies influence scaling behavior. You'll gain confidence in architecting serverless workloads that scale reliably and efficiently.