Save Big on Coursera Plus. 7,000+ courses at $160 off. Limited Time Only! Grab it Explore the lessons learned from six years of building and maintaining a large-scale serverless system for Grohe Sense and Guard in this NDC Oslo conference talk. Discover the evolution of a serverless-first approach supporting thousands of IoT devices and hundreds of active users in real-time. Gain insights into the trade-offs of serverless architecture, including best practices and potential pitfalls. Learn about using AWS Lambda for long-running calls, implementing push-based systems, understanding Lambda scaling, leveraging Step Functions for workflows, and managing heavy start-ups. Delve into crucial aspects such as domain boundaries, error handling, idempotency, and integration testing. Walk away with valuable takeaways to optimize your serverless applications based on real-world experiences.