Purchasing the latest LEGO set on LEGO.com takes you on an exciting unseen Serverless journey. Behind the scenes, we're leveraging the latest Serverless tech to ensure our system is scalable, fault-tolerant & cost-efficient while delivering value for our customers. With an ever-evolving codebase to manage, we'll demonstrate how we encourage fast development by decoupling our backend systems using events. We'll also deep dive into some of our services, allowing a customer to fulfil a user journey and enjoy their dream LEGO set.

A talk about the architectural changes in Meta’s event driven asynchronous computing platform that enabled easy integration with multiple event-sources. We share our learnings from handling various types of workload and how to tackle trade offs made with certain design choices in building the platform.

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Ensure your data is consistent during long running business transactions in your Serverless apps. This talk explores the Saga Pattern's use in managing data consistency, from building a basic e-commerce site using AWS Step Functions to handling large-scale systems by shifting to a Choreography Pattern. We talk about how system architecture must evolve to maintain data consistency as the scale of operations grows and the reasons for doing so.