Explore the crucial link between reliability and engineering requirements in this 34-minute conference talk from the Reliable Web Summit 2021. Discover how to build and develop system requirements that support client and back-end reliability for millions of customers. Learn to dissect requirements to identify potential reliability issues and implement platinum resilient customer experiences using common design patterns. Gain insights into measuring reliability, assessing and allocating it within systems, and managing system changes. Delve into requirement dimensions, validation techniques, and essential checklists. Understand how to mitigate costs, address resiliency and reliability questions, and negotiate requirements effectively. Master the art of documenting expected outcomes, identifying and managing conflicts early, and classifying and resolving confrontations. Equip yourself with the knowledge to understand constraints and create more reliable systems from the ground up.