MACH Aligned for Retail: Microservices is an approach to architecting modern applications through open tech ecosystems, specifically microservices, API-first, cloud-native SaaS, and headless. This framework is especially relevant for retail and ecommerce due to its ability to provide agility, flexibility, and performance at scale. The MACH Alliance, of which MongoDB is a member, aims to educate and drive the adoption of this framework to future-proof enterprise technology and propel current and future digital experiences. Microservices are an approach to building applications by breaking down business functions into smaller, self-contained components that function autonomously and are developed and deployed independently. This independence provides quicker time to market, shorter development cycles, and a better customer experience. A microservice-based application optimizes challenges such as dynamic product catalogs, changing customer needs, and scalability. MongoDB is built around fundamental technology principles that ensure companies can reap the advantages of microservices, including a flexible data model, redundancy, automation, and scalability. By leveraging MongoDB Atlas, developers can deploy applications based on microservices with unprecedented agility and flexibility, making it an ideal choice for retail organizations looking to modernize their technology stacks.