Amr Elhelw developed the initial scaffold for the QE Architecture Guide within the percona/percona-server-mongodb repository, focusing on establishing a clear documentation structure for future engineering efforts. He created a set of Markdown files that serve as placeholders for key architectural topics, including execution engines, shared concepts, sharding, change streams, and index key generation. By organizing the documentation in this way, Amr enabled more efficient onboarding for QE engineers and streamlined the process for adding detailed technical content in subsequent updates. His work emphasized documentation best practices and effective use of Markdown to lay a solid foundation for ongoing architectural documentation.