This summary provides an overview of essential Node.js backend examples for developers in 2024. It discusses the use of advanced JavaScript features such as WHATWG Streams Standard, Web Streams API, async iterables, and template literals to create efficient and secure backends. The article highlights the importance of security measures like validating webhook signatures using the crypto module and working with buffers to handle binary data. Additionally, it explores the use of symbols for encapsulation and demonstrates how tagged templates can be used to generate HTML and SQL queries safely. The summary provides a concise overview of the key points covered in the article, including the benefits of using Node.js for backend development and the importance of security considerations when building backends.