Easy API Design Using Express.js and Node.js (TypeScript). Embark on a transformative journey into the world of web development with the latest Node.js v20, Express.js frameworks and TypeScript. This comprehensive book empowers developers at all levels, from newcomers to seasoned professionals, by covering foundational to advanced topics through a single, cohesive example: a project management system. Beginning with an exploration of fundamentals, the book swiftly progresses to delve into TypeScript, equipping readers with the tools to enhance their applications with strong typing and modern JavaScript features. Readers will master the art of building RESTful APIs using Express.js, ensuring adherence to industry best practices in API design. The book dives into advanced topics like routing strategies, middleware implementation, MongoDB integration with Mongoose for efficient data management, and Redis for optimizing API performance through caching techniques. The final section of the book provides thorough guidance on asynchronous operations, Mocha and Chai testing strategies, AWS deployment, security practices, performance tuning, and real-world application scenarios, ensuring developers gain a holistic understanding of Node.js and Express.js development. From cumbersome setups for writing APIs to launching projects in just five minutes with Node.js and Express.js, developers have come a long way to witness revolutionary simplification in web development. If you are new to Node.js, this book offers a clear pathway to master backend development using Node.js, TypeScript, and Express.js. If you are already familiar with JavaScript or Node.js and aim to build scalable and efficient APIs, this book will elevate your skills, equipping you with the techniques needed for modern backend architecture.