Building Functional HTTP APIs using Scala

Scala is a powerful language for building highly concurrent and resilient backends, but mastering its functional programming paradigms requires careful study. This course provides a foundational understanding of writing production-ready HTTP APIs in Scala using modern functional programming techniques. You will move beyond simple syntax and learn to structure applications that are testable, maintainable, and inherently safe from common side-effect pitfalls. What you'll learn: * Understand the core concepts of pure functional programming, including immutability and referential transparency. * Configure a modern Scala project structure for developing API services using functional HTTP frameworks. * Apply type classes and higher-kinded types to abstract over common programming patterns efficiently. * Manage asynchronous operations and side effects using modern functional effect systems (e.g., IO monad patterns). * Design robust RESTful endpoints and handle request routing, serialization, and decoding functionally. * Practice writing unit tests for pure functions to ensure correctness and maintainability. The material starts by establishing the necessary functional programming vocabulary and techniques before transitioning into practical application, demonstrating how to build and structure a complete web service. You will read detailed explanations and review practical code snippets demonstrating how to integrate modern functional libraries effectively. This course is designed for beginner developers familiar with basic programming concepts who want to learn how to build production-grade backends using Scala and pure functional programming principles. No prior experience with Scala or functional web frameworks is required. Start building scalable, robust, and purely functional web services today.