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Functional programming is a programming paradigm that has gained immense popularity in recent years. Known for its emphasis on immutability and pure functions, this approach to programming offers a unique perspective on solving complex problems. If you are interested in diving into the world of functional programming, there are numerous online courses and certifications available to help you get started or further enhance your skills. In this article, we will explore the 10 best functional programming courses and certifications that you can take online.

1. “Functional Programming Principles in Scala” by École Polytechnique Fédérale de Lausanne

Offered through Coursera, this course provides a comprehensive introduction to functional programming using Scala. Created by professors from École Polytechnique Fédérale de Lausanne, the course covers key functional programming concepts and teaches you how to apply them to real-world scenarios. The course consists of weekly assignments and quizzes to test your understanding, making it an ideal choice for beginners.

2. “Functional Programming in Haskell” by University of Glasgow

Taught by experienced faculty from the University of Glasgow, this online course focuses on functional programming using Haskell. Through hands-on exercises and programming assignments, you will learn the fundamentals of functional programming and gain a deep understanding of Haskell’s features. This course is suitable for both beginners and intermediate learners who want to strengthen their functional programming skills.

3. “Functional Programming and Design” by University of California, San Diego

This course, available on Coursera, introduces you to functional programming and its application in designing software. With a focus on Scala, you will learn how to create functional designs, write programs using recursion, and build concurrent programs. The course also covers topics like pattern matching, immutable data structures, and higher-order functions, making it a well-rounded option for those looking to expand their functional programming knowledge.

4. “Functional Programming Principles in JavaScript” by University of British Columbia

For individuals interested in applying functional programming principles to JavaScript, this course is an excellent choice. Offered by the University of British Columbia on edX, it covers the fundamentals of functional programming using JavaScript as the primary language. Throughout the course, you will explore topics such as higher-order functions, closures, recursion, and immutability. By the end, you will have a solid foundation in functional programming in JavaScript.

5. “Introduction to Functional Programming in Python” by University of Copenhagen

If you already have basic knowledge of Python and want to venture into functional programming, this course is tailor-made for you. Created by the University of Copenhagen on Coursera, it teaches you how to leverage Python’s functional programming features effectively. From lambda functions and map-reduce to lazy evaluation and monads, this course covers a wide range of functional programming techniques in Python.

6. “Functional Programming for Java Developers” by John Purcell

Designed specifically for Java developers, this course by John Purcell on Udemy bridges the gap between object-oriented programming and functional programming paradigms. By exploring functional features introduced in Java 8 and beyond, you will learn how to apply functional programming techniques in your Java projects. With real-world examples and hands-on exercises, this course guides you through the transition from imperative to functional programming.

7. “Functional Programming and Kotlin” by JetBrains Academy

This comprehensive course on the JetBrains Academy platform combines Kotlin programming with functional programming concepts. Through interactive projects and step-by-step tutorials, you will learn how to write clean and efficient code using functional programming principles in Kotlin. Whether you are a beginner or an experienced Kotlin developer, this course offers valuable insights into adopting functional programming in your projects.

8. “Functional Programming with Elixir” by Pragmatic Studio

Elixir, a functional programming language built on the Erlang virtual machine, is gaining popularity due to its scalability and fault-tolerant nature. The “Functional Programming with Elixir” course offered by Pragmatic Studio is an excellent choice for programmers interested in leveraging the power of Elixir. From understanding the language’s syntax to designing concurrent systems, this course covers everything you need to know to become proficient in functional programming with Elixir.

9. “Functional Programming in R” by DataCamp

Data scientists and statisticians who use R for their analytical work can also benefit from functional programming principles. DataCamp’s “Functional Programming in R” course introduces you to functional programming concepts in the context of R. With hands-on exercises and real-world examples, you will learn how to write elegant and efficient code that takes full advantage of R’s functional capabilities.

10. “PureScript Jumpstart with Real-World Examples” by Alonzo Machry

If you are already familiar with functional programming concepts and want to explore a language specifically designed for functional programming, PureScript is worth exploring. The “PureScript Jumpstart with Real-World Examples” course, created by Alonzo Machry on Udemy, teaches you how to write production-quality applications using PureScript. With a focus on real-world examples, you will develop a strong understanding of PureScript’s features and its applications in functional programming.


Functional programming is a powerful approach to programming that can enhance your problem-solving skills and improve code quality. With the availability of online courses and certifications, you have ample opportunities to learn and master functional programming at your own pace. Whether you are a beginner or an experienced programmer looking to expand your skill set, these 10 courses provide the knowledge and practical skills needed to excel in the world of functional programming. So, choose the course that suits your needs and embark on your journey to becoming a proficient functional programmer.