Functional programming courses can help you learn concepts like first-class functions, immutability, and higher-order functions, along with practical techniques for managing state and side effects. You can build skills in recursive problem-solving, data transformation, and leveraging pure functions for cleaner code. Many courses introduce tools such as Haskell, Scala, and JavaScript, showcasing how these languages facilitate functional programming principles and enhance software development practices.

Skills you'll gain: Restful API, Cloud API, Application Programming Interface (API), Postman API Platform, Java Programming, Java, Mobile Development, Apache Maven, Web Development, Eclipse (Software), Software Design
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Restful API, ASP.NET, Model View Controller, JSON, Application Programming Interface (API), Application Frameworks, Web Services, Middleware, Back-End Web Development, Server Side, Extensible Markup Language (XML), Routing Protocols
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Feature Engineering, Data Cleansing, Predictive Modeling, Classification And Regression Tree (CART), Applied Machine Learning, Data Processing, Data Manipulation, Supervised Learning, Scikit Learn (Machine Learning Library), Machine Learning, Predictive Analytics, Machine Learning Algorithms, Data Science, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Simplilearn
Skills you'll gain: Matplotlib, NumPy, Data Visualization, Python Programming, Pandas (Python Package), Data Analysis, Data Visualization Software, Scripting, Analytics, Data Manipulation, Real Time Data, Data Processing, Programming Principles, Data Transformation, Data Cleansing, Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Statistical Inference, Probability Distribution, R Programming, Statistical Visualization, Statistics, Data Visualization, Statistical Analysis, Statistical Modeling, Statistical Hypothesis Testing, Data Analysis, Probability
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Cryptography, Encryption, Application Development, Security Engineering, Application Security, C++ (Programming Language)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: LangChain, LLM Application, Large Language Modeling, Prompt Engineering, Generative AI, Application Development, Web Applications, Python Programming, Web Development
Intermediate · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Microsoft Copilot, GitHub, Code Review, AI Personalization, Prompt Engineering, LLM Application, Integrated Development Environments, Computer Programming Tools, Generative AI Agents, Application Development, Software Development, Web Development
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Amazon Bedrock, Software Documentation, Generative AI, Test Automation, Mockups, User Interface (UI), Software Development Tools, User Interface and User Experience (UI/UX) Design, Usability, Software Testing, Vulnerability Scanning, Application Security, Maintainability, Prompt Engineering, Test Case, Software Architecture, Code Review, Secure Coding, Artificial Intelligence, Debugging
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Cryptography, Exploratory Data Analysis, Event-Driven Programming, Encryption, Server Side, Web Development, Regression Analysis, Apache, Web Services, Machine Learning Algorithms, Public Key Cryptography Standards (PKCS), Web Scraping, Natural Language Processing, Web Applications, Key Management, Python Programming, Predictive Modeling, Machine Learning Methods, Back-End Web Development, Applied Machine Learning
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Visualization, Regression Analysis, Scikit Learn (Machine Learning Library), Feature Engineering, Data Cleansing, Predictive Modeling, Data Analysis, Statistical Modeling, Supervised Learning, Machine Learning, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Node.JS, Restful API, Database Design, Database Development, Database Application, NoSQL, MongoDB, Back-End Web Development, API Design, Cloud Applications, Authentications, Middleware, Application Performance Management, Scalability, Application Deployment, Web Applications, Secure Coding, Debugging, Javascript
Intermediate · Course · 1 - 3 Months