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.

Imperial College London
Skills you'll gain: Descriptive Statistics, Exploratory Data Analysis, Regression Analysis, Statistics, R Programming, Predictive Modeling, Statistical Analysis, Feature Engineering, Probability & Statistics, Data Wrangling, Statistical Inference, R (Software), Data Cleansing, Public Health
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Pandas (Python Package), Data Analysis, Data Manipulation, NumPy, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Fractal Analytics
Skills you'll gain: Prompt Engineering, Responsible AI, Generative AI, Generative Model Architectures, Code Review, Data Ethics, Artificial Intelligence, Object Oriented Programming (OOP), AI Product Strategy, Debugging, Artificial Neural Networks, Computer Programming, Program Development, Data Processing, Maintainability, Large Language Modeling, Artificial Intelligence and Machine Learning (AI/ML), Problem Solving, Data Analysis, Critical Thinking
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: TypeScript, Programming Principles, Web Development Tools, Javascript, Web Language
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Systems Engineering, Failure Analysis, Model Based Systems Engineering, Scope Management, Cost Management, Design Reviews, Requirements Analysis, Change Control, Engineering Management, Requirements Management, Test Engineering, Project Management, Systems Thinking, Program Management, Product Lifecycle Management, Work Breakdown Structure, Functional Design, Risk Management Framework, Contract Management, Risk Management
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: React.js, ASP.NET, Restful API, .NET Framework, Web Applications, Web Services, Hypertext Markup Language (HTML), Front-End Web Development, JSON, Application Development, JavaScript Frameworks, Model View Controller, Application Frameworks, Program Development, Javascript, Development Environment, Back-End Web Development, Web Development, Microsoft Visual Studio, Cascading Style Sheets (CSS)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: JUnit, Test Driven Development (TDD), Version Control, Git (Version Control System), GitHub, Performance Tuning, Unit Testing, Data Structures, Java Programming, Development Testing, Algorithms, Program Development, Software Testing, Java, Computer Programming, Software Development, Programming Principles, Debugging, Scalability
Beginner · Course · 1 - 4 Weeks

Universidad Austral
Skills you'll gain: Data Structures, Python Programming, JSON, File Management, Scripting, Scripting Languages, Data Import/Export, Computer Programming, Debugging
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Spring Framework, Java Programming, Java Platform Enterprise Edition (J2EE), Object Oriented Programming (OOP), Debugging, Data Structures, File Management
Intermediate · Course · 1 - 3 Months

Wesleyan University
Skills you'll gain: Regression Analysis, Statistical Analysis, Statistical Modeling, Data Analysis, Correlation Analysis, SAS (Software), Scatter Plots, Statistical Programming, Predictive Modeling, Statistical Hypothesis Testing, Plot (Graphics), Python Programming
Mixed · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Rust (Programming Language), Serverless Computing, Command-Line Interface, Maintainability, Amazon Web Services, Linux Commands, Unix Commands, Application Deployment, Software Development Tools, Program Development, System Programming, Python Programming, Performance Tuning, Debugging, Software Testing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: API Design, Restful API, API Gateway, Application Programming Interface (API), Cloud API, Application Lifecycle Management, Enterprise Application Management, Proxy Servers, Software Documentation, Authentications, Authorization (Computing)
Beginner · Course · 1 - 3 Months