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.

University of Washington
Skills you'll gain: Feature Engineering, Unsupervised Learning, Data Ethics, Data Presentation, Data Storytelling, Big Data, Relational Databases, Supervised Learning, Database Systems, Dataflow, Data Visualization Software, Databases, Predictive Analytics, Statistical Modeling, R Programming, Data Analysis, SQL, Predictive Modeling, Data Processing, Python Programming
Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Software Design
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Database Design, Relational Databases, Data Modeling, Database Management Systems, Databases, Oracle Databases, SQL, Query Languages, PostgreSQL, Systems Design
Intermediate · Course · 1 - 3 Months

AI Business School
Skills you'll gain: Generative AI, Responsible AI, Risk Management, AI Product Strategy, Artificial Intelligence, LLM Application, Customer Service, Customer experience improvement, Automation, Digital Transformation
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Responsive Web Design, Color Theory, Version Control, Typography, HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), GitHub, Git (Version Control System), Web Design, Web Design and Development, Web Development, Web Content Accessibility Guidelines, Front-End Web Development, Application Deployment, Image Quality, Web Applications, Design Elements And Principles, Animations, User Interface (UI) Design
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: No-Code Development, Mobile Development, Google Sheets, Application Development, Application Design, Application Deployment, Data Structures, User Accounts, Personalized Service, User Feedback, Web Development, Marketing
Beginner · Guided Project · Less Than 2 Hours

MathWorks
Skills you'll gain: User Interface and User Experience (UI/UX) Design, UI Components, Interactive Design, Data Sharing
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: MLOps (Machine Learning Operations), Responsible AI, Artificial Intelligence and Machine Learning (AI/ML), PyTorch (Machine Learning Library), Containerization, Tensorflow, Web Frameworks, Rust (Programming Language), Microsoft Copilot, DevOps, Cloud Solutions, CI/CD, Machine Learning, Serverless Computing, Docker (Software), GitHub, Command-Line Interface, Big Data
Advanced · Course · 1 - 3 Months

Edureka
Skills you'll gain: LangGraph, Generative AI Agents, Agentic systems, LangChain, Artificial Intelligence and Machine Learning (AI/ML), LLM Application, OpenAI, Systems Integration, Tool Calling, Responsible AI, Large Language Modeling, Artificial Intelligence, Prompt Engineering, Data Ethics, Restful API, Data Processing, JSON, Scalability, Data Validation
Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: JSON, jQuery, Javascript and jQuery, Ajax, Debugging, Web Development Tools, Event-Driven Programming, Javascript, PHP (Scripting Language), Object Oriented Programming (OOP), Data Import/Export, Web Applications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Regression Analysis, Feature Engineering, Time Series Analysis and Forecasting, Applied Machine Learning, Machine Learning Algorithms, Predictive Modeling, Predictive Analytics, Credit Risk, Supervised Learning, Scikit Learn (Machine Learning Library), Classification And Regression Tree (CART), Statistical Modeling, Unsupervised Learning, Machine Learning, Python Programming, Data Visualization, Data Manipulation
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Rmarkdown, Data Visualization, Statistical Visualization, Ggplot2, Data Import/Export, Data Visualization Software, R Programming, Tidyverse (R Package), Statistical Reporting, Data Manipulation, Scatter Plots, Data Wrangling, Histogram
Beginner · Course · 1 - 4 Weeks