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.

Johns Hopkins University
Skills you'll gain: Operations Research, Network Model, Excel Macros, Strategic Decision-Making, Microsoft Excel, Process Optimization, Transportation, Supply Chain, and Logistics, Transportation Operations, Operational Analysis, Business Modeling, Business Analytics, Financial Modeling
Intermediate · Course · 1 - 3 Months

Skills you'll gain: React Native, Application Development, Data Validation, Mobile Development, Data Persistence, Application Design, User Interface (UI), Web Applications, Software Design, Authentications, User Interface (UI) Design, Application Programming Interface (API), Verification And Validation, Data Storage Technologies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Feature Engineering, Data Preprocessing, Financial Data, Predictive Modeling, Customer Demand Planning, Data-Driven Decision-Making, Exploratory Data Analysis, R Programming, Customer Analysis, Predictive Analytics, Profit and Loss (P&L) Management, Risk Modeling, Inventory Management System, Analytics, Advanced Analytics, Supply Chain Management, Business Analytics, Machine Learning, Business
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Apple iOS, Swift Programming, Test Driven Development (TDD), Apple Xcode, Mobile Development, Model View Controller, Application Development, User Interface (UI), User Interface (UI) Design, Software Design Patterns, Software Architecture, Animations
Advanced · Course · 1 - 3 Months

Skills you'll gain: Generative AI Agents, Agentic systems, OpenAI API, AI Workflows, Tool Calling, Prompt Engineering, AI Security, Application Programming Interface (API), Software Architecture, Systems Integration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Supervised Learning, Feature Engineering, Applied Machine Learning, Unsupervised Learning, Model Evaluation, Machine Learning Algorithms, Predictive Modeling, Data Preprocessing, Classification Algorithms, Artificial Intelligence and Machine Learning (AI/ML), Dimensionality Reduction, Performance Tuning
Advanced · Course · 1 - 3 Months

Skills you'll gain: User Interface (UI), C# (Programming Language), Debugging
Beginner · Course · 1 - 3 Months
LearnQuest
Skills you'll gain: Sales Management, Sales Strategy, Sales, Sales Presentation, Sales Training, Initiative and Leadership, Resilience, Case Studies, Stress Management, Consumer Behaviour, Persistence, Trustworthiness, Customer Analysis, Business Ethics, Data-Driven Decision-Making, Self-Motivation, Composure, Cross-Functional Collaboration, Adaptability, Customer Retention
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, Frontend Integration, Database Application, Web Applications, Web Development, Authentications, Web Design and Development, Full-Stack Web Development, Back-End Web Development, User Accounts, Data Management, Visual Basic (Programming Language), Scripting Languages, Data Validation
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), HTML and CSS, Adobe Creative Cloud, Web Design and Development, Web Design, Web Development, Web Content, Information Architecture, Web Development Tools, Front-End Web Development, Image Quality, Browser Compatibility, File Management, Development Environment, Multimedia, Content Management, File Transfer Protocol (FTP)
Mixed · Course · 1 - 3 Months

Meta
Skills you'll gain: Version Control, Unix Commands, Git (Version Control System), GitHub, Linux Commands, Software Versioning, Command-Line Interface, Linux, Collaborative Software, File Management, Software Development Tools, Software Development, Web Development
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Software Configuration Management, Embedded Software, Embedded Systems, Git (Version Control System), Version Control, Build Tools, Software Development Tools, C (Programming Language), Development Environment, Software Technical Review, Software Design, Hardware Architecture, Computer Architecture, Debugging
Intermediate · Course · 1 - 4 Weeks