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: Git (Version Control System), GitHub, Version Control, Open Source Technology, Collaborative Software, Unix Commands, Microsoft Visual Studio, Continuous Integration, Linux, Mac OS, Web Development Tools, File Management, Shell Script, Command-Line Interface, Code Review, Data Integrity, Application Deployment, React.js, Hypertext Markup Language (HTML), Technical Communication
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: SQL, PostgreSQL, Database Management, Data Manipulation, Database Systems
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Eclipse (Software), Data Structures, Video Game Development, Java Programming, Java, Game Design, User Interface (UI), Development Environment, Program Development
Beginner · Guided Project · Less Than 2 Hours

Illinois Tech
Skills you'll gain: Statistical Analysis, Data Analysis, Statistical Programming, Statistical Machine Learning, Statistical Modeling, Model Evaluation, Regression Analysis, Bayesian Statistics, Supervised Learning, Statistical Inference, Machine Learning, Unsupervised Learning, Predictive Modeling, Feature Engineering, Logistic Regression, Decision Tree Learning, Classification Algorithms
Build toward a degree
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Apache Kafka, Real Time Data, Data Pipelines, Data Processing, Scalability, Performance Tuning
Beginner · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Object Oriented Design, Unified Modeling Language, Systems Analysis, Software Development Methodologies, Object Oriented Programming (OOP), Program Development, Systems Design, Software Design, Software Engineering, Software Architecture, Data Management, Human Computer Interaction
Beginner · Course · 3 - 6 Months

University of Colorado System
Skills you'll gain: Systems Engineering, Requirements Analysis, Requirements Elicitation, Systems Development Life Cycle, Configuration Management, Engineering Management, Waterfall Methodology, Systems Analysis, Project Management, Risk Management, Systems Architecture, System Requirements, Functional Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Timelines, Google Gemini, Calendar Management, Organizational Skills, Scheduling, Google Sheets, Project Management Software, Spreadsheet Software, Social Media Marketing, Social Media Strategy, Content Management
Beginner · Guided Project · Less Than 2 Hours
CertNexus
Skills you'll gain: Data Analysis, Data Preprocessing, Data Visualization, Statistical Analysis, Exploratory Data Analysis, Business Analytics, Analytical Skills, Data Transformation, Probability & Statistics, Descriptive Statistics, Histogram, Scatter Plots
Intermediate · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Scripting, Object Oriented Programming (OOP), Data Structures, Scripting Languages, Python Programming, Maintainability, Programming Principles, Development Environment, Software Installation, Virtual Environment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Software Design Patterns, Functional Design, Programming Principles
Intermediate · Course · 3 - 6 Months

Board Infinity
Skills you'll gain: Ajax, jQuery, JSON, Extensible Markup Language (XML), Web Applications, Javascript, Web Services, Event-Driven Programming, HTML and CSS
Intermediate · Course · 1 - 4 Weeks