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.

Duke University
Skills you'll gain: Exploratory Data Analysis, Sampling (Statistics), Probability Distribution, R (Software), R Programming, Probability & Statistics, Bayesian Statistics, Data Analysis, Probability, Statistics, Statistical Analysis, Statistical Inference
Beginner · Course · 1 - 3 Months

Skills you'll gain: Frontend Performance, React.js, JavaScript Frameworks, Front-End Web Development, HTML and CSS, Web Development, Web Design, Cascading Style Sheets (CSS), Microsoft Visual Studio
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Brute-force attacks, Cryptography, Encryption, Python Programming, Scripting, User Interface (UI), Statistical Programming, UI Components, Application Development
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Scrum (Software Development), User Story, Backlogs, Agile Methodology, Sprint Planning, Agile Project Management, Prioritization, Sprint Retrospectives, Estimation, Workflow Management, Risk Management, Cross-Functional Collaboration
Mixed · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: MongoDB, Data Access, Query Languages, Database Management, NoSQL, Databases, Scripting, Python Programming, Development Environment, Software Installation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: HTML and CSS, Cloud Hosting, Web Development, Cloud Deployment, Responsive Web Design, Web Design, Web Content, Application Deployment, Typography, Javascript
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: C# (Programming Language), Microsoft Visual Studio, .NET Framework, Open Source Technology, Linux, Application Development, Cross Platform Development, Program Development
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Matplotlib, Data Visualization Software, Data Structures, Data Manipulation, Pandas (Python Package), NumPy, Exploratory Data Analysis, Python Programming, Data Preprocessing, Scripting, Scripting Languages
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, HTML and CSS, Web Design and Development, Professional Development, Web Development, Javascript, GitHub
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: JSON, UI Components, Application Deployment, Web Frameworks, Web Design and Development, Front-End Web Development, Information Architecture, Web Development Tools, Full-Stack Web Development, Web Development, HTML and CSS, Hypertext Markup Language (HTML), Content Management, Cascading Style Sheets (CSS), File Systems, Javascript
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, User Interface and User Experience (UI/UX) Design, 3D Assets, Timelines, Video Game Development, Game Design, Animations, Scripting, Event-Driven Programming, Debugging
Beginner · Course · 3 - 6 Months
Skills you'll gain: Scaled Agile Framework, Agile Product Development, Sprint Planning, Agile Methodology, Cross-Functional Collaboration, Dependency Analysis, Coordinating, Strategic Leadership, Product Management, Collaboration, Leadership, Performance Measurement, Team Performance Management, Coordination, Release Management, Prioritization, Innovation, Estimation
Advanced · Course · 1 - 4 Weeks