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: GitHub, Git (Version Control System), Version Control, Unix Commands, Unix Shell, Software Versioning, Linux Commands, Command-Line Interface, Devops Tools, Collaborative Software, Code Review, Software Configuration Management, Software Development Tools, Secure Coding, File Management, Technical Documentation, Software Documentation
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Web Development Tools, Web Design and Development, Web Design, Web Development, Front-End Web Development, Semantic Web, Integrated Development Environments
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Role-Based Access Control (RBAC), Authentications, Secure Coding, ASP.NET, Microsoft Copilot, Data Security, Back-End Web Development, Authorization (Computing), JSON, Identity and Access Management, Data Storage, Application Programming Interface (API), Encryption
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: LLM Application, Tool Calling, AI Workflows, Hugging Face, Unstructured Data, SQL, Web Services, Prompt Engineering, AI Enablement, Database Management, Restful API, Data Processing
Intermediate · Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Data-Driven Decision-Making, Descriptive Statistics, Data Analysis, Probability Distribution, Statistical Software, Statistics, R (Software), Data Visualization, Statistical Analysis, Probability, R Programming, Probability & Statistics, Data Manipulation, Histogram, Taxonomy, Data Import/Export
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Azure Active Directory, Microsoft Azure, Web Applications, Cloud Applications, Application Security, Cloud Security, Identity and Access Management, Authorization (Computing), Key Management, Application Programming Interface (API), Authentications, Encryption
Intermediate · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: SQL, Relational Databases, Database Management, Databases, Database Design, Data Visualization, Object Oriented Programming (OOP), Data Processing, Data Modeling, Data Manipulation, Python Programming, Data Structures, Application Programming Interface (API)
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Sampling (Statistics), Statistical Hypothesis Testing, Data-Driven Decision-Making, Descriptive Statistics, Correlation Analysis, Data Analysis, Probability Distribution, Statistical Software, Statistics, Statistical Analysis, Estimation, R (Software), Data Visualization, Risk Analysis, Probability, Statistical Methods, R Programming, Return On Investment, Probability & Statistics, Problem Solving
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: React Redux, React.js, Back-End Web Development, Front-End Web Development, UI Components, Web Applications, Application Programming Interface (API), JavaScript Frameworks, Web Design and Development, Authentications, Responsive Web Design, Restful API, User Interface (UI), User Accounts
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Regression Analysis, Predictive Modeling, Scikit Learn (Machine Learning Library), Feature Engineering, Model Evaluation, Data Preprocessing, Applied Machine Learning, Data Visualization, Exploratory Data Analysis, Performance Tuning, Python Programming, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours

Northeastern University
Skills you'll gain: Data Storytelling, Interactive Data Visualization, Data Visualization Software, Matplotlib, Data Preprocessing, Pandas (Python Package), Scatter Plots, Data Cleansing, Data Integration, Data Transformation, Big Data, Programming Principles, Python Programming
Build toward a degree
Mixed · Course · 1 - 3 Months

Skills you'll gain: Ajax, Gherkin (Scripting Language), Test Tools, Test Script Development, Debugging, Integration Testing, Software Design Patterns, Test Data, Scripting, Web Development Tools, Data Structures, Automation, SQL, MySQL
Intermediate · Specialization · 3 - 6 Months