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: Interactive Data Visualization, Business Intelligence, Data Presentation, Infographics, Data Visualization, Dashboard, Generative AI, Data Ethics, Responsible AI, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), SQL, Data Analysis, Presentations, Natural Language Processing
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: ASP.NET, Restful API, .NET Framework, Web Services, JSON, Model View Controller, Web Applications, Back-End Web Development, API Design, Application Programming Interface (API), Server Side, Extensible Markup Language (XML), Application Security, Object-Relational Mapping, Middleware
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Performance Tuning, Embedded Systems, Application Security, System Programming, Digital Signal Processing, Security Engineering, Computer Architecture, Hardware Architecture
Advanced · Course · 1 - 3 Months

Erasmus University Rotterdam
Skills you'll gain: R Programming, Statistical Modeling, Statistical Methods, Regression Analysis, Statistical Analysis, R (Software), Data Preprocessing, Data Quality, Model Evaluation
Intermediate · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: Responsible AI, Decision Tree Learning, Data Ethics, Regression Analysis, Artificial Intelligence, Machine Learning, Statistical Modeling, Python Programming, Artificial Intelligence and Machine Learning (AI/ML), Logistic Regression, Deep Learning, Artificial Neural Networks
Intermediate · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: Generative AI, Generative Model Architectures, Object Oriented Programming (OOP), Large Language Modeling, Prompt Engineering, Artificial Neural Networks, Computer Programming, Debugging, Python Programming, Semantic Web, Critical Thinking
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Claude Code, Vibe coding, Anthropic Claude, Model Context Protocol, Application Development, Command-Line Interface, Application Design, Programming Principles, Generative AI, Automation, Generative AI Agents, Image Analysis, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Logistic Regression, Predictive Modeling, SAS (Software), Statistical Modeling, Regression Analysis, Model Evaluation, Statistical Analysis, Data Analysis, Model Deployment, Data Preprocessing, Statistical Methods, Probability & Statistics
Intermediate · Course · 1 - 3 Months

National Taiwan University
Skills you'll gain: Exploratory Data Analysis, Regression Analysis, R Programming, Statistical Analysis, Statistical Modeling, Business Analytics, Analytics, Data Analysis, Statistics, Statistical Methods, Feature Engineering, Statistical Inference, Data Transformation, Model Evaluation
Intermediate · Course · 1 - 3 Months

University of Washington
Skills you'll gain: Feature Engineering, Model Evaluation, Data Analysis, Predictive Modeling, Data Wrangling, Statistical Modeling, Statistics, Data Science, Data Preprocessing, Predictive Analytics, Data Integration, Data Collection, Applied Machine Learning, R Programming, Research, Data Validation, Python Programming
Mixed · Course · 1 - 3 Months

Skills you'll gain: IBM Cloud, Cryptography, Algorithms, Python Programming, Linear Algebra, Computational Thinking, Jupyter, Simulation and Simulation Software, Physics, Software Installation, Development Environment
Beginner · Course · 3 - 6 Months

Illinois Tech
Skills you'll gain: Unified Modeling Language, File I/O, Debugging, Object Oriented Programming (OOP), Python Programming, Computer Programming, System Programming, Pseudocode, Program Development, Event-Driven Programming, Software Design, User Interface (UI), Data Structures
Build toward a degree
Beginner · Course · 1 - 3 Months