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.

Illinois Tech
Skills you'll gain: Database Design, Relational Databases, Database Systems, Database Management, NoSQL, Databases, Database Development, SQL, Big Data, Model Evaluation, Apache Hadoop, Database Management Systems, MySQL, Statistical Analysis, Data Visualization, Database Theory, Data Analysis, Exploratory Data Analysis, Transaction Processing, Data Preprocessing
Build toward a degree
Intermediate · Specialization · 3 - 6 Months
University of Michigan
Skills you'll gain: Data Structures, Programming Principles, Data Manipulation, Python Programming, Data Storage Technologies, Software Installation, Development Environment
Mixed · Course · 1 - 3 Months

Skills you'll gain: Transfer Learning, Tensorflow, Natural Language Processing, Keras (Neural Network Library), Embeddings, Deep Learning, Classification Algorithms, Model Evaluation, Machine Learning, Software Visualization
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Generative AI Agents, AI Orchestration, Agentic systems, Agentic Workflows, Artificial Intelligence, LLM Application, Development Environment, Tool Calling, Prompt Engineering, Human Machine Interfaces, Software Development Tools, Python Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: C++ (Programming Language), Application Development, Computer Programming, Programming Principles, File I/O
Beginner · Guided Project · Less Than 2 Hours
Codio
Skills you'll gain: Matplotlib, Text Mining, GitHub, Large Language Modeling, Django (Web Framework), Git (Version Control System), Package and Software Management, Platform As A Service (PaaS), Plot (Graphics), Application Deployment, Natural Language Processing, Data Visualization Software, Unit Testing, Cloud Deployment, Jupyter, Database Development, Data Processing, Virtual Environment, Dependency Analysis, Python Programming
Intermediate · Specialization · 1 - 3 Months
Skills you'll gain: Angular, Test Driven Development (TDD), Web Components, HTML and CSS, Web Development, Software Testing, Cascading Style Sheets (CSS), Front-End Web Development, Development Environment, UI Components, Javascript, Data Persistence, Event-Driven Programming, Data Management, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Generative AI Agents, LangChain, AI Workflows, LLM Application, Agentic systems, Development Environment, Model Evaluation, OpenAI, Artificial Intelligence, Scalability, Applied Machine Learning, Performance Tuning, Design
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: File Systems, Operating Systems, Unix, Data Integrity, Debugging, File I/O, Linux, Distributed Computing, Data Storage, C (Programming Language), System Programming, Command-Line Interface, Data Security, Computer Hardware, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Javascript, Data Structures, Scripting, Computer Programming
Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: Stored Procedure, Database Design, Git (Version Control System), Database Development, MySQL Workbench, MySQL, Databases, Database Application, Data Visualization Software, Version Control, SQL, Tableau Software, Data Modeling, Transaction Processing, Django (Web Framework), Project Management, Application Development
Intermediate · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Bayesian Network, Computational Logic, Markov Model, Artificial Intelligence, Game Theory, Theoretical Computer Science, Logical Reasoning, Python Programming, Deductive Reasoning, Reinforcement Learning, Probability, Verification And Validation, Decision Tree Learning, Algorithms, Probability Distribution
Intermediate · Course · 1 - 3 Months