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.

Scrimba
Skills you'll gain: OpenAI API, AI Workflows, LLM Application, ChatGPT, Application Programming Interface (API), Performance Testing, Artificial Intelligence, Prompt Engineering, Context Management, Application Development, Test Case
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LangChain, AI Orchestration, Database Development, SQL, LLM Application, Query Languages, OpenAI API, Microsoft Azure, Tool Calling, OpenAI, Natural Language Processing
Beginner · Project · Less Than 2 Hours

Coursera
Skills you'll gain: Unit Testing, JUnit, Test Case, Testability, Software Testing, Software Development, Software Engineering, Java Programming, Java
Beginner · Guided Project · Less Than 2 Hours

University of California, Davis
Skills you'll gain: Intercultural Competence, Team Management, Team Building, Cultural Diversity, Cultural Sensitivity, Cross-Functional Collaboration, Cultural Responsiveness, Interpersonal Communications, Culture, Conflict Management, Communication Strategies, Diversity Awareness, Non-Verbal Communication, Verbal Communication Skills, Communication, Constructive Feedback, Active Listening
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Middleware, Node.JS, Model View Controller, Development Environment, Application Frameworks, Application Development, Restful API, TypeScript, Web Applications, Web Development Tools, Application Programming Interface (API), Server Side, Network Routing, Javascript, Android Development, Dependency Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Pandas (Python Package), Data Analysis, Data-Driven Decision-Making, Exploratory Data Analysis, Analytical Skills, Business Analysis, Data Manipulation, Data Cleansing, Python Programming, Data Import/Export, Promotional Strategies
Beginner · Guided Project · Less Than 2 Hours

Northeastern University
Skills you'll gain: Systems Thinking, Software Visualization, Software Engineering, Object Oriented Programming (OOP), Application Design, Software Development Life Cycle, Software Design, Systems Development, Software Development, Business Architecture, Business Risk Management, User Centered Design, Process Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Development Environment, Software Development Tools, Application Deployment, Transaction Processing, Application Design, Front-End Web Development, Cloud Development, Event-Driven Programming, Development Testing, Javascript
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JSON, Application Programming Interface (API), Application Development, Data Access, Restful API, Python Programming, User Interface (UI)
Intermediate · Guided Project · Less Than 2 Hours

Duke University
Skills you'll gain: LLM Application, Hugging Face, Large Language Modeling, Generative AI, Rust (Programming Language), Model Deployment, MLOps (Machine Learning Operations), AWS SageMaker, Cloud Deployment, PyTorch (Machine Learning Library), CI/CD, Applied Machine Learning, Natural Language Processing, Infrastructure as Code (IaC), DevOps, Machine Learning
Intermediate · Course · 1 - 4 Weeks
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

Emory University
Skills you'll gain: Rmarkdown, Knitr, Collaborative Software, Technical Documentation, Document Management, Technical Writing, Data Sharing, R Programming, YAML, Hypertext Markup Language (HTML), File Management, Cascading Style Sheets (CSS), Version Control
Beginner · Course · 1 - 3 Months