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.

Northeastern University
Skills you'll gain: Data Mining, Health Informatics, Big Data, Applied Machine Learning, Predictive Modeling, Machine Learning, Artificial Intelligence, Random Forest Algorithm, Responsible AI, Deep Learning, Model Evaluation, Unsupervised Learning, Healthcare Industry Knowledge, Algorithms, Data Cleansing, Artificial Neural Networks
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Security, System Programming, Secure Coding, C++ (Programming Language), C (Programming Language), Debugging, Interoperability, File I/O, Data Validation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Make.com, LinkedIn, Marketing Automation, Marketing, Social Media Content, Social Media Marketing, Application Programming Interface (API), Generative AI, Content Creation, Automation, Artificial Intelligence, Content Marketing, Workflow Management
Beginner · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Google Cloud Platform, SQL, Dashboard, Data Visualization Software, Data Visualization, Big Data, Exploratory Data Analysis, Applied Machine Learning, Data Access, Data Cleansing, Machine Learning, Data Transformation, Data Preprocessing, Model Evaluation, Data Infrastructure, Data Analysis, Database Design, Test Data, Data Integration, Performance Tuning
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Statistical Inference, Regression Analysis, Logistic Regression, R Programming, Statistical Analysis, Statistical Modeling, R (Software), Predictive Modeling, Model Evaluation, Statistical Hypothesis Testing, Probability Distribution, Probability
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, LLM Application, Hugging Face, Retrieval-Augmented Generation, OpenAI API, LangGraph, Model Deployment, AI Workflows, Large Language Modeling, AI Orchestration, Generative AI, Generative Model Architectures, CI/CD, Embeddings, Text Mining, Containerization, Restful API, Open Source Technology, Data Preprocessing, Docker (Software)
Intermediate · Specialization · 1 - 3 Months

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Application Security, Secure Coding, Security Testing, Vulnerability Scanning, Security Controls, Intrusion Detection and Prevention, Security Awareness, Web Applications, Browser Compatibility, Computer Programming
Beginner · Course · 1 - 4 Weeks

Khalifa University
Skills you'll gain: Data Strategy, Model Deployment, Data Governance, Model Evaluation, Transfer Learning, Data Quality, Data-Driven Decision-Making, Business Leadership, Predictive Analytics, Machine Learning, Strategic Decision-Making, Artificial Intelligence, Large Language Modeling, Classification Algorithms, Regression Analysis, Decision Tree Learning
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Simple Object Access Protocol (SOAP), Restful API, Web Services, Hypertext Markup Language (HTML), HTML and CSS, Java Platform Enterprise Edition (J2EE), Software Design, Java, Extensible Markup Language (XML), Application Programming Interface (API), API Design, JSON, Software Architecture, Web Design and Development, Web Applications, Front-End Web Development, Web Development, Server Side
Beginner · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: OpenAI, Code Review, Integrated Development Environments, Tool Calling, Cloud Development, Prompt Engineering, Computer Programming Tools, AI Workflows, Development Environment, Context Management, Command-Line Interface, Generative AI, Software Technical Review, Generative AI Agents, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microservices, Docker (Software), Containerization, API Gateway, Redis, API Design, ASP.NET, .NET Framework, Software Architecture, Microsoft Visual Studio, Software Design Patterns, Cloud-Native Computing, Restful API, C# (Programming Language), Web Services, Application Programming Interface (API), Event-Driven Programming, Integration Testing, Scalability, Web Development
Intermediate · Specialization · 3 - 6 Months

The Hong Kong University of Science and Technology
Skills you'll gain: HTML and CSS, jQuery, Web Design and Development, Javascript, Web Development, Animations, Front-End Web Development, Web Applications, Event-Driven Programming, Debugging
Intermediate · Course · 1 - 3 Months