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.

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Energy and Utilities, Case Studies, Public Works, Transportation Management, Electric Power Systems, Water Sustainability, Operations Management, Transportation Operations, Stakeholder Management, Sustainable Systems, Traffic Flow Optimization, Sustainable Development, Stakeholder Engagement, Project Management, Environmental Issue
★ 4.6 (804) · Mixed · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Prompt Engineering, Generative AI, Responsible AI, Generative Model Architectures, Multimodal Prompts, MLOps (Machine Learning Operations), Generative Adversarial Networks (GANs), Azure DevOps Pipelines, AI Orchestration, AI Workflows, AI Security, Model Deployment, Azure DevOps, ChatGPT, Data Ethics, AI Integrations, Microsoft Azure, OpenAI, Artificial Intelligence and Machine Learning (AI/ML), Python Programming
★ 4.4 (32) · Intermediate · Professional Certificate · 3 - 6 Months

LearnQuest
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Software Design, Programming Principles
★ 4.7 (213) · Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Growth Mindedness, Technical Communication, Adaptability, Algorithms, Overcoming Obstacles, Software Engineering, Verbal Communication Skills, Communication Strategies, Social Skills, Interpersonal Communications, Communication, Problem Solving, Complex Problem Solving, Data Structures
★ 4.6 (555) · Intermediate · Course · 1 - 3 Months

Peking University
Skills you'll gain: C and C++, Object Oriented Design, Object Oriented Programming (OOP), C (Programming Language), Programming Principles, Data Structures, Computer Programming, Algorithms, Maintainability, Memory Management
★ 4.9 (827) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Web Development, HTML and CSS, Web Design and Development, Javascript, Web Applications, Web Presence, Front-End Web Development, Web Content, Responsive Web Design, Web Design
★ 4.3 (154) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: No-Code Development, Mobile Development, Google Sheets, Application Development, Mobile Development Tools, Google Workspace, Application Design, Application Deployment, Development Testing, Spreadsheet Software, Data Structures, User Interface (UI), User Accounts, Persona (User Experience), Authentications, User Feedback, Web Development, Marketing
★ 4.5 (691) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Node.JS, Restful API, Database Design, Database Development, Database Application, NoSQL, MongoDB, Back-End Web Development, Performance Tuning, API Design, Cloud Applications, Relational Databases, Authentications, Server Side, Application Programming Interface (API), Cloud Development, Cloud Deployment, Middleware, Scalability, Javascript
★ 4.5 (55) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unsupervised Learning, Dimensionality Reduction, Scikit Learn (Machine Learning Library), Machine Learning Algorithms, Applied Machine Learning, Data Preprocessing, Text Mining, Machine Learning, Big Data, Model Evaluation, Performance Metric
★ 4.7 (370) · Intermediate · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Android Studio, Android (Operating System), Android Development, Mockups, Mobile Development, Mobile Development Tools, Software Design, Software Design Patterns, User Interface (UI) Design, Application Design, Prototyping, UI Components, Development Environment, GitHub, Configuration Management
★ 4.5 (684) · Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Model View Controller, Spring Framework, Restful API, Spring Boot, Web Services, Frontend Integration, JSON, YAML, Web Applications, Configuration Management, Angular, Java Programming, Software Architecture, Extensible Markup Language (XML)
★ 4.1 (224) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Machine Learning Algorithms, Dashboard Creation, Classification Algorithms, Interactive Data Visualization, Data Visualization Software, Model Evaluation, Applied Machine Learning, Machine Learning, Scikit Learn (Machine Learning Library), Plot (Graphics), Web Applications, Logistic Regression, Predictive Modeling, Model Training, Data Science, Python Programming, Fine-tuning, Model Optimization, Pandas (Python Package)
★ 4.7 (419) · Intermediate · Guided Project · Less Than 2 Hours