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.

Coursera
Skills you'll gain: Responsible AI, Enterprise Risk Management (ERM), Risk Management Framework, Risk Management, Governance Risk Management and Compliance, Data Ethics, Business Risk Management, Generative AI, AI Enablement, Compliance Management, AI Integrations, Risk Mitigation, Risk Analysis, Regulatory Compliance, Governance, Mitigation, Artificial Intelligence and Machine Learning (AI/ML)
★ 4.7 (9) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cascading Style Sheets (CSS), Debugging, Search Engine Optimization, jQuery, PHP (Scripting Language), Hypertext Markup Language (HTML), MySQL, WordPress, Keyword Research, Web Applications, Application Programming Interface (API), Web Development, Content Management Systems, Web Design and Development, Linux Commands, DevOps, Javascript, Application Deployment, Content Optimization, Program Development
Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Restful API, Web Services, Java Platform Enterprise Edition (J2EE), Software Design, Java, Application Programming Interface (API), API Design, Web Applications, Object Oriented Design, Software Design Patterns, Software Architecture, Command-Line Interface
★ 4.3 (16) · Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: UI Components, React.js, Javascript, JavaScript Frameworks
★ 5 (6) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Pandas (Python Package), Pivot Tables And Charts, Data Manipulation, Time Series Analysis and Forecasting, Data Import/Export, Data Wrangling, Jupyter, Data Visualization, Microsoft Excel, Data Transformation, Plot (Graphics), Data Analysis, Data Cleansing, Data Preprocessing, Memory Management, Sampling (Statistics)
★ 4.7 (12) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Product Lifecycle Management, Conceptual Design, Sustainable Design, Project Risk Management, Project Planning, Sustainable Engineering, Product Development, Product Management, Product Design, Manufacturing and Production, Design and Product, Risk Management, Design Software, Engineering, Time Management, Internet Of Things, Cross-Functional Collaboration, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Communication
★ 4.8 (6) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Restful API, API Design, Web Applications, Cascading Style Sheets (CSS), Application Programming Interface (API), HTML and CSS, JSON, Web Servers, Javascript, Software Development
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Excel Macros, Microsoft Excel, Visual Basic (Programming Language), Automation, Business Process Automation, Computer Programming Tools, Microsoft 365, Data Wrangling, Microsoft Office, Spreadsheet Software, Development Environment, Computer Programming, Data Science
Mixed · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Statistical Machine Learning, Model Evaluation, Statistical Methods, Logistic Regression, Statistical Modeling, Python Programming, Supervised Learning, Machine Learning Methods, Machine Learning, Classification Algorithms, Regression Analysis, Statistical Analysis, Applied Machine Learning, Predictive Modeling, Probability & Statistics, Bayesian Statistics, Dimensionality Reduction, Statistical Hypothesis Testing, Model Optimization, Feature Engineering
★ 5 (6) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Back-End Web Development, Front-End Web Development, OpenAI API, Server Side, Full-Stack Web Development, Application Development, HTML and CSS, Generative AI, User Interface (UI) Design, Application Programming Interface (API), User Interface and User Experience (UI/UX) Design, Figma (Design Software), Cascading Style Sheets (CSS), AI Personalization, AI Integrations, Real Time Data
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Project Documentation, Agile Methodology, Agile Project Management, Project Management, Agile Software Development, Project Management Life Cycle, Project Planning, Project Management Institute (PMI) Methodology, Sprint Planning, Backlogs, Stakeholder Management, Team Management
★ 5 (6) · Beginner · Course · 1 - 4 Weeks
Sungkyunkwan University
Skills you'll gain: Data Processing, Data Preprocessing, Portfolio Management, Investment Management, Machine Learning Methods, Classification And Regression Tree (CART), Investments, Machine Learning Algorithms, Applied Machine Learning, R Programming, Feature Engineering, Machine Learning, Financial Modeling, Predictive Modeling, Decision Tree Learning, Model Optimization, Asset Management, Statistical Programming
Intermediate · Course · 1 - 4 Weeks