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.

Macquarie University
Skills you'll gain: Data Presentation, Data Visualization, Data Storytelling, Data Ethics, SAS (Software), Interactive Data Visualization, Business Analytics, Data Literacy, Dashboard Creation, Dashboard, Analytics, Demand Planning, Probability & Statistics, Data-Driven Decision-Making, Analytical Skills, Business Intelligence, Data Analysis, Advanced Analytics, Forecasting, Trend Analysis
★ 4.6 (466) · 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

Oracle
Skills you'll gain: Java, Java Programming, Object Oriented Programming (OOP), Object Oriented Design, Oracle Cloud, Computer Programming, Cloud Development, Integrated Development Environments, Programming Principles, Development Environment
★ 4.6 (44) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Eclipse (Software), Software Testing, Scripting, Test Tools, UI Components, Integrated Development Environments, Web Applications, Java, Functional Testing
★ 4.5 (362) · Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Java Programming
★ 4.3 (163) · Advanced · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Ajax, jQuery, Javascript and jQuery, JSON, Django (Web Framework), Web Applications, Javascript, Debugging, Database Design, Data Modeling, Event-Driven Programming, Data Access, User Accounts, Object Oriented Programming (OOP), Python Programming
★ 4.8 (295) · Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Statistical Analysis, Policy Analysis, Research, and Development, Program Evaluation, Policy Analysis, Data Analysis, Statistical Methods, Public Policies, Statistical Hypothesis Testing, Statistical Programming, Analytics, Policy Development, Data Analysis Software, Analytical Skills, Statistical Software, Forecasting, R Programming, Research Design, Time Series Analysis and Forecasting, Statistical Inference, Ggplot2
★ 4.6 (55) · Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Penetration Testing, Exploit development, Metasploit, Application Security, Security Testing, Cyber Security Assessment, Vulnerability Scanning, Brute-force attacks, Secure Coding, Exploitation techniques, Software Design Patterns, Vulnerability Assessments, Memory Management, Amazon Web Services, Amazon Elastic Compute Cloud, Operating Systems, Data Validation
★ 4 (279) · Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Data Structures, Generative AI, Test Driven Development (TDD), Integration Testing, Cloud Deployment, Development Testing, Python Programming, Object Oriented Programming (OOP), Serverless Computing, Cloud Computing, Microsoft Azure, Graph Theory, Software Documentation, Object Oriented Design, Maintainability, Code Review, Software Design, Application Deployment
★ 4.1 (27) · Beginner · Course · 1 - 3 Months

IBM
Skills you'll gain: COBOL (Programming Language), Debugging, Program Development, Programming Principles, Development Testing, Software Testing, Computer Programming, Maintainability, Business Logic
★ 4.2 (69) · Beginner · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Dashboard, Dashboard Creation, Tableau Software, Interactive Data Visualization, Data Visualization Software, Data Modeling, Data Visualization, SQL, Data Presentation, E-Commerce, Databases, Performance Reporting, Data Manipulation, Data Storytelling, Data Analysis, Performance Analysis, Relational Databases, Business Intelligence, Data Transformation, Financial Analysis
★ 4.8 (110) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Flutter (Software), Mobile Development, iOS Development, Apple iOS, Mobile Development Tools, User Interface (UI), User Interface (UI) Design, Android Development, Other Mobile Programming Languages, User Interface and User Experience (UI/UX) Design, Application Development, UI Components, Cross Platform Development, Application Programming Interface (API), Software Development Tools, Application Frameworks, Development Environment, Debugging, Software Development
★ 4.4 (171) · Beginner · Course · 1 - 3 Months