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.

Microsoft
Skills you'll gain: Unsupervised Learning, Microsoft Azure, Applied Machine Learning, MLOps (Machine Learning Operations), Regression Analysis, Predictive Modeling, Machine Learning, No-Code Development, Artificial Intelligence and Machine Learning (AI/ML), Model Deployment, Artificial Intelligence, Classification Algorithms, Supervised Learning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), File I/O, Data Persistence, Object Oriented Design, Java, Maintainability, Software Design, Program Development, Application Development, Data Management, Data Validation
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: OSI Models, Network Security, TCP/IP, Network Architecture, Network Protocols, General Networking, Network Routers, Routing Protocols, Public Key Infrastructure, Network Model, Cryptography, Web Applications
Build toward a degree
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Hypertext Markup Language (HTML), Typography, Cascading Style Sheets (CSS), Web Design, Web Design and Development, Web Development Tools, Browser Compatibility, Application Deployment, Front-End Web Development, Web Development, Animations, Development Environment, UI Components, Usability, Javascript, Frontend Performance, Maintainability, User Interface (UI)
Beginner · Specialization · 3 - 6 Months

Illinois Tech
Skills you'll gain: Database Design, Relational Databases, Database Theory, Database Development, Database Systems, Data Modeling, Unified Modeling Language, Database Architecture and Administration, Database Management, Databases, Data Integrity, Data Dictionary, Diagram Design, Functional Requirement, Dependency Analysis, Conceptual Design, Design Strategies, Requirements Analysis
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Supervised Learning, Model Evaluation, Classification Algorithms, Applied Machine Learning, Matlab, Regression Analysis, Data Preprocessing, Predictive Modeling, Machine Learning, Feature Engineering, Decision Tree Learning, Logistic Regression, Data Cleansing
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Apache Maven, Spring Framework, Microservices, Java Platform Enterprise Edition (J2EE), Spring Boot, Java, Java Programming, Back-End Web Development, Software Architecture, Load Balancing, Application Servers, Restful API, Web Applications, Scalability
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Vulnerability Management, Threat Modeling, Open Web Application Security Project (OWASP), Intrusion Detection and Prevention, Incident Response, Computer Security Incident Management, Stakeholder Communications, Vulnerability Assessments, Threat Detection, Hardening, Network Security, Security Controls, Threat Management, Security Information and Event Management (SIEM), TCP/IP, Risk Management Framework, Linux, Debugging, Cybersecurity, SQL
Beginner · Professional Certificate · 3 - 6 Months

Google Cloud
Skills you'll gain: Looker (Software), Big Data, SQL, Data Pipelines, Data Transformation, Extract, Transform, Load, Data Warehousing, Data Cleansing, Data Analysis, Data Visualization Software, Google Sheets, Google Cloud Platform, Data Import/Export
Intermediate · Course · 1 - 3 Months

Corporate Finance Institute
Skills you'll gain: Dashboard, Tableau Software, Interactive Data Visualization, Excel Formulas, Data Visualization Software, Data Modeling, Data Visualization, SQL, Data Presentation, E-Commerce, Databases, Data Manipulation, Data Storytelling, Data Analysis, Performance Analysis, Data Cleansing, Relational Databases, Business Intelligence, Data Transformation, Financial Analysis
Beginner · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Image Analysis, Computer Vision, Artificial Intelligence, Microsoft Azure, Data Capture, Model Deployment, Text Mining, Application Programming Interface (API), Classification Algorithms, Document Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Environmental Science, Environment, Environmental Issue, Culture, Social Studies, Sustainable Systems, Sustainable Development, Liberal Arts, Systems Thinking, Diversity Awareness, Storytelling
Mixed · Course · 1 - 3 Months