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.

Skills you'll gain: CI/CD, Verification And Validation, Software Testing, Restful API, Development Testing, Code Reusability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Rust (Programming Language), Memory Management, System Programming, Other Programming Languages, Code Reusability, Secure Coding, Data Structures, Programming Principles, Data Sharing, Data Access
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Spark, Data Persistence, Big Data, Data Processing, Distributed Computing, Data Import/Export, JSON, Data Transformation, Performance Tuning
Mixed · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Augmented and Virtual Reality (AR/VR), Augmented Reality, Virtual Reality, Unity Engine, Virtual Environment, Cross Platform Development, 3D Assets, C# (Programming Language), User Interface (UI), Data Structures, UI Components, Event-Driven Programming, Scripting, Programming Principles, Animations
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: SQL, Database Management, Database Development, Database Design, Relational Databases, Database Management Systems, Query Languages, Performance Tuning, Data Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cucumber (Software), Behavior-Driven Development, Selenium (Software), Gherkin (Scripting Language), Test Automation, Test Script Development, JUnit, Software Testing, Apache Maven, Test Data, Test Case, Scenario Testing, Maintainability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: z/OS, System Software, Operating Systems, System Programming, Mainframe Computing, System Monitoring, Mainframe Technologies, Operating System Administration, Performance Tuning, System Configuration, OS Process Management, Memory Management, Data Storage, Systems Architecture, Capacity Management, Problem Management, File I/O, Context Management, Software Architecture, Disaster Recovery
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Visualization, Matplotlib, Data Processing, Plot (Graphics), Data Storytelling, Pivot Tables And Charts, Data Visualization Software, Data Analysis, Data Structures, Heat Maps, Data Wrangling, Data Manipulation, Pandas (Python Package), NumPy, Data Transformation, Numerical Analysis, Data Preprocessing, Exploratory Data Analysis, Data Cleansing, Data Mapping
Intermediate · Specialization · 1 - 3 Months

Infosec
Skills you'll gain: Authentications, Cryptography, Secure Coding, Kotlin, Android (Operating System), OAuth, Encryption, Mobile Security, Android Development, Key Management, Exploit development, Application Security, Android Studio, Data Security, Open Web Application Security Project (OWASP), Authorization (Computing), Mobile Development, Security Architecture Review, Security Controls, Application Development
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Account Management, Account Strategy, Cross-Functional Team Leadership, Cross Selling, Upselling, Sales Management, Cross-Functional Collaboration, Drive Engagement, Relationship Management, Virtual Teams, B2B Sales, Sales Strategy, Consultative Approaches, Vendor Management, Business Relationship Management, Customer Relationship Management, Driving engagement, Stakeholder Management, Consultative Selling, Market Intelligence
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: jQuery, Ajax, Javascript and jQuery, JSON, Animations, Event-Driven Programming, Debugging, Cascading Style Sheets (CSS), Application Programming Interface (API), Web Applications, Web Development Tools, Responsive Web Design, Javascript, JavaScript Frameworks, Interactive Design, HTML and CSS, Hypertext Markup Language (HTML), Program Development, Interaction Design, Game Design
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Command-Line Interface, Unix Commands, Remote Access Systems, Linux Commands, Unix Shell, Unix, System Configuration, Computer Hardware, Data Maintenance, Package and Software Management, Linux Administration, File Systems, Embedded Systems, USB, Operating Systems, File Management, Scripting, Peripheral Devices, Software Installation
Beginner · Course · 3 - 6 Months