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: Mobile Development, Mobile Development Tools, iOS Development, Integrated Development Environments, Development Environment, Apple iOS, Android Studio, Computer Programming Tools, Application Development, Swift Programming, Test Tools, React Native, Apple Xcode, Application Frameworks, Cross Platform Development, Software Testing, Cloud Hosting, Data Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, Tool Calling, LLM Application, AI Workflows, Agentic systems, Generative AI Agents, Artificial Intelligence and Machine Learning (AI/ML), Application Development, Software Development
Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: File I/O, Java Programming, Eclipse (Software), Java, Debugging, Integrated Development Environments, Object Oriented Programming (OOP), Data Structures, Development Environment, Software Design, Programming Principles, Problem Solving
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Business Analysis, Business Process Modeling, Process Optimization, Requirements Management, Business Requirements, Process Analysis, Data Modeling, Stakeholder Analysis, Agile Methodology, Requirements Analysis, Process Improvement, User Story, Data Flow Diagrams (DFDs), Gap Analysis
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Tidyverse (R Package), Clinical Data Management, Health Insurance Portability And Accountability Act (HIPAA) Compliance, R Programming, Medical Privacy, Google Cloud Platform, Data Ethics, Data Science, Health Informatics, Data Processing, Electronic Medical Record, SQL, Data Access
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Preprocessing, Correlation Analysis, Seaborn, Data Cleansing, Data Visualization, Statistical Analysis, Data Manipulation, Data Analysis, Exploratory Data Analysis, Pandas (Python Package), Data Integration, Statistics, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Identity and Access Management, Google Cloud Platform, Cloud API, User Accounts, Application Programming Interface (API), Cloud Services, Role-Based Access Control (RBAC), Cloud Platforms, Cloud Storage
Beginner · Project · Less Than 2 Hours

Duke University
Skills you'll gain: Data Visualization Software, PySpark, Data Visualization, Data Storytelling, Statistical Visualization, Site Reliability Engineering, Docker (Software), Databricks, Containerization, Interactive Data Visualization, Plot (Graphics), Plotly, Data Pipelines, Matplotlib, Kubernetes, Apache Spark, Apache Hadoop, Big Data, Data Science, Python Programming
Intermediate · Specialization · 1 - 3 Months

Peking University
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), File I/O, Object Oriented Design, C (Programming Language), Program Development, Algorithms, Data Structures, Maintainability, Software Design, Scalability
Mixed · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Collaboration, Leadership, Presentations, Creativity, Teamwork, Innovation, Creative Thinking, Cross-Functional Collaboration, People Management, Persuasive Communication, Influencing, Storytelling, Communication, Social Skills, Decision Making, Culture
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Regression Analysis, NumPy, Applied Machine Learning, Supervised Learning, Machine Learning Algorithms, Machine Learning, Predictive Modeling, Deep Learning, Data Science, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Open Source Technology, Package and Software Management, Unit Testing, GitHub, Version Control, Rmarkdown, Cross Platform Development, Software Versioning, Software Documentation, R Programming, Knitr, Continuous Integration, Development Testing, Technical Documentation
Intermediate · Course · 1 - 4 Weeks