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.

University of Illinois Urbana-Champaign
Skills you'll gain: Big Data, Apache Spark, Data Store, Apache Hadoop, Apache Mahout, Distributed Computing, Data Storage, Data Processing, NoSQL, Apache Kafka, Cloud Computing, Real Time Data, Databases, Analytics, Deep Learning, Applied Machine Learning, Machine Learning Methods, Statistical Machine Learning, Scalability, Machine Learning
★ 4.3 (343) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Azure Synapse Analytics, Microsoft Azure, Database Theory, Cloud Services, Relational Databases, Databases, Data Store, Analytics, Data Storage, Microsoft SQL Servers, Data Lakes, Database Management Systems, NoSQL, Data Warehousing, Cloud Deployment, Platform As A Service (PaaS), Test Planning
★ 4.7 (153) · Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Intrusion Detection and Prevention, Vulnerability Management, Penetration Testing, Security Testing, Vulnerability Assessments, Cyber Security Assessment, Threat Detection, Vulnerability Scanning, Firewall, Threat Management, Virtual Private Networks (VPN), Network Security, Security Software, Microsoft Azure, Cloud Security, Test Tools, Windows PowerShell, System Testing, Command-Line Interface
★ 4.8 (201) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Rmarkdown, Autoencoders, Shiny (R Package), Deep Learning, Recurrent Neural Networks (RNNs), Transfer Learning, Model Evaluation, R (Software), Artificial Intelligence and Machine Learning (AI/ML), Data Import/Export, Classification Algorithms, Reinforcement Learning, R Programming, Model Training, Ggplot2, Plot (Graphics), Data Manipulation, Convolutional Neural Networks, Applied Machine Learning, Machine Learning Algorithms
★ 4.8 (8) · Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Cryptography, Encryption, Python Programming, Data Security
★ 4.6 (16) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Context Engineering, Agentic Workflows, AI Orchestration, Tool Calling, Generative AI, Gemini, Artificial Intelligence, Google Gemini, Retrieval-Augmented Generation, Model Optimization, Embeddings, Workflow Management, Python Programming, Data Validation
★ 3.7 (9) · Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Geospatial Information and Technology, Geographic Information Systems, Apache Hadoop, Spatial Data Analysis, Geospatial Mapping, Spatial Analysis, Big Data, Matplotlib, Data Processing, Computational Thinking, Distributed Computing, Data Manipulation, Theoretical Computer Science, Python Programming
★ 4.2 (30) · Beginner · Course · 1 - 3 Months

Skills you'll gain: PySpark, Apache Spark, Scala Programming, Extract, Transform, Load, Data Pipelines, Customer Analysis, Apache Hadoop, Big Data, Data Processing, Advanced Analytics, Apache Maven, Statistical Modeling, Data Engineering, Text Mining, Customer Insights, Data Transformation, Data Analysis, MySQL, Apache, Python Programming
★ 4.6 (108) · Beginner · Specialization · 1 - 3 Months

Peking University
Skills you'll gain: C# (Programming Language), Data Structures, C++ (Programming Language), Computer Programming, Microsoft Visual Studio, Object Oriented Programming (OOP), Extensible Markup Language (XML), Extensible Languages and XML, Object Oriented Design, .NET Framework, Java, Programming Principles, Data Access, Database Management, User Interface (UI), Algorithms, UI Components, Event-Driven Programming, Computer Graphics, Program Development
★ 4.5 (53) · Intermediate · Course · 3 - 6 Months

Skills you'll gain: Data Structures, Algorithms, Graph Theory, Programming Principles, Theoretical Computer Science, Computer Science, Computer Programming, Python Programming, Pandas (Python Package), Machine Learning Algorithms, Computational Thinking, C++ (Programming Language), Data Architecture, Random Forest Algorithm, Performance Tuning, Object Oriented Programming (OOP), Network Analysis, Program Development, Problem Solving, Debugging
★ 4.5 (40) · Intermediate · Specialization · 3 - 6 Months

MathWorks
Skills you'll gain: Plot (Graphics), AI literacy, Generative AI, LLM Application, Scripting, User Interface (UI) Design, Matlab, User Interface and User Experience (UI/UX) Design, No-Code Development, Data Manipulation, Data Visualization Software, Interactive Data Visualization, UI Components, Mathematical Modeling, Data Visualization, Scientific Visualization, Data Storytelling, Data Analysis, Engineering Calculations, Programming Principles
★ 4.8 (14) · Beginner · Specialization · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Computer Architecture, Hardware Architecture, Microarchitecture, Computer Systems, Computational Logic, Hardware Design, Computer Hardware, Programming Principles, System Programming, Systems Architecture, Program Development, Data Storage, Memory Management
★ 4.5 (13) · Beginner · Course · 1 - 3 Months