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: TypeScript, Scripting, Scripting Languages, Programming Principles
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Restful API, Cloud API, Application Programming Interface (API), Postman API Platform, API Design, API Testing, Java Programming, Java, Mobile Development, Apache Maven, Program Development, Web Development, Eclipse (Software), Software Design
Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Data Preprocessing, Applied Machine Learning, Dimensionality Reduction, Data Cleansing, Scikit Learn (Machine Learning Library), Data Transformation, Artificial Neural Networks, Random Forest Algorithm, Machine Learning, Unsupervised Learning, Supervised Learning, Classification Algorithms, Predictive Modeling, Python Programming
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Stored Procedure, PL/SQL, SQL, Database Management, Data Access, Databases, Database Systems, Java, Java Programming, JUnit
Beginner · Course · 1 - 4 Weeks

Universidad Nacional de Colombia
Skills you'll gain: Mathematical Modeling, Machine Learning, Applied Mathematics, System Design and Implementation, Software Development Tools, Programming Principles, Logical Reasoning, Arithmetic, Algorithms
Intermediate · Course · 1 - 4 Weeks

UiPath
Skills you'll gain: Robotic Process Automation, Automation, Data Flow Diagrams (DFDs), Programming Principles, Computational Logic
Beginner · Course · 1 - 3 Months
Skills you'll gain: CrewAI, Generative AI Agents, Responsible AI, AI Enablement, Artificial Intelligence and Machine Learning (AI/ML), AI Workflows, AI Orchestration, Artificial Intelligence, Agentic systems, OpenAI, Automation, LLM Application, Data Ethics, Model Evaluation, Innovation
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Retrieval-Augmented Generation, Responsible AI, Generative AI, Cloud Deployment, LLM Application, Model Deployment, Application Deployment, Large Language Modeling, Hugging Face, Data Ethics, Prompt Engineering, Model Evaluation, Risk Management Framework, Rust (Programming Language)
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Authentications, Application Security, Open Web Application Security Project (OWASP), Secure Coding, Serverless Computing, Cryptography, Risk Management Framework, Threat Modeling, Cloud Security, Infrastructure Security, Package and Software Management, Node.JS, Web Applications, Javascript, Vulnerability Management, Cloud Services, Cloud Platforms, Web Development, Identity and Access Management, Security Controls
Intermediate · Specialization · 1 - 3 Months

Arizona State University
Skills you'll gain: Human Factors, Human Factors Engineering, Accident Prevention, Hazard Analysis, Human Machine Interfaces, Usability, Design Reviews, Systems Thinking
Intermediate · Course · 1 - 3 Months
CertNexus
Skills you'll gain: Extract, Transform, Load, Data Migration, Data Manipulation, Data Preprocessing, Data Cleansing, Data Transformation, Data Warehousing, Data Integration, Data Collection, Data Mining, SQL
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Biological Engineering, Markov Model, Molecular Biology, Biotechnology, Bioinformatics, Simulation and Simulation Software, Mathematical Modeling, Engineering Analysis, Mathematical Software, Electrical Engineering, Engineering Design Process, Simulations, Biochemistry, Computational Thinking, Failure Analysis, Differential Equations, Cell Biology, Hazard Analysis, Technical Design, Chemical Engineering
Build toward a degree
Intermediate · Specialization · 3 - 6 Months