Data Structures and Algorithms courses can help you learn about arrays, linked lists, trees, and graph structures, along with sorting and searching algorithms. You can build skills in problem-solving, optimizing code efficiency, and analyzing algorithm complexity. Many courses introduce tools like Python, Java, or C++ for implementing these concepts, as well as platforms for coding challenges that reinforce your understanding through practical application.

Skills you'll gain: Robotic Process Automation, Requirements Elicitation, Business Process Automation, Requirements Analysis, User Requirements Documents, Business Requirements, Stakeholder Engagement, Business Analysis, Automation, Business Process Modeling, Business Process, Process Analysis, Stakeholder Management, Stakeholder Communications, Functional Specification, Business Workflow Analysis, Stakeholder Analysis, Process Modeling, Project Scoping, Requirements Management
★ 4.7 (90) · Beginner · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Responsible AI, Generative Model Architectures, Generative AI, AI Workflows, Data Ethics, Model Evaluation, Data Governance, AI literacy, Governance, Artificial Intelligence, Ethical Standards And Conduct, Organizational Strategy, Social Impact, Benchmarking, Emerging Technologies
★ 4 (7) · Beginner · Course · 1 - 3 Months

Skills you'll gain: C and C++, C++ (Programming Language), Object Oriented Design, Object Oriented Programming (OOP), Debugging, Code Reusability, Computer Programming, Memory Management, Programming Principles, Program Development, Functional Design
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Spanish Language, Vocabulary, Language Learning, Language Competency, Grammar
★ 4.7 (277) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Restful API, Server Side, Back-End Web Development, Full-Stack Web Development, JavaScript Frameworks, JSON, Web Servers, Authentications, Web Applications, API Design, Web Development, Postman API Platform, Package and Software Management, Model View Controller, Application Programming Interface (API), Web Services, Authorization (Computing), Javascript, Computer Science
★ 4.5 (625) · Intermediate · Course · 1 - 4 Weeks
University of California, Irvine
Skills you'll gain: Physiology, Immunology, Infectious Diseases, Life Sciences, Cell Biology, Respiration, Pathology, Hematology, Diagnostic Tests, Cardiology, Precision Medicine, Molecular, Cellular, and Microbiology, Microbiology, Pharmacology, Biochemistry, Molecular Biology, Biology, Oncology
★ 4.8 (106) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Artificial Neural Networks, Data Visualization, Exploratory Data Analysis, Scientific Visualization, Applied Machine Learning, Model Training, Classification Algorithms, Predictive Modeling, Deep Learning, Data Analysis, Predictive Analytics, Machine Learning Algorithms, Model Evaluation, Machine Learning, Diagnostic Tests, Python Programming
★ 4.9 (10) · Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Sociology, Social Sciences, Social Justice, Culture, Liberal Arts, Media and Communications, Cultural Diversity, Electronic Media, World History, Ethical Standards And Conduct
★ 4.7 (20) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Stakeholder Management, Engineering Management, Stakeholder Engagement, Negotiation, Stakeholder Communications, Mentorship, Leadership, Leadership and Management, Courage, Growth Mindedness, Leadership Development, Team Leadership, Organizational Leadership, Collaboration, Professional Development, Visionary, Personal Development, Lifelong Learning, Personal Integrity, Resilience
★ 4.7 (24) · Beginner · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Cucumber (Software), Gherkin (Scripting Language), Software Testing, Testability, Test Case, White-Box Testing, Behavior-Driven Development, Code Coverage, Test Engineering, Functional Testing, Test Automation, JUnit, Requirements Analysis, Java Programming
★ 3.8 (117) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Context Protocol, Retrieval-Augmented Generation, Generative AI, AI Workflows, LLM Application, Generative AI Agents, AI Orchestration, Multimodal Prompts, Agentic Workflows, Embeddings, JSON, Tool Calling, Large Language Modeling, Agentic systems, Vector Databases, Unstructured Data, System Testing
★ 4.4 (31) · Advanced · Course · 1 - 3 Months

New York University
Skills you'll gain: Network Security, Firewall, IT Security Architecture, Distributed Denial-Of-Service (DDoS) Attacks, Network Architecture, Intrusion Detection and Prevention, TCP/IP, Cybersecurity, Threat Detection, Cyber Threat Intelligence, Cyber Attacks, Security Controls, Enterprise Security, Network Protocols, Proxy Servers
★ 4.7 (664) · Intermediate · Course · 1 - 4 Weeks