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.

Packt
Skills you'll gain: Ruby (Programming Language), Object Oriented Programming (OOP), Ruby on Rails, Debugging, Programming Principles, Software Documentation, Scripting Languages, Development Environment, Integrated Development Environments, Computer Programming, Development Testing, Data Structures, Apple Xcode, Web Development, Software Installation, Microsoft Windows, Package and Software Management, Command-Line Interface
Intermediate · Specialization · 3 - 6 Months

Queen Mary University of London
Skills you'll gain: Stakeholder Management, Delegation Skills, Team Leadership, Team Management, Change Management, Team Performance Management, Professional Networking, Leadership Development, Organizational Change, Leadership, Matrix Management, People Management, Team Building, Stakeholder Engagement, Leadership and Management, Organizational Leadership, Time Management, Executive Presence, Organizational Effectiveness, Virtual Teams
Advanced · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Computer Security Awareness Training, Cybersecurity, Risk Management, Enterprise Security, Vulnerability Assessments, Encryption, Network Security, Data Security, Security Awareness, Authentications
Build toward a degree
Beginner · Course · 1 - 3 Months

The University of Sydney
Skills you'll gain: Editing, Public Speaking, Proofreading, Research, Writing, Communication, English Language, Professionalism, Ethical Standards And Conduct, Critical Thinking, Collaboration
Beginner · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Blockchain, Program Development, Secure Coding, Development Environment, Web Development Tools, Software Design, Integrated Development Environments, Solution Design, Event-Driven Programming, Object Oriented Programming (OOP), Transaction Processing, Computer Programming Tools, Data Validation
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Oracle Databases, Database Design, Database Management Systems, Relational Databases, Databases, Database Architecture and Administration, Data Storage, Transaction Processing, Data Modeling
Beginner · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, Generative AI, Data Ethics, Artificial Intelligence, Governance, Business Leadership, Business Transformation, Data-Driven Decision-Making, Competitive Intelligence, Digital Transformation, Customer Service, Operational Efficiency
Beginner · Course · 1 - 4 Weeks

Technical University of Munich (TUM)
Skills you'll gain: Consumer Behaviour, Market Research, Food Quality Assurance And Control, Food and Beverage, Research Methodologies, Packaging and Labeling, Product Knowledge, Sustainability Standards, Innovation, Global Marketing, Supply And Demand, Corporate Sustainability, Economics, Coordination
Intermediate · Course · 3 - 6 Months

Salesforce
Skills you'll gain: Time Management, Productivity, Growth Mindedness, Sales Development, Professional Development, Goal Setting, Prioritization, Professionalism, Collaboration, Personal Development, Teamwork, Sales, Performance Metric, Constructive Feedback, Self-Awareness, Stress Management, Accountability
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Software Design, Program Development, Databases, Computer Programming, Object Oriented Programming (OOP), User Interface (UI), Algorithms, Java, Data Structures, Data Analysis Software, Data Management
Intermediate · Course · 1 - 3 Months
University of California San Diego
Skills you'll gain: Collaborative Software, Telecommuting, Human Computer Interaction, Social Network Analysis, Remote Access Systems, Interaction Design, Social Sciences, Driving engagement, Research and Design, Digital Communications
Mixed · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Blockchain, FinTech, Interoperability, Payment Systems, Financial Inclusion, Financial Systems, Cryptography, Digital Assets, Financial Regulation, Banking, Encryption, Computer Security, Governance
Beginner · Course · 1 - 4 Weeks