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.

Universiteit Leiden
Skills you'll gain: Policy Analysis, Public Policies, Economics, Policy, and Social Studies, Policy Development, Environmental Policy, Program Evaluation, Governance, Immigration Law, Research Methodologies
Intermediate · Course · 1 - 3 Months

Copenhagen Business School
Skills you'll gain: FinTech, Payment Systems, Financial Services, International Finance, Mobile Banking, Digital Transformation, Financial Regulations, Financial Market, Banking, Regulatory Requirements, Emerging Technologies, Fundraising and Crowdsourcing
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Data Manipulation, Data Preprocessing, Data Analysis, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Azure Active Directory, Active Directory, Regulatory Compliance, Security Controls, Identity and Access Management, Generative AI, Cloud Security, Data Governance, Authentications, Network Security, Role-Based Access Control (RBAC), Data Security, Threat Detection, Multi-Factor Authentication
Beginner · Course · 1 - 3 Months

Skills you'll gain: Back-End Web Development, Server Side, Middleware, Authentications, API Design, Application Programming Interface (API), User Accounts, Databases, JavaScript Frameworks, Scalability, GitHub, Development Environment, Data Validation
Intermediate · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Environmental Monitoring, Water Quality, Hydrology, Environmental Engineering, Water Resources, Biochemistry, Environmental Science, Mathematical Modeling, Analytical Chemistry, Laboratory Research, Microbiology, Chemical Engineering, Chemistry
Advanced · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Test Automation, Software Testing, Test Script Development, Test Data, Test Tools, Browser Compatibility, Test Case, Java, Automation, Cascading Style Sheets (CSS), Debugging
Intermediate · Course · 1 - 3 Months

Tsinghua University
Skills you'll gain: Intercultural Competence, Cultural Diversity, Mental Health, Learning Strategies, Emotional Intelligence, English Language, Empathy, Communication Strategies, Grammar, Higher Education, Vocabulary
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Professional Networking, Budget Management, Digital Marketing, Promotional Strategies, Marketing Strategies, Resilience, Brand Marketing, Strategic Partnership, Growth Strategies, Relationship Building, Brand Awareness, Brand Strategy, Business Relationship Management, Sustainable Business, Music Performance
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Product Lifecycle Management, Product Roadmaps, Product Management, Product Planning, New Product Development, Product Strategy, Project Management Life Cycle, Product Development, Project Planning, Agile Product Development, Business Planning, Team Building, Competitive Analysis, Market Research, Market Analysis, Marketing Strategies, Risk Management, Financial Analysis
Beginner · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Microsoft Windows, Windows PowerShell, Operating System Administration, Command-Line Interface, Operating Systems, Control Panels, System Configuration, OS Process Management, Network Administration, User Accounts, Graphical Tools
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Shanghai Jiao Tong University
Skills you'll gain: Public Speaking, Active Listening, English Language, Verbal Communication Skills, Communication, Critical Thinking, Creative Thinking, Stress Management, Adaptability, Self-Awareness
Beginner · Course · 1 - 3 Months