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.

University of Colorado Boulder
Skills you'll gain: Mental Health, Mindfulness, Community Health, Social Justice, Health Equity, Stress Management, Public Health, Infectious Diseases, Media and Communications, Social Sciences, Liberal Arts, Diversity Awareness, Cultural Responsiveness, Learning Strategies, Biology, Health Care
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AWS Identity and Access Management (IAM), Identity and Access Management, Amazon Web Services, Role-Based Access Control (RBAC), Authorization (Computing), User Accounts, Cloud Security, Data Security, Cloud Platforms, Command-Line Interface
Intermediate · Guided Project · Less Than 2 Hours

Whizlabs
Skills you'll gain: Amazon Web Services, Virtual Networking, Network Architecture, Virtual Private Networks (VPN), Cloud Computing Architecture, Cloud Infrastructure, Load Balancing, Network Routing, Hybrid Cloud Computing, Network Security, File Transfer Protocol (FTP), Data Migration
Intermediate · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: Social Studies, Political Sciences, International Relations, Diversity Awareness, Social Justice, Public Policies, Culture, Social Sciences, Cultural Diversity, Diplomacy, Immigration Law, Economics, World History, Strategic Partnership, Economic Development, Policy Development, Economics, Policy, and Social Studies, Higher Education, Policy Analysis, Public Affairs
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design and Development, Cascading Style Sheets (CSS), Front-End Web Development, Application Deployment, Mobile Development
Intermediate · Course · 1 - 4 Weeks

University of Amsterdam
Skills you'll gain: Statistical Analysis, Research, Research Reports, Data Analysis, Research Design, Data Collection, Research Methodologies, Surveys, Qualitative Research, Experimentation, Descriptive Statistics, Survey Creation
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Responsible AI, AI Security, Data Ethics, Generative AI, Law, Regulation, and Compliance, Artificial Intelligence, Regulatory Requirements, Information Privacy, Risk Analysis, Algorithms
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Mergers & Acquisitions, Intercompany Accounting, Business Valuation, Financial Reporting, Technical Accounting, Consolidation, Financial Accounting, Generally Accepted Accounting Principles (GAAP), Business Reporting, International Financial Reporting Standards, Business, Financial Statements
Build toward a degree
Advanced · Course · 1 - 3 Months

Skills you'll gain: AWS SageMaker, Amazon Web Services, Internet Of Things, Artificial Intelligence and Machine Learning (AI/ML), Blockchain, Image Analysis, Remote Access Systems, Text Mining, Computer Vision, Natural Language Processing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Flutter (Software), Gemini, Generative AI Agents, LLM Application, Generative AI, Mobile Development, Google Cloud Platform
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Lead Generation, Marketing Automation, HubSpot CRM, Prompt Engineering, Email Automation, ChatGPT, Dashboard, MarTech, Marketing Strategies, Marketing Analytics, Customer Relationship Management (CRM) Software, Customer Engagement, Data-Driven Decision-Making
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Amazon Elastic Compute Cloud, Amazon Web Services, Cloud Hosting, Front-End Web Development, React.js, Javascript, Web Development Tools, Full-Stack Web Development, Web Applications, Cloud Security, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 4 Weeks