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: Digital Signal Processing, Image Analysis, Computer Vision, Computer Graphics, Visualization (Computer Graphics), Medical Imaging, Spatial Analysis, Linear Algebra, Matlab, Mathematical Modeling, Histogram
Mixed · Course · 1 - 3 Months

Skills you'll gain: AI Orchestration, AI Workflows, Agentic Workflows, Agentic systems, Generative AI Agents, Application Design, Tool Calling, Large Language Modeling, Context Management, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

University of Alberta
Skills you'll gain: Biology, Life Sciences, Taxonomy, Timelines, Research
Mixed · Course · 1 - 3 Months
IE Business School
Skills you'll gain: Economic Development, International Finance, Economics, Business Economics, Market Opportunities, International Relations, Global Marketing, Demography, Business Risk Management, Analysis, Growth Strategies, Policy Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Deployment, Google Cloud Platform, Tensorflow, Unstructured Data, Applied Machine Learning, Data Pipelines, Big Data, Machine Learning, Jupyter, Artificial Intelligence, Image Analysis, Natural Language Processing
Intermediate · Course · 1 - 3 Months

École normale supérieure
Skills you'll gain: Sustainable Development, Economic Development, Environmental Science, Energy and Utilities, Governance, Environment, Sustainability Reporting, Climate Change Mitigation, Climate Change Adaptation, Environmental Policy, Finance, Advocacy, Economics, Lobbying, Public Policies
Intermediate · Course · 1 - 3 Months

Technical University of Denmark (DTU)
Skills you'll gain: Bioinformatics, Molecular Biology, Microbiology, Infectious Diseases, Medical Science and Research, Database Development, Taxonomy, Data Pipelines
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Copywriting, Social Media Marketing, Content Marketing, Driving engagement, Email Marketing, Brand Management, Marketing, Advertising Campaigns, Search Engine Optimization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Threat Intelligence, Cyber Threat Hunting, Threat Detection, Vulnerability Assessments, Threat Management, Cloud Security, Cybersecurity, Real-Time Operating Systems, Internet Of Things, Security Information and Event Management (SIEM), Infrastructure Security, Network Security
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Unified Modeling Language, JUnit, Software Testing, Software Engineering, Java, Java Programming, Computer Programming, Unit Testing, Program Development, Software Design, Test Driven Development (TDD), Conceptual Design
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Restful API, Application Programming Interface (API), Node.JS, Software Documentation, Web Services, Middleware, Authentications, JSON, Web Frameworks, Server Side, Web Applications, Back-End Web Development, Authorization (Computing)
Mixed · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Food and Beverage, Food Quality Assurance And Control, Nutrition and Diet, Cost Estimation
Mixed · Course · 1 - 4 Weeks