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.

École Polytechnique
Skills you'll gain: Climate Change Mitigation, Electric Power Systems, Electrical Power, Electrical Systems, Energy and Utilities, Sustainable Technologies, Sustainable Development, Environmental Science, Power Electronics, Semiconductors, Economics, Environment and Resource Management, Materials science, Cost Reduction
Beginner · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Materials science, Analytical Testing, Engineering, Scientific, and Technical Instruments, electromagnetics, Laboratory Research, Scientific Visualization, Laboratory Equipment, Chemistry, Physics, Applied Mathematics, Schematic Diagrams, Mathematical Modeling
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Report Writing, Digital Transformation, Automation, Generative AI, Business Reporting, Business Process Automation, Operational Efficiency, Artificial Intelligence, Data Collection, Data Literacy
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Vibe coding, Model Context Protocol, Context Management, Context Engineering, AI Workflows, Integrated Development Environments, AI Integrations, Software Installation, Agentic Workflows, Code Review, System Configuration, Debugging, Generative AI Agents, Web Development Tools, Software Development, User Interface (UI), Web Development
Intermediate · Course · 1 - 3 Months

Xi'an Jiaotong University
Skills you'll gain: Aesthetics, Liberal Arts, Culture, Ancient History, World History, Political Sciences
Mixed · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Recurrent Neural Networks (RNNs), Tensorflow, Data Pipelines, Keras (Neural Network Library), Transfer Learning, Deep Learning, Convolutional Neural Networks, Natural Language Processing, Model Training, Data Processing, AI Workflows, Data Preprocessing, Embeddings
Intermediate · Course · 1 - 3 Months

Pohang University of Science and Technology(POSTECH)
Skills you'll gain: Manufacturing Processes, Manufacturing and Production, Production Line, Manufacturing Operations, Production Process, Materials science, Process Engineering, Chemistry, Sustainable Engineering, Environmental Issue
Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Revenue Recognition, Peer Review, Credit Risk, Mergers & Acquisitions, Financial Analysis, Accrual Accounting, Financial Statements, Investment Management, Accruals, Cash Flows, Accounting, Corporate Finance, Financial Statement Analysis, Financial Accounting, Finance, Financial Modeling, Return On Investment, Investments, Financial Management, Risk Management
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Java Programming, Development Environment, Program Development, Computer Programming, Programming Principles, Data Structures, Java, Integrated Development Environments, Maintainability, Code Reusability, Memory Management, Computational Logic, Debugging, Software Installation, Command-Line Interface, Problem Solving
Beginner · Course · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Data Visualization, Dashboard Creation, Excel Formulas, Dashboard, Pivot Tables And Charts, Plot (Graphics), Microsoft Excel, Data Validation, Data Management, Data Cleansing, Data Entry, Data Sharing, Data Import/Export, Spreadsheet Software, Data Transformation, Microsoft Office, Data Analysis Software, Analysis, Data Integrity, Problem Solving
Beginner · Specialization · 3 - 6 Months

University of London
Skills you'll gain: Diplomacy, International Relations, Political Sciences, Cultural Diversity, Intercultural Competence, Cultural Sensitivity, World History, Conflict Management, Policy Analysis
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Risk Modeling, Operations Research, Regression Analysis, Excel Formulas, Microsoft Excel, Business Analytics, Risk Analysis, Business Risk Management, Business Modeling, Financial Modeling, Resource Allocation, Statistical Analysis, Decision Intelligence, Mathematical Modeling, Process Optimization, Financial Analysis, Statistical Methods, Spreadsheet Software, Predictive Analytics, Transportation Operations
Intermediate · Course · 1 - 3 Months