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.

Duke University
Skills you'll gain: Advertising, Media and Communications, Digital Advertising, Culture, Art History, Creativity, Consumer Behaviour, Business Ethics, Diversity and Inclusion
Mixed · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Systems Thinking, Social Justice, Social Sciences, Complex Problem Solving, Political Sciences, Policy Analysis, Persuasive Communication, Personal Development, Critical Thinking, Simulations, Mathematical Modeling, Climate Change Mitigation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Power Electronics, Thermal Management, Electrical Safety, Electrical Power, Building Codes, Electric Power Systems, Electronic Systems, Electrical Equipment, Electrical Systems, Electronic Components, Energy and Utilities, HVAC, Basic Electrical Systems, Maintenance, Repair, and Facility Services, Sustainable Technologies, Environmental Issue, Environment and Resource Management, Environmental Regulations, Environmental Engineering and Restoration, Geospatial Information and Technology
Intermediate · Specialization · 1 - 3 Months

Arizona State University
Skills you'll gain: Semiconductors, Electronic Components, Electrical Engineering, Electronics Engineering, Electronics, Materials science
Intermediate · Course · 1 - 3 Months

IE Business School
Skills you'll gain: Diversity Equity and Inclusion Initiatives, Diversity and Inclusion, Workplace inclusivity, Cultural Diversity, Human Resource Policies, Employee Engagement, Human Resources, Employee Retention, Organizational Leadership, Relationship Building, Mentorship, Empathy & Emotional Intelligence, Business Strategy, Leadership, Critical Thinking
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Role-Based Access Control (RBAC), Authentications, Secure Coding, ASP.NET, Microsoft Copilot, Data Security, Back-End Web Development, Authorization (Computing), JSON, Identity and Access Management, Data Storage, Application Programming Interface (API), Encryption
Beginner · Course · 1 - 4 Weeks

University of Cambridge
Skills you'll gain: Accrual Accounting, Accruals, Financial Accounting, Financial Modeling, Accounting, Equities, Financial Market, Capital Markets, Financial Analysis, Sustainable Business, Depreciation, Financial Statements, Cash Flows, Loans, Profit and Loss (P&L) Management, Microsoft Excel, Strategic Decision-Making
Intermediate · Course · 1 - 3 Months

Skills you'll gain: LangGraph, AI Orchestration, Model Deployment, Retrieval-Augmented Generation, AI Workflows, Generative AI Agents, CrewAI, Agentic Workflows, LangChain, Artificial Intelligence and Machine Learning (AI/ML), LLM Application, Agentic systems, OpenAI, Systems Integration, Tool Calling, Google Gemini, Workflow Management, Automation, Prompt Engineering, Responsible AI
Intermediate · Specialization · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Teaching, Differentiated Instruction, Pedagogy, Instructional Strategies, Human Learning, Cultural Diversity, Research, Student-Centred Learning, Media and Communications, Curriculum Development
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Model Evaluation, Unsupervised Learning, Regression Analysis, Classification Algorithms, Machine Learning Algorithms, Linear Algebra, Machine Learning, Predictive Modeling, Statistical Modeling, Supervised Learning, Performance Tuning
Intermediate · Course · 1 - 3 Months

Alfaisal University | KLD
Skills you'll gain: Data Entry, Data Validation, Data Cleansing, Data Management, Data Quality, Data Integrity, Data Import/Export
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Model Evaluation, Data Validation, Regression Analysis, Feature Engineering, Plot (Graphics), Statistical Modeling, Data Transformation, Correlation Analysis, Statistical Analysis, R Programming, Time Series Analysis and Forecasting, Statistical Inference, Statistical Hypothesis Testing
Build toward a degree
Intermediate · Course · 1 - 4 Weeks