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.

Cisco Learning and Certifications
Skills you'll gain: Hybrid Cloud Computing, Cloud-Based Integration, Cloud Computing, Key Management, Session Initiation Protocols, Network Troubleshooting, Network Monitoring, Cloud Security, Collaborative Software, Systems Integration, Live Streaming, Telecommunications, Encryption, Communication Systems
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Customer Insights, AI Personalization, Big Data, Keyword Research, Performance marketing, Case Studies, Customer Analysis, Google Ads, Responsible AI, Marketing Analytics, Data Presentation, AI Product Strategy, Generative AI, Email Marketing, Marketing Automation, Social Media Marketing, Generative AI Agents, Campaign Management, Predictive Analytics
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: IBM Cloud, Development Testing, Natural Language Processing, Software Testing, User Flows, Customer experience improvement, User Accounts, Content Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, Model Context Protocol, Agentic Workflows, Prompt Engineering, Anthropic Claude, AI Orchestration, Application Programming Interface (API), Prompt Patterns, Restful API, Prompt Engineering Tools, LLM Application, JSON, Generative AI Agents, Tool Calling, Generative AI, Artificial Intelligence, Agentic systems, Automation, Scalability, Servers
Intermediate · Specialization · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Water Quality, Sanitation, Water Resource Management, Microbiology, Environmental Engineering, Public Health, Governance, Economics, Chemistry
Intermediate · Course · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Econometrics, Regression Analysis, Probability & Statistics, Statistical Modeling, Statistical Analysis, Correlation Analysis, Time Series Analysis and Forecasting, Economics, Statistical Inference, Probability Distribution, Logistic Regression, Model Evaluation
Build toward a degree
Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Management Accounting, Cost Accounting, Accounting Systems, Supply Chain, Accounting, Operating Cost, Financial Accounting, Cost Management, Cost Estimation, Analysis, Decision Making
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Debugging, Software Testing, Program Development, Simulations, Computer Programming, Algorithms, Development Environment, C (Programming Language), Command-Line Interface
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Estimation, Applied Mathematics, Numerical Analysis, Mathematical Modeling, Control Systems, Mathematical Software, Simulation and Simulation Software, Model Evaluation, Derivatives, Calculus, Computer Programming Tools
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Semiconductors, Electronic Components, Electrical Engineering, Electrical and Computer Engineering, Electronics, Electronics Engineering
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: UI Components, Business Requirements, Workflow Management, Product Requirements, Code Review, Project Design, Blogs, E-Commerce, Front-End Web Development, Software Installation, Content Management Systems, System Configuration, Program Implementation
Beginner · Course · 1 - 4 Weeks

University of Copenhagen
Skills you'll gain: Anthropology, Biology, Physical Science, World History, Microbiology, Environment, Ancient History, Biochemistry, Environmental Science, Climate Change Adaptation, Taxonomy, Chemistry, Scientific Methods
Mixed · Course · 1 - 3 Months