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: C++ (Programming Language), Object Oriented Programming (OOP), C and C++, Programming Principles, Computer Programming, Software Documentation, Functional Design, Computer Science, Maintainability
Intermediate · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Finite Element Methods, Semiconductors, Electronic Systems, Computer Architecture, Manufacturing Processes, Process Engineering, Emerging Technologies, Simulation and Simulation Software, Mathematical Modeling, Electronic Components, Micrometer, Artificial Intelligence, Scalability
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, LangChain, LLM Application, Large Language Modeling, PostgreSQL, Database Systems, User Interface (UI), Prompt Patterns, Human Computer Interaction, UI Components, User Interface (UI) Design, Artificial Intelligence, Cloud Computing
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Selenium (Software), JUnit, HTML and CSS, Test Automation, Software Testing, Test Script Development, Web Development, Software Quality Assurance, Continuous Integration, Java, Test Execution Engine, Object Oriented Programming (OOP), Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Package and Software Management, Software Installation, Programming Principles, Integrated Development Environments, Command-Line Interface
Beginner · Course · 1 - 3 Months

Skills you'll gain: COBOL (Programming Language), Debugging, z/OS, Unit Testing, Test Driven Development (TDD), Software Testing, Mainframe Computing, Integrated Development Environments, Computer Programming Tools, File I/O
Beginner · Course · 1 - 3 Months

Dubai College of Tourism
Skills you'll gain: Revenue Management, Loyalty Programs, Forecasting, Market Dynamics, Hospitality Management, Revenue Forecasting, Marketing Channel, Cost Control, Cost Management, Customer Demand Planning, Hotel Operations, Data-Driven Decision-Making, Market Analysis, Data Analysis
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Linux, Linux Administration, Operating System Administration, Linux Commands, User Accounts, Command-Line Interface, Systems Administration, Operating Systems, User Provisioning, Service Management, System Configuration, System Monitoring, Graphical Tools, File Management
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Computer Programming, Programming Principles, Software Design, Data Structures, Debugging
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Firewall, Network Security, Intrusion Detection and Prevention, Information Systems Security, Security Controls, Network Monitoring, Threat Detection, Linux Administration, Linux
Intermediate · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: Healthcare Ethics, Pharmacology, Medical Science and Research, Mental and Behavioral Health Specialties, Medical History Documentation, Culture, Behavioral Health, Ancient History, Medical Practices and Procedures, World History, Public Health
Beginner · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Manufacturing Processes, Equipment Design, Manufacturing and Production, Systems Of Measurement, Process Analysis, Process Control, Materials science, Laboratory Testing, Safety Training
Intermediate · Course · 1 - 4 Weeks