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: Test Driven Development (TDD), Debugging, Software Testing, Performance Testing, Unit Testing, API Testing, Test Case, Test Automation, Acceptance Testing, Regression Testing, Testability, Integration Testing, .NET Framework, Application Performance Management
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Java, Software Architecture, Object Oriented Programming (OOP), Data Structures, Software Design, Computer Programming, Programming Principles, Application Development, UI Components
Mixed · Course · 1 - 3 Months

Skills you'll gain: jQuery, Javascript and jQuery, Animations, Debugging, UI Components, Event-Driven Programming, Responsive Web Design, Web Applications, Interactive Design, HTML and CSS, Data Validation
Intermediate · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Investment Banking, Risk Management, Financial Market, Financial Regulation, Financial Services, Finance, Business Risk Management, Securities (Finance), Financial Policy, Enterprise Risk Management (ERM), Capital Markets, Behavioral Economics, Banking, Corporate Finance, Governance, Investments, Insurance, Underwriting, Derivatives, Market Dynamics
Beginner · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Ideation, AI Product Strategy, UI/UX Research, Brainstorming, Innovation, Design Thinking, User Research, AI Enablement, Generative AI, Competitive Analysis, User Experience Design, Human Centered Design, Data Ethics, Persona (User Experience), Artificial Intelligence, Problem Solving, Data Collection, Data Synthesis, Critical Thinking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Eclipse (Software), Software Testing, UI Components, Integrated Development Environments, Web Applications, Java, Functional Testing
Beginner · Guided Project · Less Than 2 Hours

Nanyang Technological University, Singapore
Skills you'll gain: Growth Mindedness, Motivational Skills, Self-Motivation, Needs Assessment, Learning Theory, Student Engagement, Interactive Learning, Parent Communication, Adult Learning Principles, Learning Strategies, Learning Styles, Instructional Strategies
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: Consultative Selling, Communication, Consumer Behaviour, Trustworthiness, Marketing Psychology, Solution Selling, Sales Presentation, Persuasive Communication, Sales, Sales Strategy, Needs Assessment, Customer Relationship Building, Rapport Building, Influencing, Customer Insights, Storytelling, Empathy, Target Audience, Cultural Sensitivity
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Middleware, Web Services, Data Mapping, Simple Object Access Protocol (SOAP), Restful API, Software Technical Review, Application Development, Cloud Applications, Application Programming Interface (API), System Monitoring, Application Performance Management, Data Integration, Enterprise Application Management, Software Architecture, Business Process Automation, Performance Tuning, Scalability, Debugging, Application Security, Role-Based Access Control (RBAC)
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Spring Framework, Spring Boot, Java, Apache Maven, Hibernate (Java), Unit Testing, Gradle, Microservices, Object-Relational Mapping, Software Testing, Testability, Restful API
Intermediate · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Child Welfare, Research, Research Methodologies, Family Support, Working With Children, Trauma Care, Child Development, Social Sciences, Human Development, Cultural Diversity, Culture, Case Studies
Mixed · Course · 1 - 3 Months