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: 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 at Buffalo
Skills you'll gain: Peer Review, Governance, Leadership and Management, Discussion Facilitation, Philanthropy, Public Administration, Organizational Effectiveness, Performance Review, Organizational Leadership, Community Development, Organizational Structure, Leadership, Case Studies, Analysis, Decision Making
Mixed · Course · 1 - 3 Months

IE Business School
Skills you'll gain: Product Lifecycle Management, Market Trend, Product Strategy, Product Management, Market Analysis, Competitive Analysis, New Product Development, Brand Management, Marketing Strategies, Growth Strategies
Beginner · Course · 1 - 4 Weeks

Interactive Brokers
Skills you'll gain: Economics, Supply And Demand, Market Dynamics, Compensation Management, Market Trend, Economic Development, Market Data, Trend Analysis, Forecasting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Programmable Logic Controllers, Animations, Human Machine Interfaces, Control Systems, Visualization (Computer Graphics), Control Panels, Test Tools, Interactive Design, Electrical Wiring, Automation Engineering, Simulations, User Interface (UI) Design, User Feedback, System Configuration
Intermediate · Course · 1 - 3 Months

Indian Institute of Technology Guwahati
Skills you'll gain: User Experience, Information Architecture, User Experience Design, Interaction Design, User Flows, Persona (User Experience), Usability, User Centered Design, User Interface (UI) Design, Wireframing, User Research, Conceptual Design, Persona Development, Mockups, Ideation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Instagram, Drive Engagement, Customer Engagement, Social Media, Social Media Content, Social Media Strategy, Community Development, Content Development and Management
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Routing Protocols, Network Routing, Virtual Local Area Network (VLAN), TCP/IP, Network Administration, Network Switches, General Networking, Network Architecture, OSI Models, Network Routers, Local Area Networks, Networking Hardware, Computer Networking, Network Infrastructure, Network Model, Network Protocols, Command-Line Interface
Mixed · Course · 1 - 3 Months

Skills you'll gain: Applied Machine Learning, Case Studies, Fraud detection, Project Risk Management, Project Planning, Business Ethics, Ethical Standards And Conduct, Law, Regulation, and Compliance, Scalability, Content Strategy, Quality Assessment, Keyword Research, Search Engine Optimization, Content Creation
Intermediate · Course · 1 - 4 Weeks

Universiteit Leiden
Skills you'll gain: Anatomy, Medical Imaging, Pathology, Patient Evaluation, Urology, Gynecology, Diagnostic Tests, General Surgery, Physiology, Clinical Practices, Visualization (Computer Graphics), Medical Terminology
Mixed · Course · 1 - 3 Months