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.

University of Colorado Boulder
Skills you'll gain: Stakeholder Management, Engineering Management, Stakeholder Engagement, Negotiation, Stakeholder Communications, Mentorship, Leadership, Leadership and Management, Courage, Growth Mindedness, Leadership Development, Team Leadership, Organizational Leadership, Collaboration, Professional Development, Visionary, Personal Development, Lifelong Learning, Personal Integrity, Resilience
★ 4.7 (24) · Beginner · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Cucumber (Software), Gherkin (Scripting Language), Software Testing, Testability, Test Case, White-Box Testing, Behavior-Driven Development, Code Coverage, Test Engineering, Functional Testing, Test Automation, JUnit, Requirements Analysis, Java Programming
★ 3.8 (117) · Intermediate · Course · 1 - 4 Weeks

Interactive Brokers
Skills you'll gain: Real Estate, Risk Management, Property and Real Estate, Business Risk Management, Financial Analysis, Commercial Real Estate, Economics, Market Dynamics, Commercial Construction, Investment Management, Market Data, Mortgage Loans, Investments, Market Trend, Market Analysis
★ 4.4 (9) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: ASP.NET, .NET Framework, Software Design Patterns, Software Design, Maintainability, Software Architecture, Object Oriented Design, C# (Programming Language), Microsoft Visual Studio, Application Programming Interface (API), UI Components, API Design, Application Frameworks, Restful API, Development Testing, User Interface (UI), Object-Relational Mapping, Debugging, Unit Testing, Web Design and Development
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Intellectual Property, Research, Higher Education, Research Methodologies, Research Design, General Science and Research, Science and Research, Ethical Standards And Conduct, Student Engagement, Safety and Security, Innovation
★ 5 (7) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Prompt Patterns, Prompt Engineering Tools, LangChain, Generative AI, Generative Model Architectures, Embeddings, AI Workflows, Model Optimization, Serverless Computing, Agentic Workflows, Systems Development Life Cycle, AI Orchestration, Cloud Development, Development Testing, AI Personalization, AI Enablement, AI Integrations, Application Development, Code Review, Computer Programming Tools
★ 4.2 (55) · Intermediate · Specialization · 3 - 6 Months

Indian Institute for Human Settlements
Skills you'll gain: Editing, Storytelling, Writing and Editing, Photography, Content Creation, Visual Storytelling, Infographics, Writing, Driving engagement, Media and Communications, Social Media, Instagram
★ 4.8 (9) · Mixed · Course · 1 - 3 Months

The George Washington University
Skills you'll gain: Drug Development, Law, Regulation, and Compliance, Health Equity, Informed Consent, Pharmaceuticals, Health Care Procedure and Regulation, Healthcare Ethics, Public Health and Disease Prevention, Health Disparities, Regulatory Compliance, Public Health, Health Policy, Personal Injury Law, Advocacy, Policy Analysis, Intellectual Property, Infectious Diseases, Patient Education And Counseling, Public Affairs, Emergency Response
★ 4.1 (7) · Mixed · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Core Data (Software), Apple iOS, iOS Development, JSON, Objective-C (Programming Language), OAuth, Authentications, Mobile Development, Single Sign-On (SSO), Web Services, Secure Coding, Data Store, Cryptographic Protocols, Application Security, Data Persistence
★ 4.5 (255) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: HR Tech, Performance Appraisal, Human Resources Software, People Analytics, Performance Management, Recruitment, Training and Development, Human Resources Management and Planning, Human Resource Management, Employee Retention, Human Resources Information System (HRIS), Compensation Management, Human Resources, Workforce Planning, Job Analysis, Recruitment Strategies, Talent Recruitment, Constructive Feedback, Talent Acquisition, Analytics
★ 3.8 (6) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Musical Composition, Music, Music Theory, Music Performance, Instrumental Music, Choral Music, Classical Music, Performing Arts, Post-Production, Writing and Editing, Media Production, Editing, Creativity
Beginner · Specialization · 3 - 6 Months

Imperial College London
Skills you'll gain: Infectious Diseases, Immunology, Molecular, Cellular, and Microbiology, Pathology, Epidemiology, Microbiology, Public Health, Molecular Biology
★ 4.8 (90) · Intermediate · Course · 1 - 3 Months