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.

Edureka
Skills you'll gain: Microsoft Power Platform, Statistical Reporting, Data-Driven Decision-Making
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Angular, Mobile Development, Service Design, Front-End Web Development, UI Components, Data Validation, Application Development, Application Frameworks, Service Oriented Architecture, JavaScript Frameworks, Business Logic
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Data Preprocessing, JUnit, Build Tools, Java Programming, MLOps (Machine Learning Operations), Java, Performance Tuning, Decision Tree Learning, Classification And Regression Tree (CART), Apache Maven, Data Structures, Random Forest Algorithm, Gradle, Data Pipelines, Software Architecture, Software Design, Object Oriented Programming (OOP), Apache, Machine Learning
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Customer Relationship Management (CRM) Software, Email Marketing, Data Mapping, Marketing Automation, Data Validation, Gmail, Marketing Operations, Data Integration, Marketing, Marketing Analytics, Customer Data Management, Data Import/Export, Operational Efficiency
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Land Development, Landscape Architecture, Environmental Science, Sustainable Development, Case Studies, Community Development, Public Works, Sustainable Design, Environment and Resource Management, Building Codes, Cultural Diversity
Intermediate · Course · 1 - 4 Weeks

Stanford University
Skills you'll gain: Healthcare Ethics, Pharmaceuticals, Health Systems, Healthcare Industry Knowledge, Managed Care, Health Care, Medical Billing, Health Care Administration, Health Care Procedure and Regulation, Medicaid, Medicare, Health Policy, Hospital Experience, Value-Based Care
Beginner · Course · 1 - 3 Months

SkillUp
Skills you'll gain: People Management, Law, Regulation, and Compliance, Legal Risk, Workplace inclusivity, Business Ethics
Beginner · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Model Context Protocol, GitHub, Git (Version Control System), Open Source Technology, CI/CD, Version Control, Generative AI Agents, Agentic systems, Tool Calling, YAML, Code Review, Automation, Issue Tracking, Software Documentation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: IT Automation, Systems Administration, Software Configuration Management, Operating System Administration, Package and Software Management
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Image Quality, Engineering, Scientific, and Technical Instruments, Electronic Components, Systems Design, Human Factors, Engineering Calculations, Technical Design, Simulation and Simulation Software, Mathematical Modeling
Build toward a degree
Advanced · Course · 1 - 3 Months

Macquarie University
Beginner · Course · 1 - 3 Months

Skills you'll gain: Usability, Maintainability
Beginner · Course · 1 - 4 Weeks