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.

Packt
Skills you'll gain: Secure Coding, Java Programming, Maintainability, Hardening, Java, Software Design Patterns, Application Security, Software Design, Data Structures, Object Oriented Design, Software Architecture, Performance Tuning, Memory Management, API Design, Code Reusability, Object Oriented Programming (OOP), Web Servers, Application Programming Interface (API), Software Development, Virtualization
Intermediate · Specialization · 3 - 6 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Geographic Information Systems, GIS Software, Geospatial Information and Technology, Spatial Data Analysis, Spatial Analysis, NoSQL, Data Modeling, Database Design, Data Store, Databases, Data Storage Technologies, Database Systems, SQL, Data Storage, Query Languages, Relational Databases
Beginner · Course · 1 - 3 Months
Skills you'll gain: Incident Response, Computer Security Incident Management, Incident Management, Cybersecurity, Cyber Threat Intelligence, Security Management, Security Awareness, Data Ethics, Data Security, Technical Communication, AI Workflows, Artificial Intelligence
Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Biotechnology, Biological Engineering, Sustainable Technologies, Life Sciences, Biochemistry, Commercialization, Regulatory Affairs, Sustainable Development, Company, Product, and Service Knowledge, Production Process, New Product Development, Product Development, Molecular, Cellular, and Microbiology
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), File I/O, Data Persistence, Object Oriented Design, Java, Java Programming, File Management, Memory Management, Code Reusability, Application Development, Maintainability, Computer Programming, Software Design, Development Environment, Program Development, Application Design, Programming Principles, Computer Programming Tools, Data Structures, Integrated Development Environments
Beginner · Specialization · 3 - 6 Months

Corporate Finance Institute
Skills you'll gain: Star Schema, Data Presentation, Data Modeling, Tableau Software, Interactive Data Visualization, Business Intelligence, Extract, Transform, Load, Dashboard, Business Intelligence Software, Dashboard Creation, Performance Tuning, Technical Analysis, Model Optimization, Database Design, Data Visualization Software, Plot (Graphics), Market Data, Statistical Visualization, Data Visualization, Trend Analysis
Advanced · Specialization · 3 - 6 Months

Berklee
Skills you'll gain: Music Performance, Post-Production, Music, Media Production, Editing
Beginner · Course · 1 - 4 Weeks

National Taiwan University
Skills you'll gain: Operations Research, Mathematical Modeling, Report Writing, Applied Mathematics, Network Model, Business Modeling, Industrial Engineering, Research Reports, Model Optimization, Linear Algebra, Numerical Analysis, Operational Analysis, Statistical Machine Learning, Inventory Control, Case Studies, Process Optimization, Algorithms, Project Design, Machine Learning, Business Analytics
Beginner · Specialization · 3 - 6 Months
University of London
Skills you'll gain: Model Training, Artificial Intelligence and Machine Learning (AI/ML), Applied Machine Learning, Feature Engineering, Machine Learning, Artificial Intelligence, Statistical Machine Learning, Model Evaluation, Data Literacy, Machine Learning Algorithms, AI literacy, Responsible AI, Data Collection
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Environment, Environmental Issue, Environmental Science, Environmental Resource Management, Environment and Resource Management, Sustainable Development, Water Resources, Biology, Hydrology, Life Sciences, Water Quality, Pollution Prevention, Systems Thinking, Energy and Utilities, Climate Change Mitigation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Software Development Life Cycle, Software Architecture, Full-Stack Web Development, Software Design, Web Development, Software Development Methodologies, Software Design Patterns, Development Environment, Unified Modeling Language, Software Engineering, Web Applications, Software Development Tools, Software Development, Application Deployment, Programming Principles, Front-End Web Development, Web Language, Back-End Web Development, Integrated Development Environments, Python Programming
Beginner · Course · 1 - 3 Months

École Polytechnique
Skills you'll gain: Vibrations, Engineering Analysis, Hydraulics, Civil Engineering, Mechanical Engineering, Engineering, Mechanics, Structural Engineering, Hemodynamics, Biological Engineering, Biomedical Engineering, Mathematical Modeling, Differential Equations
Intermediate · Course · 1 - 3 Months