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: Cryptography, Network Security, OSI Models, Public Key Infrastructure, Network Protocols, Encryption, Remote Access Systems, Firewall, Emerging Technologies, TCP/IP, Wireless Networks, Authentications
Advanced · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Wealth Management, Financial Services, Consultative Approaches, Financial Planning, Investment Management, Compensation Management, Risk Management Framework, Asset Management, Market Intelligence, Client Services
Beginner · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Virtual Private Networks (VPN), Amazon Web Services, AWS Identity and Access Management (IAM), Network Security, Remote Access Systems, Amazon Elastic Compute Cloud, Command-Line Interface, Control Panels, End User Training and Support
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Automation, Software Testing, Test Case, Javascript and jQuery, Browser Compatibility, Automation, Software Design Patterns, UI Components, Java
Intermediate · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Public Health and Disease Prevention, Public Health, Environmental Science, Infectious Diseases, Preventative Care, Health Policy, Health Care Procedure and Regulation, Policty Analysis, Research, and Development, Climate Change Adaptation, Governance, Food Safety and Sanitation, Law, Regulation, and Compliance, Case Studies
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Django (Web Framework), Performance Tuning, Postman API Platform, Restful API, Application Programming Interface (API), Data Validation, Authentications, React.js, Authorization (Computing), PostgreSQL, Object-Relational Mapping, API Design, Model View Controller, Scalability, Application Frameworks, JSON, Full-Stack Web Development, Unit Testing, Web Development, Python Programming
Advanced · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Resilience, Personal Development, Growth Mindedness, Overcoming Obstacles, Positivity, Community Development, Persistence, Adaptability, Empowerment, Empathy, Cultural Diversity, Mindfulness, Relationship Building
Beginner · Course · 1 - 3 Months

Skills you'll gain: Computational Thinking, Python Programming, Scripting, Computer Programming, Maintainability, Programming Principles, Scripting Languages, Software Development
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Cloud-Native Computing, Docker (Software), .NET Framework, ASP.NET, Application Deployment, Development Environment, Nginx, YAML, Scalability, Microsoft SQL Servers
Intermediate · Course · 1 - 3 Months

University of Alberta
Skills you'll gain: Biology, Life Sciences, Taxonomy, Timelines, Research
Mixed · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Emotional Intelligence, Agile Project Management, Program Management, Sprint Retrospectives, Project Portfolio Management, Negotiation, Agile Methodology, Project Controls, Project Risk Management, Team Leadership, Project Management, Quality Management, Leadership, Scaled Agile Framework, User Acceptance Testing (UAT), Continuous Improvement Process, Return On Investment
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Chronic Diseases, Student Support and Services, Parent Communication, Care Management, Health Education, First Aid, Patient Education and Support, Pediatrics, Emergency Response, Nursing Care, Respiratory Care, Medication Administration, Nutrition and Diet
Beginner · Course · 1 - 4 Weeks