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 Leeds
Skills you'll gain: Change Management, Strategic Leadership, Organizational Change, Business Leadership, Leadership, Influencing, Corporate Sustainability, Sustainable Business, Environmental Social And Corporate Governance (ESG), Business Ethics, Adaptability, Communication, Employee Engagement
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: vSphere Networking and Storage, Virtual Networking, vCenter Server Management, Role-Based Access Control (RBAC), vCenter Server, VMware ESX Servers, iSCSI Configuration, Event Monitoring, Virtual Machines, Virtualization, System Monitoring, Data Storage
Beginner · Course · 1 - 4 Weeks

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

Simplilearn
Skills you'll gain: Scaled Agile Framework, Agile Methodology, Team Building, Scrum (Software Development), Sprint Retrospectives, Agile Project Management, Agile Product Development, Change Management, Cross-Functional Collaboration, Sprint Planning, Organizational Change, Backlogs, Team Leadership, Continuous Improvement Process
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Search Engine Optimization, Application Deployment, Cloud Hosting, Program Development, Object Oriented Programming (OOP), Servers, Web Servers
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Ansible, IT Automation, Infrastructure as Code (IaC), Devops Tools, Linux Commands, Automation, Debugging, YAML, Scripting, Security Controls, Unix Commands, Command-Line Interface, Encryption, Amazon Web Services, Package and Software Management, Software Installation, Configuration Management, File Management
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Climate Change Mitigation, Sustainable Development, Environment, Sustainable Technologies, Environmental Science, Sustainability Standards, Corporate Sustainability, Energy and Utilities, Climate Change Adaptation, Environmental Policy, Education and Training
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Responsible AI, HR Tech, Employee Engagement, Human Resources, Generative AI, Data Ethics, Talent Recruitment, Talent Acquisition, Human Resource Strategy, Recruitment, Trend Analysis, Employee Training, Employee Retention, Data-Driven Decision-Making, Workforce Development, Workforce Planning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Business Intelligence, Power BI, Cloud Security, Advanced Analytics, Data Management, Data Governance, Amazon Web Services, Data Integration, Data Security, Cost Control, Data Visualization Software, Cloud Computing, Data Warehousing, Data Modeling, Statistical Reporting, Amazon S3, SQL
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cybersecurity, Network Security, Cloud Security, Application Security, OSI Models, Cryptography, Encryption, Endpoint Security, Firewall, Malware Protection, Wireless Networks, Network Protocols, Public Key Infrastructure, Data Integrity, Virtualization
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: AI Orchestration, Agentic Workflows, Generative AI Agents, Agentic systems, LLM Application, Automation, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, System Monitoring, Workflow Management, Tool Calling, Continuous Monitoring, Scalability, Prompt Engineering, Code Review, User Feedback
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Performance Tuning, Wide Area Networks, Network Troubleshooting, Network Planning And Design
Beginner · Course · 1 - 3 Months