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.

Indian Institute for Human Settlements
Skills you'll gain: Editing, Storytelling, Photography, Journalism, Content Creation, Infographics, Report Writing, Writing, Media and Communications, Social Media, Research, Instagram
Mixed · Course · 1 - 3 Months

Eindhoven University of Technology
Skills you'll gain: Case Studies, Service Design, Transportation Operations, Feasibility Studies, Sustainable Systems, Sustainable Development, Data Collection, Customer Analysis, Surveys, Consumer Behaviour
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Fire And Life Safety, Building Codes, Building Services Engineering, HVAC, Mechanical Ventilation, Safety Standards, Health And Safety Standards, Engineering Calculations, Mechanical Engineering
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Requirements Management, Robotic Process Automation, Requirements Elicitation, Business Process Automation, Requirements Analysis, Business Requirements, Stakeholder Engagement, Business Analysis, Automation, Business Process, Process Analysis, Stakeholder Management, Stakeholder Communications, Project Scoping, Process Mapping, Business Strategy
Beginner · Course · 1 - 3 Months

Skills you'll gain: Azure Active Directory, Role-Based Access Control (RBAC), Microsoft Azure, Single Sign-On (SSO), Active Directory, Cloud Management, Identity and Access Management, Authorization (Computing), Authentications, Multi-Factor Authentication, User Provisioning, Data Governance, Cloud Services, User Accounts, Security Controls, Virtual Machines, Self Service Technologies, Scalability
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Secure Coding, Application Security, System Programming, C++ (Programming Language), C (Programming Language), Unix, Embedded Systems, Debugging, Unix Commands, Operating Systems, Data Security, Linux, Microsoft Windows
Mixed · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Amazon Bedrock, Prompt Engineering, LLM Application, Application Development, Artificial Intelligence, AI Orchestration, AI Enablement, AI Workflows, Network Routing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Core Data (Software), iOS Development, Data Store, Maintainability, User Interface and User Experience (UI/UX) Design, Software Design, Cloud Storage, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cybersecurity, Cyber Operations, Data Persistence, Exploitation techniques, Persistence, Intrusion Detection and Prevention, Scripting, Python Programming, Microsoft Windows
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Linux, File Systems, Shell Script, Electrical Engineering
Advanced · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Vulnerability Management, Penetration Testing, Vulnerability Assessments, Intrusion Detection and Prevention, Security Testing, Network Security, Threat Management, System Testing, Firewall, Cybersecurity, Cloud Security, Microsoft Azure, Virtual Private Networks (VPN), Virtual Networking, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Cryptography, Cybersecurity, Enterprise Application Management, Cyber Attacks, Emerging Technologies, Financial Trading, Digital Assets, Cyber Security Assessment, FinTech, Transaction Processing, Data Integrity
Beginner · Course · 1 - 3 Months