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.

Arizona State University
Skills you'll gain: Data Storage Technologies, Probability & Statistics, Statistics, Data Store, Mathematical Software, Data Storage, Data Access, Database Software, Data Manipulation, Data Transformation, Model Evaluation
Intermediate · Course · 1 - 4 Weeks

Niel Asher Education
Skills you'll gain: Manual Therapy, Mindfulness, Emotional Intelligence, Self-Awareness, Physical Therapy, Cognitive Behavioral Therapy, Sensory Systems Analysis, Psychotherapy, Patient-centered Care, Patient Communication, Active Listening, Mental Health Therapies, Athletic Training, Coaching, Communication, Intravenous Therapy
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Accounting Software, Payment Processing, Supplier Relationship Management
Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Ajax, jQuery, Javascript and jQuery, JSON, Django (Web Framework), Web Applications, Javascript, Debugging, Database Design, Data Modeling, Event-Driven Programming, Data Access, User Accounts, Object Oriented Programming (OOP), Python Programming
★ 4.8 (295) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Incident Response, Cyber Security Strategy, Open Web Application Security Project (OWASP), Application Security, Secure Coding, Cloud Security, Cybersecurity, Vulnerability Assessments, Cyber Attacks, Information Systems Security, Metasploit, Security Strategy, Infrastructure Security, Incident Management, Vulnerability Scanning, Security Testing, Hardening, Security Controls, Penetration Testing, Mobile Security
★ 4.6 (16) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Back-End Web Development, PostgreSQL, Database Development, Python Programming, Restful API, SQL, API Design, Object-Relational Mapping, Application Programming Interface (API), Database Management, Databases, Data Validation, Development Environment
★ 4 (22) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Event Management, Competitive Analysis, Events and Conferences, Event Planning, Risk Analysis, Team Leadership, Business Planning, Team Management, Market Analysis, Plan Execution, Risk Management, Operational Analysis, Market Opportunities, Customer experience improvement, Risk Management Framework, Coordination, Business Strategy, Performance Measurement, Client Services, Strategic Decision-Making
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Unit Testing, Test Case, Application Deployment, Responsive Web Design, Continuous Deployment, Maintainability, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, Software Testing, Test Script Development, HTML and CSS, Development Testing, Hypertext Markup Language (HTML), Interviewing Skills, Web Development Tools, Debugging, Web Development, Application Development, Software Documentation
★ 4.5 (24) · Intermediate · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: Git (Version Control System), Integrated Development Environments, Version Control, IntelliJ IDEA, Software Development Tools, Eclipse (Software), Microsoft Visual Studio, Development Environment, Software Versioning, Software Development, Release Management, Collaborative Software, Software Development Methodologies, Change Control
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI Workflows, AI literacy, Model Training, Responsible AI, Model Evaluation, Classification Algorithms
Beginner · Course · 1 - 3 Months

Skills you'll gain: IT Security Architecture, Threat Modeling, Application Security, Cloud Deployment, Cloud Computing Architecture, Cloud Computing, Cloud Services, Security Engineering, Cloud Security, Systems Architecture, Security Controls, Software As A Service, Infrastructure As A Service (IaaS), Computer Security, Data Security, Platform As A Service (PaaS), Data Integrity
★ 5 (13) · Advanced · Course · 1 - 4 Weeks

University of Copenhagen
Skills you'll gain: European History, Immigration Law, Political Sciences, Cultural Diversity, Social Justice, Policy Analysis, International Relations, Case Law, Social Sciences, Public Policies, Advocacy, Law, Regulation, and Compliance, Governance
★ 4.8 (69) · Beginner · Course · 1 - 4 Weeks