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 Colorado Boulder
Skills you'll gain: Bash (Scripting Language), Scalability, Distributed Computing, Big Data, Operating Systems, File Systems, Linux, Scripting, Command-Line Interface, Performance Tuning, Programming Principles, Computer Architecture
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unit Testing, Test Case, Application Deployment, Responsive Web Design, Test Driven Development (TDD), Continuous Deployment, Debugging, Maintainability, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, Software Testing, Code Review, Development Testing, Interviewing Skills, Web Development Tools, HTML and CSS, Web Development, Application Development, Software Documentation
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Accounting Records, Invoicing, Billing & Invoicing, Key Performance Indicators (KPIs), Compliance Management, Billing, Tax Compliance, Record Keeping, Accounting, Records Management, Document Control, Tax Management, Performance Reporting, Regulatory Compliance, Reconciliation, Performance Analysis, Data Collection
Beginner · 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, Governance
Beginner · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: Meeting Facilitation, Prioritization, Time Management, Organizational Skills, Leadership, Ethical Standards And Conduct, Planning, Goal Setting, Teaching, Higher Education
Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Immigration Law, Legal Proceedings, Law, Regulation, and Compliance, Court Systems, Civil Procedures, Diversity Programs
Intermediate · Course · 1 - 4 Weeks

University of Manchester
Skills you'll gain: Sustainable Business, Corporate Sustainability, Business Ethics, Environmental Social And Corporate Governance (ESG), Sustainable Development, Intercultural Competence, Ethical Standards And Conduct, Team Oriented, Decision Making, Cultural Diversity, Systems Thinking, Stakeholder Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Application Security, Security Testing, DevSecOps, Threat Modeling, Vulnerability Scanning, Continuous Monitoring, Vulnerability Assessments, Application Performance Management, System Monitoring, Development Environment, Data Security, Software Development Life Cycle
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Power BI, Data Modeling, Data Analysis Expressions (DAX), Data Integration, Microsoft Excel, File Management, Data Import/Export, ChatGPT, Data Transformation
Intermediate · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: Crisis Management, Mediation, Negotiation, Conflict Management, Diplomacy, Leadership, Governance, Public Safety and National Security, International Relations, Social Justice, Diversity and Inclusion, Decision Making, Case Studies
Beginner · Course · 1 - 3 Months

Skills you'll gain: AI Workflows, AI Orchestration, Agentic Workflows, Model Deployment, AI Security, Decision Making
Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Disabilities, Web Content Accessibility Guidelines, Education and Training, Adaptive Equipment, Hypertext Markup Language (HTML), Instructional Design, Visual Impairment Education, Law, Regulation, and Compliance, Microsoft Office, Advocacy
Beginner · Course · 1 - 3 Months