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.

Banco Interamericano de Desarrollo
Skills you'll gain: Water Resources, Environment, Hydrology, Climate Change Adaptation, Environmental Issue, Water Sustainability, Environmental Science, Land Management, Mitigation, Natural Resource Management, Sustainable Development, Climate Change Mitigation, Social Studies, Biology, Teaching, Community Development
★ 4.9 (7) · Beginner · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Financial Policy, International Relations, Economic Development, International Finance, World History, Fiscal Management, Economics, Financial Systems, Tax, Socioeconomics, Economics, Policy, and Social Studies, Social Studies, Governance, Policy Analysis, Research, and Development, Banking, Market Dynamics, Growth Strategies
★ 4.8 (204) · Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Test Tools, Test Automation, Test Planning, Scripting, Test Script Development, Continuous Integration, CI/CD, Software Testing, Software Technical Review, Scripting Languages, Test Engineering, Continuous Delivery, Maintainability, Automation, Software Quality (SQA/SQC), Application Frameworks
★ 4.3 (6) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Excel, Spreadsheet Software, Data Integration, Excel Formulas, Data Import/Export
Intermediate · Guided Project · Less Than 2 Hours

Total Seminars
Skills you'll gain: Exploitation techniques, Penetration Testing, Cybersecurity, Cloud Security, Vulnerability Assessments, Security Testing, Application Security, Web Applications, Cloud Platforms, Human Factors (Security), Cloud Infrastructure, Security Strategy, Application Programming Interface (API), Mobile Security, AWS Identity and Access Management (IAM), Databases, Mobile Development Tools, Scripting Languages, SQL, Azure DevOps
Advanced · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Vendor Management, Team Management, Project Management, Project Implementation, Procurement, Team Performance Management, Team Building, Project Scoping, Purchasing, Scope Management, Conflict Management, Team Leadership, Agile Project Management, Project Risk Management, Project Planning, Leadership, Leadership Development, Change Control, Microsoft Excel, Microsoft Word
Mixed · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Media and Communications, Public Affairs, Electronic Media, Political Sciences, Journalism, Policy Analysis, Data Ethics, Advocacy, Persuasive Communication, Social Sciences, Policy Analysis, Research, and Development, Community Organizing, Public History, Digital Analysis, Digital Communications, Intelligence Collection and Analysis, Writing, digital literacy, Driving engagement, Digital Transformation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Stakeholder Communications, Cross-Functional Team Leadership, Interpersonal Communications, Discussion Facilitation, Strategic Communication, Project Coordination, Stakeholder Engagement, Internal Communications, Analysis, Project Scoping, Process Mapping, Process Improvement
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: File I/O, Debugging, File Management, File Systems, Python Programming, Operating Systems, Programming Principles, Computer Programming, Object Oriented Programming (OOP), Software Development, Cross Platform Development
★ 4.9 (19) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: MySQL, MongoDB, NoSQL, Object-Relational Mapping, Database Design, Relational Databases, SQL, Node.JS, Restful API, Databases, MySQL Workbench, Data Persistence, Database Application, Data Modeling, Data Integrity, Unstructured Data
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Mergers & Acquisitions, Business Valuation, Bankruptcies, Corporate Finance, Corporate Strategy, Investment Banking, Market Analysis, Financial Modeling, Corporate Communications, Market Dynamics, Financial Analysis, Cash Flows, Governance
Mixed · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: System Configuration, Security Controls, Hardening, Data Security, Authentications, Multi-Factor Authentication, User Accounts
Intermediate · Project · Less Than 2 Hours