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.

École Polytechnique
Skills you'll gain: Peer Review, Journals, Scientific Methods, Research, Research Design, Proofreading, Research Methodologies, Editing, Ethical Standards And Conduct, Data Management
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Facebook, Social Media Campaigns, Social Media Marketing, Social Media, Target Audience, Advertising, Social Media Strategy, Digital Advertising, Content Performance Analysis
Intermediate · Guided Project · Less Than 2 Hours

University of California, Davis
Skills you'll gain: Relationship Building, Research, Planning, Goal-Oriented, Professionalism, Resilience, Resourcefulness, Problem Solving, Persistence, Persuasive Communication, Time Management, Communication, Strategic Thinking
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, User Interface and User Experience (UI/UX) Design, Digital Design, Web Design, Motion Graphics, Adobe XD, Graphic and Visual Design, No-Code Development, Graphic Design, Animations, Prototyping, Typography, Layout Design, Visual Design, Design Elements And Principles, Augmented and Virtual Reality (AR/VR), Style Guides, Storytelling, Creative Design, Image Quality
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Scaled Agile Framework, Agile Project Management, Agile Software Development, Agile Methodology, Scrum (Software Development), Sprint Planning, Kanban Principles, Lean Methodologies, Organizational Change, Sprint Retrospectives, Waterfall Methodology, Process Mapping, Continuous Improvement Process, Prioritization, Requirements Analysis
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Wrangling, Unstructured Data, Query Languages, Data Manipulation, Data Import/Export, Big Data, SQL, Database Administration
Beginner · Project · Less Than 2 Hours

The Hong Kong University of Science and Technology
Skills you'll gain: HTML and CSS, jQuery, Web Design and Development, Javascript, Web Development, Animations, Front-End Web Development, Web Applications, Event-Driven Programming, Debugging
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Value Propositions, Social Media Marketing, Social Media Strategy, Strategic Planning, Search Engine Optimization, Competitive Analysis, Business Modeling, Web Analytics and SEO, Business Strategy, Paid media, Content Marketing, Market Analysis, Marketing Strategy and Techniques, Email Marketing, Digital Marketing, Google Ads, Innovation, Product Development, Video Production
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Web Design, Canva (Software), Responsive Web Design, Web Content, Usability, Social Media, Graphic Design, Design Elements And Principles, Business
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Collaborative Software, Data Sharing, File Management
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Flask (Web Framework), Web Development, Web Applications, Application Development, Object-Relational Mapping, Database Application, Back-End Web Development, Software Development, SQL, Python Programming, Computer Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Scripting, Microsoft Word, Microsoft Excel, Web Applications, Debugging, File Management
Beginner · Course · 1 - 3 Months