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.

Rice University
Skills you'll gain: Physics, electromagnetics, Materials science, Physical Science, Mathematical Modeling, Advanced Mathematics, Linear Algebra, Applied Mathematics, Problem Solving
★ 4.8 (10) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Cleansing, Database Design, Data Integration, Data Import/Export, SQL, Data Maintenance, Data Manipulation, Data Wrangling, Database Development, Database Management, Relational Databases, Data Quality, Data Integrity, Query Languages, Performance Tuning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Ethics, Dashboard Creation, Dashboard, Power BI, Business Intelligence, Interactive Data Visualization, Data Presentation, Data Visualization, Data Visualization Software, Data-Driven Decision-Making, Business Reporting, Business Analytics, Data Analysis Expressions (DAX), Data Security, Ethical Standards And Conduct, Microsoft Power Platform, Data Management, Data Analysis, Performance Analysis, Performance Tuning
★ 4.7 (50) · Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Color Theory, World Music, Disabilities, Art History, Diversity Awareness, Culture, Music History, Social Justice, Performing Arts, Community Organizing, Liberal Arts, Interactive Learning, Peer Review, Cultural Diversity, Aesthetics, Music, Sociology, Creativity, Critical Thinking, Communication
★ 4.6 (357) · Beginner · Specialization · 3 - 6 Months

University of California, Santa Cruz
Skills you'll gain: Systems Design, Model Based Systems Engineering, Simulation and Simulation Software, Cyber Engineering, Mathematical Modeling, Simulations, Network Model, Embedded Systems, Systems Analysis, Computational Logic, Digital Communications, Differential Equations
★ 4.6 (56) · Intermediate · Course · 1 - 4 Weeks

Copenhagen Business School
Skills you'll gain: Social Impact, Social Justice, Community Organizing, Public Policies, Socioeconomics, Liberal Arts, digital literacy, Digital Transformation, Community Development, Policy Development, Culture, Innovation, Creativity, Data Ethics, Diversity Equity and Inclusion Initiatives, Emerging Technologies, Mediation
Beginner · Course · 1 - 3 Months
University of London
Skills you'll gain: Computer Science, Debugging, Development Environment, Computer Systems, Web Applications, Arithmetic, Computer Literacy, General Networking, Javascript, Network Security, Computer Networking, Application Security, Computational Thinking, Computer Programming Tools, Program Development, Applied Mathematics, Computer Programming, General Mathematics, Numerical Analysis, Problem Solving
★ 4.2 (1.6K) · Beginner · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: Product Roadmaps, AI Product Strategy, Technology Roadmaps, Product Strategy, User Story, Product Management, Product Planning, Stakeholder Management, Product Requirements, New Product Development, Stakeholder Engagement, Product Development, Functional Specification, Ideation, Stakeholder Communications, Responsible AI, Requirements Management, Innovation, Market Opportunities, Market Research
★ 4.8 (31) · Beginner · Course · 1 - 3 Months

National Academy of Sports Medicine
Skills you'll gain: Exercise Science, Nutrition and Diet, Nutrition Counseling, Nutritional Assessment, Sports Medicine, Nutrition Education, Physiology, Kinesiology, Endocrinology, Health And Wellness Coaching, Biochemistry, Stress Management, Systems Of Measurement
★ 4.6 (448) · Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: AI Security, Model Context Protocol, AI Integrations, Threat Modeling, Anthropic Claude, LLM Application, Security Architecture Review, Security Testing, Hardening, Tool Calling, Penetration Testing, Security Controls, Prompt Engineering, Exploitation techniques, Systems Architecture, System Configuration, Server Side, Python Programming, Servers, Security Management
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Statistics, Probability & Statistics, Analytics, Exploratory Data Analysis, Estimation, Logistic Regression
Intermediate · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Intellectual Property, Legal Risk, Responsible AI, General Data Protection Regulation (GDPR), Law, Regulation, and Compliance, Regulation and Legal Compliance, Information Privacy, Artificial Intelligence, AI literacy, Civil Law, Ethical Standards And Conduct
★ 4.5 (151) · Beginner · Course · 1 - 4 Weeks