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.

Scrimba
Skills you'll gain: Prompt Engineering, Responsible AI, OpenAI API, Generative AI, Data Ethics, AI Security, ChatGPT, Artificial Intelligence, Application Programming Interface (API), Computer Programming, Key Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, Exploratory Data Analysis, Data Analysis, Classification Algorithms, Data Preprocessing, Scikit Learn (Machine Learning Library), Predictive Modeling, Matplotlib, Pandas (Python Package), Applied Machine Learning, Data Visualization Software, Machine Learning
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: TypeScript, Object Oriented Programming (OOP), Software Design Patterns, Software Design, Programming Principles, Data Structures, Web Development Tools, JSON
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Email Marketing, Campaign Management, Copywriting, Marketing Strategy and Techniques, Email Automation, Personally Identifiable Information, Digital Marketing, Marketing Automation, Newsletters, HubSpot CRM, Marketing Analytics, Promotional Strategies, Data Ethics, A/B Testing, Smart Goals, Customer Retention, Key Performance Indicators (KPIs), Goal Setting
Beginner · Course · 1 - 3 Months

Skills you'll gain: Marketing Analytics, Bayesian Statistics, Descriptive Statistics, Marketing Effectiveness, Statistical Hypothesis Testing, A/B Testing, Target Audience, Marketing Strategies, Statistical Inference, Sampling (Statistics), Data Collection, Data Modeling, Statistics, Advertising Campaigns, Campaign Management, Data Presentation, Marketing, Analytics, Performance marketing, Web Analytics
Intermediate · Specialization · 3 - 6 Months

University of California, Santa Barbara
Skills you'll gain: Legal Risk, Governance, Commercial Laws, Contract Review, Vendor Contracts, Contract Negotiation, Organizational Structure, Business Risk Management, Contract Management, Tax, Corporate Strategy, Business Ethics, Business, Strategic Partnership, Corporate Tax, Law, Regulation, and Compliance, Business Administration, Financial Analysis, Corporate Finance, Case Studies
Beginner · Specialization · 1 - 3 Months

University at Buffalo
Skills you'll gain: Electrical Systems, Electrical Power, Basic Electrical Systems, HVAC, Energy and Utilities, Semiconductors, Cost Benefit Analysis, Sustainable Technologies, Return On Investment, System Configuration
Beginner · Course · 1 - 3 Months

Sapienza University of Rome
Skills you'll gain: Ancient History, World History, Art History, Social Sciences, Anthropology, Water Resources, European History, Cultural Diversity, Sociology, Economics
Beginner · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Spatial Analysis, Geographic Information Systems, Geospatial Mapping, Spatial Data Analysis, Augmented Reality, Data Visualization Software, Data Mapping, Color Theory, Database Management
Beginner · Course · 1 - 3 Months
The Hong Kong University of Science and Technology
Skills you'll gain: Structural Analysis, Mechanics, Engineering Calculations, Mechanical Engineering, Civil Engineering, Engineering Analysis, Engineering Drawings, Geometry, Algebra, Applied Mathematics
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Oncology, Medical Imaging, Patient Education And Counseling, Diagnostic Radiology, Radiation Therapy, Molecular Biology, Diagnostic Tests, Clinical Trials, Pain Management, Preventative Care, Treatment Planning, Urology, Patient Treatment, Immunology, Epidemiology, Surgery, Cell Biology, Care Management, Biology, Pathology
Beginner · Specialization · 3 - 6 Months

Arizona State University
Skills you'll gain: Digital pedagogy, Train The Trainer
Mixed · Course · 1 - 3 Months