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.

Skills you'll gain: Data Preprocessing, Data Visualization, Logistic Regression, Feature Engineering, Data Cleansing, Predictive Modeling, Scikit Learn (Machine Learning Library), Data Science, Classification And Regression Tree (CART), Applied Machine Learning, Regression Analysis, Supervised Learning, Machine Learning, Human Resources, Employee Retention, Machine Learning Algorithms
Beginner · Guided Project · Less Than 2 Hours

Alex Genadinik
Skills you'll gain: Generative AI Agents, Blogs, Search Engine Optimization, Email Automation, Sales Strategy, Advertising, Marketing Channel, Inside Sales, AI Orchestration, Online Advertising, Marketing, Performance marketing, Product Promotion, Content Marketing, Marketing Strategies, AI Workflows, Entrepreneurship, Web Analytics, New Business Development, Agentic systems
Beginner · Specialization · 3 - 6 Months
IE Business School
Skills you'll gain: Brand Strategy, Branding, Production Planning, Content Marketing, Advertising Campaigns, Storytelling, Content Creation, Customer experience strategy (CX), Brand Awareness, Logo Design, Brand Management, Advertising, Marketing Design, Creative Design, Marketing Communications, Business Ethics, Journalism, Behavioral Economics, Creativity, Communication
Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Diagram Design, Technical Documentation, Technical Drawing, Software Design Documents, Unified Modeling Language, Technical Communication, Data Flow Diagrams (DFDs), Document Management, Style Guides, Image Quality, File Management, Software Versioning, Graphic and Visual Design, Web Content Accessibility Guidelines, Version Control, Typography
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Virtual Machines, Debugging, Application Development, Development Environment, Software Installation, Python Programming, Programming Principles, Computer Programming, Software Development
Mixed · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Goal Setting, Interviewing Skills, Professional Networking, Artificial Intelligence and Machine Learning (AI/ML), Negotiation, Workforce Planning, Professional Development, LinkedIn, Artificial Intelligence, Machine Learning, Productivity, Talent Sourcing, Compensation and Benefits, Data Science, Data Analysis, Recruitment, Data Architecture, Presentations, Technical Management, Big Data
Beginner · Specialization · 1 - 3 Months

Northwestern University
Skills you'll gain: Social Media, Social Media Marketing, Target Audience, Social Media Strategy, Digital Transformation, Professional Networking, Marketing Strategies, Social Network Analysis, Market Analysis, Real Time Data
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: R Programming, Arithmetic, Statistical Programming, Development Environment, Programming Principles, Data Import/Export
Beginner · Guided Project · Less Than 2 Hours

Universidad de los Andes
Skills you'll gain: Human Development, Diversity Awareness, Health Education, Cultural Sensitivity, Psychology, Sociology, Childhood Education and Development, Interpersonal Communications, Biology
Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Financial Statements, Financial Statement Analysis, Financial Analysis, Financial Acumen, Finance, Cash Flows, Balance Sheet, Income Statement, Investment Management, Return On Investment, Corporate Finance, Financial Management, Organizational Structure, Business, Business Management, Leadership and Management
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Amazon S3, Amazon Elastic Compute Cloud, Amazon Web Services, Cloud Infrastructure, Cloud Management, Cloud Storage, Data Storage Technologies, Cloud Hosting, Virtual Networking, Hybrid Cloud Computing, Private Cloud, Network Routing, Network Infrastructure
Advanced · Course · 1 - 3 Months

Wesleyan University
Skills you'll gain: Psychiatry, Clinical Psychology, Mental Health Diseases and Disorders, Pharmacology, Psychiatric Assessments, Psychotherapy, Psychology, Mental Health Therapies, Patient Evaluation, Neurology, Scientific Methods, Magnetic Resonance Imaging, Medical History Documentation, Medical Imaging
Intermediate · Course · 1 - 3 Months