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.

Johns Hopkins University
Skills you'll gain: Epidemiology, Infection Control, Infectious Diseases, Risk Analysis, Public Health, Investigation, Public Health and Disease Prevention, Emergency Response, Case Studies, Statistical Analysis, Molecular, Cellular, and Microbiology, Research Methodologies, Statistics, Report Writing
★ 4.8 (778) · Beginner · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Advertising Campaigns, Performance marketing, Online Advertising, Digital Advertising, Google Ads, Advertising, Paid media, Social Media, Media Planning, Pay Per Click Advertising, Social Media Campaigns, Social Media Marketing, Campaign Management, Social Media Strategy, Campaign Planning, Content Performance Analysis, Search Engine Marketing, Contextual Advertising, Social Media Management, Target Audience
★ 4.6 (836) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Plot (Graphics), Matplotlib, Data Visualization, Probability & Statistics, Plotly, Statistical Analysis, Statistical Methods, Data Visualization Software, Statistical Hypothesis Testing, Seaborn, Data Science, Programming Principles, Pandas (Python Package), Statistics, Descriptive Statistics, Data Analysis, NumPy, Probability, Python Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Story, Cloud Infrastructure, Cloud Platforms, Agile Software Development, Scrum (Software Development), Agile Methodology, Cloud Computing, Cloud Computing Architecture, Kanban Principles, DevOps, Backlogs, Cloud Services, Cloud Development, Cloud Deployment, Sprint Retrospectives, Cloud Security, Cloud-Native Computing, Devops Tools, Continuous Integration, CI/CD
★ 4.7 (14K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Clinical Psychology, Mental Health Diseases and Disorders, Mental Health, Psychotherapy, Mental Health Therapies, Psychological Evaluations, Mental and Behavioral Health, Psychiatric Assessments, Psychology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: International Finance, Capital Budgeting, Corporate Finance, General Finance, Finance, Financial Policy, Equities, Financial Market, Corporate Strategy, Financial Management, Return On Investment, Risk Management, Risk Analysis
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Rmarkdown, Ggplot2, R (Software), Plot (Graphics), Data Visualization, Tidyverse (R Package), Statistical Visualization, R Programming, Data Visualization Software, Statistical Programming, Data Manipulation, Data Analysis Software, Statistical Reporting, Data Analysis, Data Validation, Data Transformation, Code Reusability, Software Installation, Programming Principles, Aesthetics
★ 4.2 (49) · Beginner · Course · 1 - 4 Weeks

École Polytechnique
Skills you'll gain: Vibrations, Mechanics, Engineering Analysis, Mathematical Modeling, Structural Analysis, Mechanical Engineering, Applied Mathematics, Engineering, Civil Engineering
★ 4.5 (203) · Intermediate · Course · 1 - 3 Months

Pearson
Skills you'll gain: Writing and Editing, Editing, Writing, Grammar, Vocabulary, Language Competency, English Language
Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Risk Modeling, Risk Management, Mathematical Modeling, Statistical Modeling, Predictive Modeling, Risk Analysis, Simulation and Simulation Software, Statistical Methods, Probability Distribution, Data-Driven Decision-Making, Decision Making, Statistical Hypothesis Testing, Statistical Analysis, Model Optimization, Probability & Statistics, Microsoft Excel, Spreadsheet Software
★ 4.6 (2.2K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Investments, Portfolio Management, Portfolio Risk, Investment Management, Securities (Finance), Real Estate, Financial Analysis, Return On Investment, Equities, Risk Analysis, Property and Real Estate
Beginner · Course · 1 - 4 Weeks

Sapienza University of Rome
Skills you'll gain: Ancient History, Art History, World History, Social Studies, Cultural Diversity, Culture, Liberal Arts
★ 4.5 (167) · Beginner · Course · 1 - 4 Weeks