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.

Coursera
Skills you'll gain: Query Languages, Relational Databases, Performance Tuning, Prompt Engineering, Retrieval-Augmented Generation, LangChain, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Google Ads, Search Engine Optimization, Digital Marketing, Keyword Research, Target Audience, Search Engine Marketing, Pay Per Click Advertising, Persona Development, Marketing, Marketing Strategies, Advertising, Customer Engagement, Web Analytics
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Matplotlib, Web Scraping, Pivot Tables And Charts, Pandas (Python Package), Data Integration, Statistical Visualization, Data Manipulation, Exploratory Data Analysis, Data Wrangling, Data Visualization, Data Transformation, Data Cleansing, Data Preprocessing, Data Presentation, Plot (Graphics), Data Visualization Software, Statistical Analysis, Seaborn, NumPy, Python Programming
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Database Design, SQL, Database Management Systems, NoSQL, Relational Databases, Data Warehousing, Database Theory, Database Architecture and Administration, Database Administration, Databases, Database Systems, Database Management, Data Modeling, Query Languages, Big Data, Database Application, Data Integrity, Data Access, Data Science, Data Analysis
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Quantitative Research, Scatter Plots, R Programming, Statistical Visualization, Correlation Analysis, Descriptive Statistics, Statistical Analysis, Data Analysis, Data Visualization, Statistics, Exploratory Data Analysis, Data Import/Export, Data Structures
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: HTML and CSS, Cascading Style Sheets (CSS), Ajax, Javascript, Responsive Web Design, Front-End Web Development, Web Design, Bootstrap (Front-End Framework), Web Development, Development Environment, Web Development Tools, Web Design and Development, JSON, Web Applications, Web Content Accessibility Guidelines, Scripting, Browser Compatibility, Hypertext Markup Language (HTML), Object Oriented Programming (OOP), Event-Driven Programming
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Plotly, Exploratory Data Analysis, Scatter Plots, Plot (Graphics), Data Visualization, Data Visualization Software, Interactive Data Visualization, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Rmarkdown, Shiny (R Package), Ggplot2, Tidyverse (R Package), Data Visualization, Spatial Data Analysis, Statistical Visualization, Scatter Plots, Plot (Graphics), Dashboard, Data Import/Export, Interactive Data Visualization, R Programming, Data Visualization Software, Geospatial Information and Technology, Data Literacy, Statistical Reporting, Storyboarding, Data Science, Data Analysis
Beginner · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Excel Macros, Microsoft Excel, Data Transformation, Data Import/Export, File I/O, Data Wrangling, Extensible Markup Language (XML), Data Manipulation, Data Cleansing, Spreadsheet Software, Visual Basic (Programming Language), File Management, Automation, Microsoft Office, Microsoft 365, Data Science, Query Languages, Debugging, Performance Improvement, Computer Programming
Mixed · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Data Integration, Health Informatics, Data Dictionary, Health Systems, Metadata Management, Health Care, Data Mapping, Healthcare Industry Knowledge, Value-Based Care, Health Information Management, Taxonomy, Care Coordination, Data Literacy, Clinical Data Management, ICD Coding (ICD-9/ICD-10), Data Quality, Medical Terminology, Big Data, Interoperability, Data Storage
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Marketing Analytics, Classification And Regression Tree (CART), Probability & Statistics, AI Personalization, Statistical Software, Statistical Methods, Regression Analysis, Model Evaluation, Data-Driven Decision-Making, Data Ethics, Unsupervised Learning, Statistical Modeling, Data Visualization, Customer Analysis, Statistical Analysis, Predictive Analytics, Anomaly Detection, Advanced Analytics, Bayesian Network, Machine Learning
Intermediate · Specialization · 3 - 6 Months

MathWorks
Skills you'll gain: Data Visualization, Interactive Data Visualization, Data Import/Export, Technical Communication, Data Analysis, Exploratory Data Analysis, Data Visualization Software, Data Cleansing, Matlab, Statistical Analysis, Probability & Statistics, Descriptive Statistics, Data Manipulation, Data Mapping, Scripting
Beginner · Course · 1 - 3 Months