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.

University of Colorado Boulder
Skills you'll gain: Data Presentation, Technical Communication, Statistical Reporting, Data Storytelling, Data Science, Data Literacy, Data Analysis, Analysis, Applied Mathematics, Statistics, Computer Science
★ 4.3 (40) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Infrastructure Architecture, Metadata Management
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Cloud Platform, Cloud Storage, Query Languages, Data Import/Export, Analytics, Data Science, Data Analysis
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Data Warehousing, MongoDB, IBM Cognos Analytics, Extract, Transform, Load, NoSQL, Apache Spark, IBM DB2, Big Data, Dashboard Creation, Data Integration, Dashboard, Business Intelligence, Database Architecture and Administration, PySpark, Data Pipelines, Analytics, Databases, Relational Databases, SQL, Python Programming
★ 4.7 (143) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Technical Analysis, No-Code Development, Market Data, Data Visualization, Financial Trading, Product Automation, User Accounts, Financial Data, Back-End Web Development, Securities Trading, Data Visualization Software, Authentications, Data Integration, Market Trend, AI Integrations, Security Management, Front-End Web Development
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Data Cleansing, Data Quality, Data Wrangling, Data Transformation, Data Validation, Data Manipulation, Data Analysis, SQL, Big Data
★ 4.1 (7) · Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Linear Algebra, Integral Calculus, Algebra, Numerical Analysis, Calculus, Applied Mathematics, Data Science, Graphing, General Mathematics, Data Analysis, Statistical Methods, Mathematical Theory & Analysis, Derivatives, Probability & Statistics
★ 4.5 (484) · Intermediate · Specialization · 3 - 6 Months

Illinois Tech
Skills you'll gain: NoSQL, Big Data, Apache Hadoop, Apache Spark, Data Infrastructure, Real Time Data, Apache Kafka, Data Management, Apache Cassandra, Apache Hive, Data Lakes, Data Storage Technologies, MongoDB, Databases, Data Ethics, Data Architecture, Database Management Systems, Distributed Computing, Data Processing, Cloud Computing
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Tidyverse (R Package), Ggplot2, Spatial Data Analysis, Data Visualization Software, Plot (Graphics), Data Visualization, Statistical Visualization, Spatial Analysis, Geospatial Information and Technology, Data Manipulation, Scatter Plots, R (Software), Plotly, Interactive Data Visualization, R Programming, Geospatial Mapping, Statistical Reporting, Data Wrangling, Graphing
★ 4.9 (81) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: AWS SageMaker, AI Integrations, Amazon Web Services, AI Security, AI Enablement, DevOps, IT Automation, Devops Tools, AI Workflows, AWS CloudFormation, AI literacy, Vulnerability Scanning, Artificial Intelligence, Secure Coding, Generative AI Agents, Generative AI, Application Security, Responsible AI, Extract, Transform, Load, Building Codes
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: SQL, Relational Databases, Microsoft SQL Servers, MySQL, Query Languages, Database Systems, Databases, Database Design, Database Management, Stored Procedure, IBM DB2, Database Development, Data Manipulation, Data Analysis, Transaction Processing
★ 4.7 (712) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Statistical Visualization, Data Visualization Software, Data Visualization, Data Presentation, STATA (Software), Scatter Plots, Plot (Graphics), Box Plots, Exploratory Data Analysis, Histogram, Descriptive Statistics, Heat Maps, Graphing, Probability Distribution
Intermediate · Course · 1 - 3 Months