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: Rmarkdown, Version Control, Data Science, R (Software), Git (Version Control System), GitHub, Software Versioning, Data Literacy, General Science and Research, Data Analysis, R Programming, Development Environment, Statistical Reporting, Software Installation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Validation, Data Quality, SQL, Data Integrity, Verification And Validation, Unit Testing
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: SQL, Database Management, Query Languages, Data Analysis, Performance Tuning, Analytical Skills, Data Manipulation, Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Validation, Pivot Tables And Charts, Dashboard, Microsoft Excel, Dashboard Creation, Financial Data, Data Cleansing, Case Studies, Data Transformation, Data Quality, Data Integrity, Spreadsheet Software, Data Wrangling, Data Management, Data Manipulation, Data Integration, Financial Analysis, Data Import/Export, Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Pipelines, Data Warehousing, SQL, Data Integration, Google Cloud Platform, Data Processing, Data Quality, Data Validation, Apache Spark, Generative AI, Data Import/Export, Data Manipulation, Applied Machine Learning, Big Data, Serverless Computing, Machine Learning Methods, Model Evaluation, Machine Learning, Exploratory Data Analysis, Time Series Analysis and Forecasting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Ethics, Data Quality, Data Sharing, Information Privacy, Data Analysis, Data Access, Informed Consent
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Looker (Software), Dashboard, Dashboard Creation, Data Manipulation, Data Visualization Software, Data Presentation, Exploratory Data Analysis, Data Management, Google Cloud Platform, Network Analysis
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Amazon Redshift, AWS SageMaker, AWS Kinesis, Data Pipelines, Apache Spark, Amazon Web Services, Big Data, Apache Hive, Kibana, Data Warehousing, Data Processing, Model Deployment, Data Migration, Extract, Transform, Load, Real Time Data, Ad Hoc Analysis, Data Transformation, Cloud Computing, Machine Learning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Cleansing, Financial Data, Microsoft Excel, Excel Formulas, Workflow Management, Data Transformation, Automation, Financial Reporting, Data Import/Export
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Ggplot2, Plot (Graphics), Tidyverse (R Package), Data Visualization, Statistical Visualization, Data Analysis, Exploratory Data Analysis, R Programming, Data Visualization Software, Data Wrangling, Data Manipulation, R (Software)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, AI Orchestration, AI Workflows, LangGraph, Agentic Workflows, LangChain, Retrieval-Augmented Generation, LLM Application, Prompt Patterns, Tool Calling, Agentic systems, Multimodal Prompts, Model Context Protocol, Generative AI Agents, Generative AI, AI Security, Vector Databases, AI Integrations, OpenAI API, Software Development
Advanced · Professional Certificate · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Statistical Hypothesis Testing, Statistical Methods, Probability & Statistics, Data Ethics, Statistical Analysis, Statistical Inference, Statistics, Sample Size Determination, Sampling (Statistics), Probability Distribution
Build toward a degree
Intermediate · Course · 1 - 3 Months