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.

The University of Edinburgh
Skills you'll gain: Applied Behavior Analysis, Scientific Methods, Safety Assurance, Behavior Management, Stress Management, Empathy & Emotional Intelligence, Ethical Standards And Conduct, Healthcare Ethics, General Science and Research, Environmental Issue, Nutrition and Diet
Mixed · Course · 1 - 3 Months

Skills you'll gain: JSON, Application Programming Interface (API), Application Development, Data Access, Restful API, Python Programming, User Interface (UI)
Intermediate · Guided Project · Less Than 2 Hours

AI CERTs
Skills you'll gain: Agentic systems, Responsible AI, Data Pipelines, Law, Regulation, and Compliance, Data Ethics, Model Evaluation, Information Privacy, Data Processing, AI Workflows, Data Analysis, No-Code Development, Analytical Skills, Machine Learning, Artificial Intelligence, Real Time Data, Ethical Standards And Conduct, Machine Learning Algorithms, Data Collection
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Jupyter, Computer Programming Tools, Data Visualization Software, Data Science, GitHub, R (Software), Big Data, R Programming, Model Deployment, Application Programming Interface (API), Machine Learning, Cloud Computing, Git (Version Control System), Other Programming Languages, Version Control, Python Programming, Open Source Technology
Beginner · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Data Storytelling, Prompt Engineering, Data Presentation, ChatGPT, Prompt Patterns, Data Synthesis, Microsoft Excel, LLM Application, Productivity, Infographics, OpenAI, Document Management, AI Enablement, Data Analysis, SQL, Generative AI, Artificial Intelligence, Data Visualization, Data Cleansing, Databases
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Network Security, Network Troubleshooting, Software-Defined Networking, Network Monitoring, Threat Modeling, Virtual Networking, TCP/IP, Network Architecture, Computer Networking, Network Performance Management, Network Protocols, General Networking, Cybersecurity, Network Infrastructure, Local Area Networks, Network Analysis, OSI Models, Network Switches
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Preprocessing, Data Integration
Intermediate · Course · 1 - 3 Months

Skills you'll gain: API Design, Back-End Web Development, Secure Coding, Data Security, Application Programming Interface (API), Restful API, IT Infrastructure, Application Security, Infrastructure Security, Data Integrity, Servers, Server Administration, Web Servers, Encryption, Authentications
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Visualization Software, Data Literacy, Storyboarding, Statistical Visualization, Data Storytelling, Data Manipulation, Data Presentation, Ggplot2, Statistical Reporting, Dashboard, Data Synthesis, Data Analysis, Data Cleansing, R Programming, Tidyverse (R Package), Data Preprocessing, Data Transformation, Data Import/Export, Graphing
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Snowflake Schema, Data Pipelines, Apache Airflow, Data Security, Data Governance, Extract, Transform, Load, Apache Kafka, Performance Tuning, Data Warehousing, Amazon S3, Amazon Web Services, Real Time Data, SQL
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Data Presentation, Data Storytelling, Presentations, Data Cleansing, Data Visualization, Rmarkdown, Data-Driven Decision-Making, Data Validation, Data Ethics, Interactive Data Visualization, Dashboard, Spreadsheet Software, Ggplot2, Google Sheets, SQL, Data Literacy, Data Collection, Data Analysis, Sampling (Statistics), Data Processing
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Power BI, Dashboard, Interactive Data Visualization, Data Analysis Expressions (DAX), Business Reporting, Data Governance, Data Modeling, Data Transformation, Data Management, Data Manipulation, Role-Based Access Control (RBAC), Data Security, Data Cleansing
Advanced · Course · 1 - 4 Weeks