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 Leeds
Skills you'll gain: Test Case, Software Testing, Software Quality Assurance, Quality Assurance, User Acceptance Testing (UAT), Test Planning, Verification And Validation, Acceptance Testing, System Testing, White-Box Testing, Unit Testing, Functional Testing, Integration Testing, Software Development Life Cycle, Software Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Integration, Microsoft Azure, Cloud Storage, Disaster Recovery, Data Architecture, Database Design, Data Infrastructure, Data Storage, Cloud Security, NoSQL, Encryption, Relational Databases, Scalability, Performance Tuning, Database Management, Identity and Access Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Azure Synapse Analytics, Microsoft Azure, Data Lakes, Databricks, Data Pipelines, Data Architecture, Apache Spark, Data Storage Technologies, Big Data, Cloud Storage, Data Infrastructure, Data Storage, Data Processing, Microsoft SQL Servers, Data Integration, Event-Driven Programming, Extract, Transform, Load, Operational Databases, Real Time Data, System Monitoring
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Pandas (Python Package), NumPy, Data Analysis, Data Science, Python Programming, Data Structures, Exploratory Data Analysis, Data Manipulation, Computer Programming
Beginner · Guided Project · Less Than 2 Hours

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

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

University of Illinois Urbana-Champaign
Skills you'll gain: Health Informatics, Deep Learning, Machine Learning, Health Care, Artificial Neural Networks, Applied Machine Learning, Supervised Learning, Model Evaluation, Healthcare Project Management, Medical Science and Research, Unsupervised Learning, Convolutional Neural Networks, Program Development
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Data Import/Export, Microsoft Visual Studio, Microsoft Excel, R Programming, Data Processing, Data Cleansing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Airflow, Data Pipelines, Scalability, Feature Engineering, Extract, Transform, Load, Workflow Management, AI Workflows, Data Integration, Database Design, Data Modeling, Data Architecture, Data Quality, Data Storage
Intermediate · Course · 1 - 4 Weeks

Wesleyan University
Skills you'll gain: Classification And Regression Tree (CART), Decision Tree Learning, Model Evaluation, Random Forest Algorithm, Applied Machine Learning, Predictive Analytics, Unsupervised Learning, Machine Learning Algorithms, Machine Learning, Data Analysis, Data Mining, Feature Engineering, Exploratory Data Analysis, Regression Analysis, Statistical Analysis, Python Programming
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Modeling, Power BI, Data Manipulation, Data Literacy, Database Design, Data Transformation, Data Integration, Star Schema, Data Cleansing, Relationship Building
Beginner · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Data Pipelines, Agentic systems, Data Ethics, Responsible AI, Real Time Data, Model Deployment, Model Evaluation, Data Processing, Data Analysis, No-Code Development, AI Workflows, Artificial Intelligence, Data Collection, Machine Learning, Information Privacy
Intermediate · Course · 1 - 3 Months