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 Illinois Urbana-Champaign
Skills you'll gain: Unsupervised Learning, Data Mining, Applied Machine Learning, Machine Learning Algorithms, Model Evaluation, Statistical Methods, Algorithms, Data Structures, Data Visualization
Mixed · Course · 1 - 3 Months

Skills you'll gain: Google Sheets, Spreadsheet Software, Data Import/Export, Data Analysis Software, Data Presentation, Data Analysis, Business Analysis
Beginner · Guided Project · Less Than 2 Hours

University of Zurich
Skills you'll gain: Probability, Probability Distribution, Probability & Statistics, Statistics, Descriptive Statistics, Applied Mathematics, Risk Analysis, Finance
Beginner · Course · 1 - 3 Months

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

Northeastern University
Skills you'll gain: Information Privacy, Personally Identifiable Information, Data Ethics, Law, Regulation, and Compliance, Data Security, Journalism, digital literacy, Emerging Technologies, Media and Communications, Internet Of Things, Algorithms, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Computing Architecture, Data Import/Export, MySQL, AWS Identity and Access Management (IAM)
Intermediate · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Data Governance, Database Management, Database Architecture and Administration, Data Management, Data Warehousing, Database Design, SQL, Transaction Processing, Stored Procedure, Data Security, Disaster Recovery, Encryption, Server Side, Data Encryption Standard, Data Integrity
Build toward a degree
Mixed · Course · 1 - 3 Months

Skills you'll gain: Cyber Threat Hunting, Cyber Threat Intelligence, Threat Modeling, Penetration Testing, Threat Detection, MITRE ATT&CK Framework, Cryptography, Security Testing, Application Security, Encryption, Cybersecurity, Vulnerability Scanning, AI Security, Vulnerability Assessments, Exploitation techniques, Test Planning
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Quality Assurance, Compliance Reporting, Data Quality, Performance Reporting, Trend Analysis, Data Validation, Configuration Management, Data Integrity, Data Capture, Workflow Management, Continuous Monitoring
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Data Storytelling, Data Visualization, Storytelling, Financial Data, Data Visualization Software, Financial Acumen, Finance, Verbal Communication Skills, Presentations, Communication, Plotly, Data Flow Diagrams (DFDs), Matplotlib, Analysis, Seaborn, Customer Engagement
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Business Intelligence, Looker (Software), Data Visualization, Data Presentation, Data Visualization Software, Data Literacy, Dashboard, Data Storytelling, Power BI, Business Analytics, Histogram, Data Analysis, Business Marketing, Trend Analysis
Intermediate · Course · 1 - 4 Weeks

University of Leeds
Skills you'll gain: Exploratory Data Analysis, Data Cleansing, Statistical Methods, Statistical Modeling, Data Visualization, Statistics, R (Software), Data Analysis, Descriptive Statistics, Data Preprocessing, Box Plots, Data Visualization Software, Histogram, Probability, Probability Distribution
Intermediate · Course · 1 - 4 Weeks