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 Security, Cybersecurity, Data Ethics, Authentications, Data Encryption Standard, Computer Security Awareness Training, Cryptography, Cyber Security Policies, Information Assurance, Cyber Threat Intelligence, Authorization (Computing), Security Controls, Information Privacy, Encryption, Security Awareness, Human Factors (Security), Risk Analysis, Problem Solving, Communication
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Matplotlib, Data Storytelling, Data Presentation, Data Visualization, Plot (Graphics), Scientific Visualization, Data Visualization Software, Scatter Plots, Image Quality, NumPy, Histogram, Image Analysis
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Database Management, Data Migration, Apache Cassandra, Docker (Software), Databases, Operational Databases, Database Application, Application Deployment, Data Import/Export
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Generative AI, Exploratory Data Analysis, Data Ethics, Feature Engineering, Predictive Modeling, AI Enablement, Responsible AI, Data Visualization, Data Science, Data Synthesis, Data Preprocessing, Data Analysis, Data Manipulation, Model Evaluation, Natural Language Processing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization, Data Structures
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Big Data, Analytics, Data Processing, Data Analysis, Data Strategy, Data Storage, Data Management, Data Infrastructure, Unstructured Data, Real Time Data
Mixed · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Portfolio Management, Time Series Analysis and Forecasting, Performance Measurement, Financial Forecasting, Analytics, Financial Trading, Financial Analysis, R Programming, Investment Management, Statistical Analysis, Model Evaluation, Regression Analysis, Risk Analysis, Algorithms
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Calculus, Mathematical Software, Data Analysis, Mathematical Theory & Analysis, Derivatives, Graphing, Algebra
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Data Mining, Logistic Regression, Model Evaluation
Intermediate · Course · 1 - 3 Months
Logical Operations
Skills you'll gain: Power BI, Data Analysis, Business Intelligence Software, Microsoft Excel, Data Visualization Software, Business Intelligence, Data-Driven Decision-Making, Ad Hoc Analysis, Data Storytelling, Microsoft 365, Business Reporting, Data Visualization, Data Analysis Software, Interactive Data Visualization, Data Presentation, Microsoft Office, Microsoft PowerPoint, Data Sharing, Data Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: Google Analytics, Marketing Analytics, Performance Reporting, Looker (Software), Web Analytics and SEO, Customer Analysis, Marketing Strategies, Search Engine Optimization, A/B Testing, Google Ads, Data Storytelling, Smart Goals, Campaign Management, Analytics, Predictive Analytics, Analysis, Data Visualization, Target Audience, Process Improvement and Optimization, Process Optimization
Beginner · Specialization · 3 - 6 Months

Edureka
Skills you'll gain: Microsoft Excel, Data Security
Intermediate · Course · 1 - 3 Months