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 Visualization, Data Visualization Software, Interactive Data Visualization, Visualization (Computer Graphics), User Centered Design, Data Presentation, Usability, Human Centered Design, Data Storytelling, Design Research, User Research, Graphic and Visual Design, Usability Testing, Quantitative Research, Design Elements And Principles
★ 4.6 (44) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Istio, Kubernetes, Cloud-Native Computing, Amazon Web Services, API Gateway, Serverless Computing, Restful API, Cloud Deployment, Microservices, Amazon DynamoDB, Cloud Applications, Redis, Apache Kafka, Data Management, Application Deployment, Database Management, Event-Driven Programming, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: iOS Development, Code Reusability, User Interface (UI), Interactive Design
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: HTML and CSS, Cascading Style Sheets (CSS), Javascript, Responsive Web Design, Web Design and Development, Ajax, Front-End Web Development, Bootstrap (Front-End Framework), Hypertext Markup Language (HTML), Web Design, Web Development, Web Development Tools, Development Environment, JSON, Web Applications, Frontend Performance, Browser Compatibility, Object Oriented Programming (OOP), Event-Driven Programming, User Interface and User Experience (UI/UX) Design
★ 4.7 (17K) · Beginner · Specialization · 1 - 3 Months
Madecraft
Skills you'll gain: Data Visualization, Statistical Visualization, Plot (Graphics), Data Presentation, Descriptive Statistics, Graphing, Scatter Plots, Histogram, Box Plots, Data Literacy, Data Analysis, Exploratory Data Analysis, Analysis, Statistical Analysis, Graphic and Visual Design, Probability Distribution
Beginner · Course · 1 - 3 Months

MathWorks
Skills you'll gain: Data Storytelling, Model Evaluation, Feature Engineering, Data Visualization, Plot (Graphics), Supervised Learning, Dimensionality Reduction, Data Presentation, Data Integration, Scientific Visualization, Statistical Visualization, Data Preprocessing, Interactive Data Visualization, Exploratory Data Analysis, Data Import/Export, Classification Algorithms, Model Training, Technical Communication, Data Analysis, Machine Learning Methods
★ 4.8 (1.1K) · Beginner · Specialization · 3 - 6 Months

Alberta Machine Intelligence Institute
Skills you'll gain: Feature Engineering, Data Preprocessing, Model Evaluation, Data Quality, Model Training, Data Validation, Data Cleansing, Data Ethics, Data Transformation, Model Optimization, Verification And Validation, Applied Machine Learning, Machine Learning, Responsible AI, Machine Learning Algorithms, Algorithms, Python Programming, Computer Programming, Linear Algebra, Statistical Analysis
★ 4.4 (98) · Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Brand Management, Branding, Brand Marketing, Brand Strategy, Brand Awareness, Brand Loyalty, Culture Transformation, Employee Engagement, Marketing Management, Global Marketing, Experience Design, Customer experience strategy (CX), Human Resource Strategy, Human Resources, Strategic Marketing, Organizational Change, Organizational Development, Behavior Management, Customer Engagement, Business Valuation
★ 4.9 (7.9K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: iOS Development, Secure Coding, Encryption, Network Security, Swift Programming, Mobile Security, Application Security, Data Persistence, Data Storage Technologies, Key Management, Data Security, File Systems, Cryptography
Mixed · Course · 1 - 4 Weeks
University of Leeds
Skills you'll gain: General Science and Research, Analytical Skills, Data Science, Technical Communication, Record Keeping, Critical Thinking, Personal Development, Technical Writing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unstructured Data, Data Engineering, Data Cleansing, Responsible AI, Data Processing, Data Quality, Data Governance, Data Lakes, Text Mining, Data Capture, AI Workflows, Data Architecture, Document Management, Taxonomy, Retrieval-Augmented Generation, Metadata Management, Personally Identifiable Information, Information Architecture, Data Collection, Release Management
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Statistical Hypothesis Testing, Sampling (Statistics), Regression Analysis, Bayesian Statistics, Statistical Analysis, Probability & Statistics, Statistical Inference, Statistical Methods, Statistical Modeling, Linear Algebra, Probability, Probability Distribution, R Programming, Biostatistics, Data Analysis, Data Science, Statistics, Mathematical Modeling, Data Modeling, Applied Mathematics
★ 4.4 (800) · Advanced · Specialization · 3 - 6 Months