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 California, Irvine
Skills you'll gain: Back-End Web Development, System Programming, Debugging, Computer Programming Tools, Data Access
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Biostatistics, Statistical Visualization, Epidemiology, Quantitative Research, Descriptive Statistics, Probability & Statistics, Statistical Methods, Probability Distribution, Statistics, Public Health, Sample Size Determination
Beginner · Course · 1 - 3 Months

Rice University
Skills you'll gain: Java Programming, Java, Data Structures, System Programming, Programming Principles, Debugging, Algorithms, Performance Testing
Intermediate · Course · 1 - 3 Months

University of Amsterdam
Skills you'll gain: Laboratory Experience, Laboratory Techniques, User Feedback, Experimentation, Research
Intermediate · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Email Marketing, Marketing Analytics, Campaign Management, Marketing Automation, Web Analytics, Web Content, Account Management, Dashboard, Customer Data Management, Automation, Content Management, Configuration Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Front-End Web Development, Responsive Web Design, Bootstrap (Front-End Framework), HTML and CSS, User Interface (UI), Web Design, Event-Driven Programming, UI Components, Web Applications, Javascript, jQuery, Animations, Real Time Data
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Promotional Strategies, Marketing Planning, Adobe Express, Marketing Strategy and Techniques, Social Media Content, Cross-Channel Marketing, Content Marketing, Target Audience, Social Media, Digital Marketing, Marketing Analytics, Data Ethics, Marketing Strategies, Social Media Marketing, Content Strategy, Brand Marketing, Market Research, Graphic and Visual Design, Generative AI, Performance Analysis
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), Debugging, Search Engine Optimization, PHP (Scripting Language), jQuery, Hypertext Markup Language (HTML), MySQL, WordPress, Web Applications, Application Programming Interface (API), Web Development, Content Management Systems, Restful API, Javascript, Application Deployment, Cloud Hosting, Program Development, Object Oriented Programming (OOP), Servers, Development Environment
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Medical Privacy, Medical Records, Health Information Management and Medical Records, Record Keeping, Information Privacy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: iOS Development, Swift Programming, Apple iOS, Application Development, Mobile Development, Portfolio Management, User Interface and User Experience (UI/UX) Design, Usability, Application Design, Software Design Patterns, Secure Coding, Object Oriented Programming (OOP), Financial Trading, Software Architecture, Data Visualization Software, Application Lifecycle Management, Data Modeling, UI Components, Programming Principles, Maintainability
Beginner · Specialization · 3 - 6 Months

University of London
Skills you'll gain: Pseudocode, C++ (Programming Language), Object Oriented Programming (OOP), C and C++, File I/O, Object Oriented Design, Integrated Development Environments, Computer Programming, Development Environment, Programming Principles, Debugging, Data Structures, Program Development, Algorithms, Interactive Design, Model Evaluation, Software Engineering, Test Data, Data Validation, Command-Line Interface
Build toward a degree
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Process Mapping, Root Cause Analysis, Lean Six Sigma, Lean Methodologies, Correlation Analysis, Process Improvement, Six Sigma Methodology, Process Analysis, Regression Analysis, Statistical Process Controls, Continuous Improvement Process, Data Collection, Descriptive Statistics, Statistical Hypothesis Testing, Process Optimization, Risk Management, Quality Management, Statistical Analysis, Quality Control, Process Capability
Beginner · Specialization · 3 - 6 Months