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.

Johns Hopkins University
Skills you'll gain: Program Evaluation, Health Equity, Quantitative Research, Data Analysis, Statistical Analysis, Analysis, Statistical Reporting, Data Collection, Sampling (Statistics), Public Health and Disease Prevention, Regression Analysis, Maternal Health, Data Quality
Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Version Control, Integrated Development Environments, GitHub, Git (Version Control System), Internet Of Things, Software Development Tools, Embedded Systems, Prototyping, Linux, Operating Systems, Peripheral Devices, Command-Line Interface, Computer Hardware
Mixed · Course · 1 - 3 Months

Skills you'll gain: Shell Script, Package and Software Management, Linux Administration, Linux Commands, Unix Shell, Systems Administration, Hardening, Unix Commands, Patch Management, Scripting, System Monitoring, User Accounts, Dynamic Host Configuration Protocol (DHCP), System Configuration, OS Process Management, Firewall, Process Management
Advanced · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Lean Six Sigma, Six Sigma Methodology, Lean Methodologies, Process Improvement, Organizational Development, Change Management, Continuous Improvement Process, Business Strategy, Quality Management, Benchmarking, Leadership and Management, Performance Measurement, Business Metrics, Return On Investment
Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Apple iOS, Apple Xcode, iOS Development, Core Data (Software), Secure Coding, Application Deployment, Scalability, Swift Programming, Performance Tuning, Application Security, Debugging, Application Performance Management, Application Programming Interface (API), Performance Testing, Encryption, JSON
Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Financial Statement Analysis, Financial Statements, Financial Analysis, Financial Reporting, Analysis, Critical Thinking, Financial Forecasting, Balance Sheet, Accounting, Forecasting, Income Statement, Annual Reports, Securities (Finance), Business Valuation, Generally Accepted Accounting Principles (GAAP), Cash Flows
Intermediate · Course · 1 - 4 Weeks
Johns Hopkins University
Skills you'll gain: Epidemiology, Infectious Diseases, Public Health, Program Management, Model Evaluation, Performance Testing, Data Management, Decision Support Systems
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: QuickBooks (Accounting Software), Vendor Management, Inventory and Warehousing, Accounting Software, Customer Data Management, Financial Analysis, Billing & Invoicing, Sales Management, Financial Reporting, Expense Management, Payroll, Accounts Payable, Bookkeeping, Cash Flows, Accounts Receivable
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: NoSQL, Data Warehousing, Database Management Systems, Database Architecture and Administration, Database Administration, Databases, Relational Databases, Database Design, Big Data, Data Processing, Transaction Processing, Data Security, Scalability
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Research, Internet Of Things, Usability Testing, Prototyping, Design Thinking, Ideation, Automation, Advanced Analytics, User Experience Design, Big Data, User Centered Design, IT Security Architecture, Interaction Design, Data-Driven Decision-Making, Human Centered Design, Data Management, Robotics, Control Systems, Hardware Architecture, Manufacturing Processes
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: File I/O, Command-Line Interface, Operating Systems, Python Programming, File Management, Scripting, User Interface (UI), Data Import/Export, Data Structures, Simulations
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Ruby (Programming Language), Object Oriented Programming (OOP), Debugging, Development Environment, Integrated Development Environments, Computer Programming, Programming Principles, Apple Xcode, Software Installation, Microsoft Windows, Command-Line Interface
Beginner · Course · 1 - 3 Months