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.

Skills you'll gain: Professional Networking, Budget Management, Promotions and Campaigns, Digital Marketing, Promotional Strategies, Resilience, Brand Marketing, Strategic Partnership, Growth Strategies, Relationship Building, Brand Awareness, Product Promotion, Brand Strategy, Business Development, Rapport Building, Brand Management, Sustainable Business, Public Relations, Music Performance, Proposal Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Child Development, Human Development, Gerontology, Mental Health Therapies, Psychotherapy, Clinical Psychology, Childhood Education and Development, Pediatrics, Mental Health Diseases and Disorders, Mental Health, Mental Health Counseling, Working With Children, Developmental Disabilities, Psychology, Geriatrics, Behavioral Health, Psychosocial Assessments
★ 4.7 (36) · Beginner · Course · 1 - 4 Weeks

American Council on Exercise
Skills you'll gain: Exercise Science, Nutrition and Diet, Nutrition Education, Kinesiology, Safety Assurance, Health Education, Injury Prevention, Health And Wellness Coaching, Anatomy, Physiology, Coaching, Emergency Response, Goal Setting
★ 4.2 (9) · Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Cloud Development, Cloud Applications, Cloud Computing Architecture, Cloud Computing, Amazon Web Services, Cloud-Based Integration, Cloud Infrastructure, Cloud Services, Machine Learning Software, Embedded Software, Internet Of Things, Linux Servers, Amazon Elastic Compute Cloud, Linux Administration, Software Installation, Embedded Systems, AWS Identity and Access Management (IAM), Command-Line Interface, Flask (Web Framework), Image Analysis
★ 4.6 (43) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Shell Script, Bash (Scripting Language), User Accounts, Linux Administration, Linux, Linux Commands, User Provisioning, Operating System Administration, File Systems, Performance Tuning, Systems Administration, File I/O, Scripting, File Management, Scripting Languages, Data Storage, Authorization (Computing), Command-Line Interface, Data Storage Technologies, Operating Systems
★ 4.7 (10) · Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: CI/CD, Continuous Deployment, Application Deployment, Cloud Deployment, Restful API, Azure DevOps Pipelines, Middleware, Software Testing, API Design, Azure DevOps, Security Controls, Postman API Platform, API Testing
Intermediate · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Data Visualization, Business Analytics, Data Presentation, Analytics, Data Analysis, Big Data, Asset Management, Feasibility Studies, Business Modeling, Intellectual Property, Data Quality, Information Management, Network Model, Predictive Analytics, Data Strategy, Digital Assets, Data-Driven Decision-Making, Data Warehousing, Business Intelligence, Data Science
★ 4.6 (420) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: COBOL (Programming Language), Debugging, z/OS, Unit Testing, Test Driven Development (TDD), Software Testing, Test Tools, Mainframe Computing, Mainframe Technologies, Computer Programming Tools, File I/O
★ 4.4 (133) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Rust (Programming Language), Development Environment, Programming Principles, Data Structures, Memory Management, Integrated Development Environments, System Programming, Software Installation
★ 3.7 (20) · Beginner · Course · 1 - 3 Months

The State University of New York
Skills you'll gain: Emergency Response, Mitigation, Safety and Security, Health Disparities, Hazard Communication (HazCom), Risk Management, Social Determinants Of Health, Community Health, Media and Communications, Public Health, Risk Analysis, Vulnerability, Community Outreach, Persuasive Communication
★ 4.7 (232) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Database Management, Database Architecture and Administration, Apache Hadoop, Database Theory, Query Languages, Database Management Systems, Big Data, Databases, SQL, Data Access, Distributed Computing, Data Processing, Data Integrity, Authorization (Computing), Data Storage Technologies, File Systems, Algorithms
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Trigonometry, Probability, Data Analysis, Probability & Statistics, Statistical Analysis, Advanced Mathematics, Algebra, Probability Distribution, Descriptive Statistics, Mathematical Modeling, Graphing, Applied Mathematics, Statistics, Geometry, Arithmetic
Beginner · Course · 1 - 4 Weeks