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.

Harvard Business Review
Skills you'll gain: Constructive Feedback, Talent Management, Employee Retention, Employee Coaching, Talent Acquisition, Workforce Development, Adaptability, Human Resources Management and Planning, Employee Engagement, Recruitment, Training and Development, Employee Performance Management, Coaching, Diversity and Inclusion, Professional Development, Interviewing Skills, Active Listening
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Security Requirements Analysis, Network Architecture, Network Security, Internet Of Things, Cybersecurity, Web Services, Encryption, Embedded Systems, Network Protocols, Public Key Cryptography Standards (PKCS), Simple Object Access Protocol (SOAP), TCP/IP, Restful API, Information Privacy
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Bitbucket, Git (Version Control System), Version Control, Collaborative Software, Code Review, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Dental Care, Patient Evaluation, Dentistry, Dental Informatics, Dental Procedures, Oral Health, Dental Hygiene, Periodontology, Oral and Dental Care, Oral Cancer Screening, Cardiology, Disabilities, Pain Management, General Medicine, Biomedical Technology, Biomedical Engineering, Endocrinology, Medical History Documentation, Oncology, Anatomy
Intermediate · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Generative AI, AI Enablement, Automation, Human Resources, Workforce Management, Artificial Intelligence, Responsible AI, Workforce Planning, Socioeconomics, digital literacy, Data Ethics, Leadership and Management, Change Management
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Linux, Linux Administration, Operating System Administration, Linux Commands, User Accounts, Command-Line Interface, Systems Administration, Operating Systems, User Provisioning, Service Management, System Configuration, System Monitoring, Graphical Tools, File Management
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Access, Build Tools, Change Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Test Planning, Test Driven Development (TDD), Release Management, Software Testing, Behavior-Driven Development, Business Continuity Planning, Risk Management, System Testing, Application Deployment, Software Quality Assurance, Software Development Life Cycle, CI/CD, Data Validation, Systems Analysis, Systems Thinking, Data Modeling, Product Lifecycle Management, Business Process Automation, Digital Transformation, Process Flow Diagrams
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Git (Version Control System), GitHub, Version Control, Devops Tools, Collaborative Software, Software Configuration Management, Software Development Tools, Unix Shell, Command-Line Interface, Secure Coding
Intermediate · Course · 1 - 3 Months

University of Alberta
Skills you'll gain: Social Justice, Performing Arts, Diversity Awareness, World History, World Music, Cultural Diversity, Public History, Liberal Arts, Sociology, Music
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Real Estate, Investments, Financial Industry Regulatory Authorities, Compliance Reporting, Property and Real Estate, Risk Management, Asset Management, Financial Regulations, Securities (Finance), Law, Regulation, and Compliance, Investment Management, Private Equity, Financial Services, Financial Regulation, Regulatory Requirements, Tax Laws, Tax Planning, Due Diligence, Tax, Financial Market
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Information Systems Security, Risk Management, Continuous Monitoring, Information Assurance, Cyber Governance, Governance, Cybersecurity, Security Controls, Business Risk Management, ISO/IEC 27001, Threat Modeling, Risk Analysis, Threat Management, Vulnerability Assessments, Regulatory Compliance, System Monitoring, Information Systems, Asset Management, Intellectual Property
Advanced · Course · 1 - 4 Weeks