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.

Peking University
Skills you'll gain: Pediatric Nursing, Infant Care, Pediatrics, Child Health, Neonatal Intensive Care Unit, Nutrition and Diet, Nursing Care, Working With Children, Preventative Care, Public Health and Disease Prevention, Toileting, Infectious Diseases, Dental Care, Respiratory Care, Immunology, First Aid
Intermediate · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Mathematical Modeling, Epidemiology, Infectious Diseases, Model Evaluation, Simulations, Statistical Modeling, Predictive Modeling, Data Modeling, R Programming, Statistical Methods, Public Health, Probability Distribution
Intermediate · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Neurology, Anatomy, Mindfulness, Physiology, Human Learning, Biology, Psychology, Experimentation
Mixed · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Clinical Psychology, Mental Health Diseases and Disorders, Psychiatry, Psychological Evaluations, Mental Health, Mental and Behavioral Health, Patient Evaluation, Behavioral Health, Cognitive Behavioral Therapy, Cultural Diversity, Patient Treatment
Beginner · Course · 1 - 3 Months

Skills you'll gain: Jira (Software), Configuration Management, Issue Tracking, Project Management Software, Stakeholder Communications, System Configuration, Governance, Project Coordination, Dashboard, Stakeholder Management, Kanban Principles, Process Improvement, Organizational Skills
Beginner · Course · 1 - 4 Weeks

Sungkyunkwan University
Skills you'll gain: Culture, Cultural Diversity, Intercultural Competence, Liberal Arts, Language Learning, Research
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Social Sciences, Research, Sociology, Ethical Standards And Conduct, Laboratory Experience, Health Care, Food and Beverage, Social Impact, Environmental Issue, Biology, Nutrition and Diet, Sports Medicine
Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Mechanics, Physics, Mechanical Engineering, Engineering Calculations, Calculus, Engineering Analysis, Physical Science, Mathematical Modeling, Problem Solving
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI Agents, Large Language Modeling, OpenAI, AI Workflows, Prompt Engineering, Document Management, Vector Databases, Software Installation
Intermediate · Course · 1 - 3 Months

CertNexus
Skills you'll gain: Threat Modeling, Cybersecurity, Cyber Threat Intelligence, Threat Management, Information Systems Security, Threat Detection, Security Management, Cyber Risk, Security Strategy, Cyber Security Strategy, Risk Analysis, Computer Security, Risk Mitigation, Risk Management, Network Security, Risk Management Framework, Enterprise Risk Management (ERM), Risk Appetite, Trend Analysis, Technical Documentation
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Employee Retention, Talent Pipelining, Succession Planning, Workplace inclusivity, Performance Appraisal, Human Resource Strategy, Prompt Engineering, Mediation, Human Resources, Responsible AI, Employee Engagement, Generative AI Agents, AI Enablement, Human Resources Information System (HRIS), HR Tech, Payroll, Performance Review, Management Training And Development, Generative AI, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Specialization · 3 - 6 Months

University of London
Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Human Computer Interaction, Interaction Design, jQuery, Web Design and Development, Bootstrap (Front-End Framework), Hypertext Markup Language (HTML), User Experience Design, User Accounts, MongoDB, Wireframing, Web Applications, Full-Stack Web Development, Interactive Data Visualization, Application Design, JavaScript Frameworks, Web Development Tools, Javascript
Beginner · Specialization · 3 - 6 Months