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.

Lund University
Skills you'll gain: Sustainable Development, Systems Thinking, Sustainable Business, Sustainable Technologies, Sustainability Standards, Policy Development, Environmental Policy, Environment, Environmental Science, Innovation, Natural Resource Management, Climate Change Adaptation, Mathematical Modeling, Climate Change Mitigation, Geospatial Information and Technology
Beginner · Course · 1 - 3 Months

American Psychological Association
Skills you'll gain: Stress Management, Mental Health Diseases and Disorders, Mental Health, Mental Health Therapies, Behavioral Health, Clinical Psychology, Nutrition and Diet, Social Determinants Of Health, Health Promotion, Patient Evaluation, Diagnostic Tests, Health Education, Patient Treatment, Clinical Assessment, Demography
Beginner · Specialization · 3 - 6 Months

Rice University
Skills you'll gain: Physics, Applied Mathematics, Geometry, Engineering Analysis, Advanced Mathematics, Physical Science, Mathematical Modeling, Trigonometry, Calculus, Algebra, Mathematical Theory & Analysis, Problem Solving
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Business Transformation, Site Reliability Engineering, Innovation, Digital Transformation, Serverless Computing, Application Programming Interface (API), Technology Strategies, Hybrid Cloud Computing, Safety Culture, Data Strategy, Organizational Change, Change Management, Cloud Computing, Cloud Infrastructure, Cloud Solutions, Culture Transformation, People Management, Management Training And Development, CI/CD, Service Level
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Sustainable Design, Human Centered Design, Environmental Regulations, Sustainability Standards, Design Thinking, Sustainable Business, Product Development, Product Design, Corporate Sustainability, Product Lifecycle Management, Regulatory Requirements, Design Strategies, Design Research
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Root Cause Analysis, Data Security, Problem Management, Systems Analysis, Site Reliability Engineering, Capacity Management, Resource Management, Identity and Access Management, Role-Based Access Control (RBAC), Compliance Auditing
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Data Import/Export, Data Visualization Software, Cloud Deployment, Data Visualization, Restful API, Data Mapping, Interactive Data Visualization, Histogram, Data Transformation, Amazon Web Services, Data Processing, Apache Kafka, Scalability, Cloud Management, Information Architecture, System Monitoring, Network Monitoring, Application Performance Management, Data Management, Data Structures
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: WordPress, Order Management, Product Assortment, Content Management Systems, E-Commerce, Software Installation, Merchandising, Shipping and Receiving, Sales Tax, Web Applications, Email Automation, Inventory Management System, System Configuration, Payment Processing and Collection
Beginner · Course · 1 - 4 Weeks

Goodwill Industries International
Skills you'll gain: Communication, Client Services, Coaching, Diversity and Inclusion, Professional Development, Workforce Development, Ethical Standards And Conduct, Active Listening, Empathy, Human Centered Design, Relationship Building, Goal Setting, Crisis Intervention
Beginner · Course · 1 - 4 Weeks

University of Copenhagen
Skills you'll gain: Anthropology, Biology, Physical Science, World History, Microbiology, Environment, Ancient History, Biochemistry, Environmental Science, Climate Change Adaptation, Taxonomy, Chemistry, Scientific Methods
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), Web Design, Web Content, Web Design and Development, Web Development, Information Architecture
Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Anomaly Detection, Intrusion Detection and Prevention, Malware Protection, Cyber Threat Hunting, Threat Detection, Network Analysis, AI Security, Applied Machine Learning, Model Evaluation, Network Security, Unsupervised Learning, Performance Testing, Analysis, Classification Algorithms, Microsoft Windows
Intermediate · Course · 1 - 4 Weeks