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.

National Academy of Sports Medicine
Skills you'll gain: Nutritional Assessment, Meal Planning And Preparation, Nutrition and Diet, Nutrition Education, Pharmacology, Exercise Science, Critical Thinking, Sports Medicine, Pharmaceuticals, Contraindication, Food Quality Assurance And Control, Food and Beverage, Physiology, Decision Making, Health Promotion, Preventative Care, Regulatory Compliance, Science and Research, General Science and Research, Overcoming Obstacles
★ 4.8 (42) · Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Failure Analysis, Applied Machine Learning, Model Training, AI Workflows, Model Optimization, Spatial Data Analysis, Predictive Modeling, Statistical Machine Learning
Intermediate · Course · 1 - 4 Weeks

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

Arizona State University
Skills you'll gain: digital literacy, Media and Communications, Digital Communications, Interpersonal Communications, Empathy & Emotional Intelligence, Conflict Management, De-escalation Techniques, Interactive Learning
★ 4.6 (22) · Mixed · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Low Voltage, Network Infrastructure, Telecommunications, Authentications, System Monitoring, Electrical Systems, Systems Design, Security Controls, Identity and Access Management, Systems Integration, Network Security, Electrical Equipment, Systems Architecture, Communication Systems, Electrical Safety
Intermediate · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Conflict Management, Negotiation, Intercultural Competence, Stakeholder Management, Leadership and Management, Cultural Sensitivity, Cultural Diversity, Self-Awareness, Relationship Building, Communication Strategies, Communication
★ 4.7 (851) · Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Risk Management, Business Risk Management, Credit Risk, Risk Mitigation, Stakeholder Communications, Operational Risk, Proposal Development, Risk Analysis, Finance, Stakeholder Management, Stakeholder Engagement, Business Strategies, Financial Analysis, Organizational Strategy, Strategic Thinking, Strategic Decision-Making, Cost Benefit Analysis
★ 4.7 (53) · Beginner · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Integral Calculus, Calculus, Differential Equations, Engineering Calculations, Materials science, Applied Mathematics, Advanced Mathematics, Mathematical Theory & Analysis, General Mathematics, Mathematical Modeling, Derivatives
★ 4.9 (8) · Intermediate · Course · 1 - 4 Weeks

Lund University
Skills you'll gain: Responsible AI, AI literacy, Artificial Intelligence, Environment, Environmental Policy, Social Justice, Liberal Arts, Environmental Issue, Sustainable Systems, Sustainable Development, Environment and Resource Management, Environmental Social And Corporate Governance (ESG), Sustainable Technologies, Water Sustainability, Political Sciences, Generative AI, Climate Change Mitigation, Energy and Utilities, Digital Transformation
★ 4.7 (21) · Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Data-Driven Marketing, Strategic Communication, Journey Mapping, Marketing Communications, Marketing Strategies, Digital Media Strategy, Marketing Analytics, Digital Marketing, Marketing Automation, Marketing Channel, Cross-Channel Marketing, AI Personalization, Data-Driven Decision-Making, Personalized Campaigns, MarTech, Integrated Marketing Communications, Communication Strategies, Consumer Behaviour, Data Ethics, Social Media
★ 4.4 (2.9K) · Beginner · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: PySpark, Apache Hadoop, Apache Spark, Big Data, Apache Hive, Data Lakes, Analytics, Data Pipelines, Data Processing, Data Import/Export, Data Infrastructure, Linux Commands, Linux, File Systems, Data Management, Distributed Computing, Command-Line Interface, Relational Databases, Java, C++ (Programming Language)
Intermediate · Specialization · 1 - 4 Weeks

Universiteit Leiden
Skills you'll gain: Immunology, Nephrology, Surgery, Perioperative Care, Medical Practices and Procedures, Patient Preparation, Chronic Diseases, Long Term Care, Molecular, Cellular, and Microbiology, Patient Evaluation, Acute Care, Patient Treatment, Pharmacology, Diagnostic Tests, Infectious Diseases, Pharmacotherapy
★ 4.8 (373) · Intermediate · Course · 1 - 3 Months