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.

Illinois Tech
Skills you'll gain: Database Design, Database Systems, Relational Databases, Database Software, Databases, Database Application, Database Management, Database Management Systems, Database Development, SQL, MySQL, Database Theory, Transaction Processing, Stored Procedure, Data Modeling, Unified Modeling Language, Data Integrity, Query Languages, Data Access, Application Development
★ 4.5 (116) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Architectural Drawing, Structural Engineering, Building Design, Structural Analysis, Architectural Engineering, Civil and Architectural Engineering, Building Codes, Engineering Software, Engineering Calculations, Simulation and Simulation Software, 3D Modeling
★ 4.7 (24) · Intermediate · Course · 1 - 4 Weeks

Technical University of Denmark (DTU)
Skills you'll gain: Bioinformatics, Molecular Biology, Microbiology, Molecular, Cellular, and Microbiology, Infectious Diseases, Medical Science and Research, Biomedical Technology, Epidemiology, Biotechnology, Diagnostic Tests, Data Analysis Software, Database Development, Taxonomy, Data Pipelines, Scientific Visualization, Data Processing
★ 4.6 (1.6K) · Beginner · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Immunology, Infectious Diseases, Hematology, Physiology, Oncology, Microbiology, Molecular, Cellular, and Microbiology, Pathology, Epidemiology, Chronic Diseases, Public Health and Disease Prevention, Respiration, Geriatrics, Pulmonology, Environment, Pharmacotherapy, General Medicine, Biology, Pharmacology, Public Health
★ 4.8 (411) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Model Deployment, MLOps (Machine Learning Operations), Microsoft Azure, Artificial Intelligence and Machine Learning (AI/ML), Model Training, Cloud Deployment, Data Pipelines, AI Workflows, AI Security, CI/CD, Continuous Monitoring, Identity and Access Management, Version Control, Data Storage
★ 4.6 (27) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Social Media, Branding, Brand Marketing, Brand Strategy, Social Media Marketing, Social Media Campaigns, LinkedIn, Paid media, Brand Management, Social Media Strategy, Pinterest, Social Media Management, Google Analytics, Content Marketing, Online Advertising, Web Analytics, Meta Ads Manager, Advertising, TikTok, Facebook
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Psychiatry, Clinical Psychology, Mental Health Diseases and Disorders, Mental Health Therapies, Mental Health, Mental and Behavioral Health, Substance Abuse, Public Health, Psychology, Public Health and Disease Prevention, Health Policy, Neurology, Pharmacotherapy, Medical Science and Research, Epidemiology, Research, Pharmacology, Personal Development
★ 4.7 (167) · Beginner · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Political Sciences, Policy Development, Public Policies, Policy Analysis, Economics, Policy, and Social Studies, Social Sciences, International Relations, Socioeconomics, Economics, Economic Development, Governance, Culture
★ 4.8 (360) · Beginner · Course · 1 - 3 Months
LearnQuest
Skills you'll gain: Blockchain, Key Management, Threat Modeling, Public Key Infrastructure, Security Controls, Cryptography, Cybersecurity, Data Security, Application Security, Network Security, Security Architecture Review, IT Security Architecture, Vulnerability Assessments, Encryption, Secure Coding, Cryptographic Protocols, Distributed Denial-Of-Service (DDoS) Attacks, Public Key Cryptography Standards (PKCS), Security Testing, Vulnerability Management
★ 4.6 (21) · Intermediate · Specialization · 3 - 6 Months

Yale University
Skills you'll gain: Cardiology, Anatomy, Gynecology, Urology, Respiration, Neurology, Pulmonology, Nephrology, General Surgery, Medical Terminology, Surgery
★ 4.8 (1.9K) · Intermediate · Course · 1 - 3 Months

O.P. Jindal Global University
★ 4 (10) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Work Breakdown Structure, Earned Value Management, Project Implementation, Resource Allocation, Contract Management, Project Controls, Construction Management, Project Management Office (PMO), Workflow Management, Project Schedules, Operations Management, Capacity Planning, Project Planning, Planning, Scheduling, Project Performance, Resource Management, Productivity, Performance Measurement, Governance
Beginner · Specialization · 3 - 6 Months