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.

CertNexus
Skills you'll gain: Cyber Threat Intelligence, Incident Response, Cybersecurity, Computer Security Incident Management, Information Systems Security, Threat Detection, Cyber Risk, Risk Analysis, Computer Security, Digital Forensics, Network Security, Incident Management, Vulnerability Assessments, Criminal Investigation and Forensics, Vulnerability Management, Vulnerability Scanning, Intelligence Collection and Analysis, Risk Management, Risk Mitigation, Network Analysis
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Bookkeeping, Generally Accepted Accounting Principles (GAAP), Ledgers (Accounting), Accounting Records, Standard Accounting Practices, Accounting, General Ledger, Balance Sheet, Financial Accounting, Reconciliation, Financial Reporting, Transaction Processing
Intermediate · Course · 1 - 4 Weeks

Technical University of Denmark (DTU)
Skills you'll gain: Power Electronics, Electrical Power, Plant Operations and Management, Electric Power Systems, Sustainable Technologies, Energy and Utilities, Semiconductors, Electronics, Electronics Engineering, Environmental Engineering, Electrical Engineering, Materials science, Physics, Engineering Calculations, Mathematical Modeling
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data Science, Web Applications, Python Programming, Programming Principles, Artificial Intelligence, Computer Programming, Scientific Visualization, Game Design
Beginner · Guided Project · Less Than 2 Hours

The Hong Kong University of Science and Technology
Skills you'll gain: Civil Engineering, Structural Analysis, Hazard Analysis, Failure Analysis, Engineering Analysis, Risk Control, Geospatial Information and Technology, Physical Science, Mechanics, Augmented and Virtual Reality (AR/VR), Experimentation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Assembly Drawing, Finite Element Methods, Mechanical Design, Engineering Drawings, Engineering Analysis, Technical Drawing, 3D Modeling, Computer-Aided Design, Simulation and Simulation Software, Data Integration
Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Pseudocode, C++ (Programming Language), Object Oriented Programming (OOP), C and C++, File I/O, Object Oriented Design, Integrated Development Environments, Computer Programming, Development Environment, Programming Principles, Debugging, Data Structures, Program Development, Algorithms, Interactive Design, Model Evaluation, Software Engineering, Test Data, Data Validation, Command-Line Interface
Build toward a degree
Intermediate · Specialization · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Mathematics Education, Geometry, Logical Reasoning, Childhood Education and Development, Deductive Reasoning, General Mathematics
Beginner · Course · 1 - 3 Months

The Chinese University of Hong Kong
Skills you'll gain: Patient Evaluation, General Medicine, Health Care, Health Assessment, Patient Education and Support, Preventative Care, Clinical Assessment, Physiology, Pharmacology
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Model Deployment, Cloud Deployment, Google Cloud Platform, Serverless Computing, Application Deployment, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Containerization, Scalability, Performance Tuning
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Software Development Tools, AI Workflows
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Control Systems, Numerical Analysis, Simulations, Engineering Analysis, Visualization (Computer Graphics), Engineering Calculations, Torque (Physics), Applied Mathematics
Advanced · Course · 1 - 3 Months