Pen testing courses can help you learn vulnerability assessment, network security, and ethical hacking techniques. You can build skills in penetration testing methodologies, risk analysis, and incident response strategies. Many courses introduce tools like Metasploit, Wireshark, and Burp Suite, that support identifying and exploiting security weaknesses in systems and applications. By engaging with these tools, you can practice practical work that enhance your ability to secure networks and protect sensitive data.

Skills you'll gain: Agentic Workflows, AI Orchestration, Model Context Protocol, Generative AI Agents, Agentic systems, Context Engineering, Prompt Engineering, LLM Application, LangChain, ChatGPT, Tool Calling, AI Integrations, Retrieval-Augmented Generation, Context Management, Software Architecture, Deep Learning, Interoperability, Software Design Patterns
Intermediate · Course · 3 - 6 Months

LearnQuest
Skills you'll gain: Spring Framework, Microservices, JUnit, Model View Controller, Restful API, Application Frameworks, Spring Boot, Software Architecture, API Gateway, Web Services, Cloud-Native Computing, Object-Relational Mapping, Transaction Processing, Data Persistence, Frontend Integration, Service Oriented Architecture, JSON, Database Management, Unit Testing, Java Programming
★ 3.9 (704) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Data Migration, Data Storytelling, Data Strategy, Google Cloud Platform, Data Governance, Database Management, Technology Roadmaps, Cloud Solutions, Business Analysis, Enterprise Architecture, Databases, Plan Execution, Business Priorities, Milestones (Project Management), Dependency Analysis, Strategic Prioritization, Risk Mitigation, Cost Estimation
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Probability, Statistical Hypothesis Testing, Statistical Inference, Probability & Statistics, Statistical Methods, Probability Distribution, Statistics, Bayesian Statistics, Statistical Analysis, Sampling (Statistics), Applied Mathematics, Data Ethics, Data Analysis, Correlation Analysis, Data Science, Sample Size Determination, Data Collection
★ 4.4 (365) · Intermediate · Specialization · 3 - 6 Months
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Application Design, Software Design, Software Design Patterns, Functional Design, Other Programming Languages, Event-Driven Programming, Functional Testing, Java, Programming Principles, Performance Tuning, Data Structures, Algorithms
★ 4.5 (3.1K) · Intermediate · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: AI Personalization, Model Evaluation, Machine Learning Algorithms, Machine Learning Methods, Taxonomy, Decision Support Systems, Business Metrics, Applied Machine Learning, Test Data, Machine Learning, Dimensionality Reduction, Performance Metric, Performance Testing, Spreadsheet Software, Analysis, Systems Design, Solution Design, Predictive Modeling, Microsoft Excel, Statistical Methods
★ 4.3 (833) · Intermediate · Specialization · 3 - 6 Months

Taipei Medical University
Skills you'll gain: Nephrology, Dialysis, Pharmacotherapy, Medication Therapy Management, Pharmacology, Drug Interaction, Chronic Diseases, Medication Administration, Urinalysis, Clinical Monitoring, Physiology, Patient Evaluation, Drug Development, Diagnostic Tests, Pharmaceutical Terminology, Patient Safety, Patient Education And Counseling, Epidemiology, Public Health
Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Data Storytelling, Web Scraping, Google Sheets, Data Visualization, Data Presentation, Statistical Visualization, Spreadsheet Software, Large Language Modeling, Tableau Software, Data Literacy, Dashboard, Pandas (Python Package), Time Series Analysis and Forecasting, Probability & Statistics, Extract, Transform, Load, Statistical Analysis, Statistics, Data Manipulation, Data Analysis, Descriptive Statistics
★ 4.7 (285) · Beginner · Professional Certificate · 3 - 6 Months

Northeastern University
Skills you'll gain: Health Informatics, Health Technology, Health Information Management and Medical Records, Clinical Informatics, Health Information Management, Electronic Medical Record System, Health Care, Medical Records, Health Systems, Healthcare Industry Knowledge, Electronic Medical Record, Informatics, Usability, Interoperability, Telehealth, ICD Coding (ICD-9/ICD-10), Responsible AI, Human Computer Interaction, Health Care Procedure and Regulation, Computerized Physician Order Entry
Beginner · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Agile Software Development, User Story, Backlogs, Agile Methodology, Agile Product Development, Agile Project Management, Scrum (Software Development), Software Engineering, Sprint Planning, Software Development Life Cycle, Scaled Agile Framework, Software Development, Sprint Retrospectives, Software Development Methodologies, Requirements Analysis, Waterfall Methodology, Continuous Integration, Test Driven Development (TDD), Scalability, Risk Management Framework
Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Usability Testing, User Experience Design, User Experience, UI/UX Research, User Research, Design Research, Usability, Human Computer Interaction, Test Planning, Technical Communication, Interviewing Skills
★ 4.8 (305) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Eclipse (Software), Software Testing, Scripting, Test Tools, UI Components, Integrated Development Environments, Web Applications, Java, Functional Testing
★ 4.5 (362) · Beginner · Guided Project · Less Than 2 Hours