Software testing courses can help you learn test planning, test case design, automated testing, and performance testing. You can build skills in identifying bugs, writing effective test scripts, and using various testing methodologies. Many courses introduce tools like Selenium for automation, JUnit for unit testing, and JIRA for issue tracking, showing how these skills apply in real-world software development environments.

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Software Design Patterns, Object Oriented Programming (OOP), Software Design, Object Oriented Design, Java, Java Programming, Program Development, Computer Programming, Graphical Tools, User Interface (UI), Simulations
★ 4.8 (24) · Intermediate · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: Pivot Tables And Charts, Interactive Data Visualization, Data Visualization, Statistical Inference, Data Visualization Software, Data Presentation, Correlation Analysis, Microsoft Excel, Data Literacy, Spreadsheet Software, Probability & Statistics, Statistics, Regression Analysis, Statistical Hypothesis Testing, Data Analysis, Excel Formulas, Statistical Analysis, Sampling (Statistics), Forecasting, Variance Analysis
★ 4.6 (21) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Data Cleansing, Rmarkdown, Data Presentation, Data Visualization, Analytical Skills, Tableau Software, Dashboard, Stakeholder Communications, Dashboard Creation, Data Literacy, Data Integrity, Case Studies, Interactive Data Visualization, Data Analysis, Spreadsheet Software, Data Ethics, Ggplot2, Data Validation, Database Management
★ 4.8 (46) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Plot (Graphics), Data Visualization, Graphing, Matplotlib, Data Visualization Software, Graphical Tools, Histogram, Data Analysis, Python Programming
★ 4.8 (48) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Incident Response, Incident Management, Data Centers, Computer Security Incident Management, DevSecOps, Continuous Monitoring, System Monitoring, Threat Detection, Infrastructure Security, IT Security Architecture, Security Management, Payment Card Industry (PCI) Data Security Standards, Data Security, Information Systems Security, IT Infrastructure, Security Information and Event Management (SIEM), Security Testing, DevOps, System Configuration, IT Automation
★ 4.9 (54) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Software Installation, Code Reusability, Functional Design, Programming Principles, Data Validation, Python Programming, Program Development, Scripting, Software Design, Computational Thinking, Development Environment, Computational Logic, Computer Programming, Algorithms, Command-Line Interface
★ 4.5 (36) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Containerization, Prompt Engineering, AI Orchestration, Scalability, Docker (Software), AI Workflows, Kubernetes, Agentic Workflows, Azure Active Directory, Prompt Patterns, Generative AI Agents, LangChain, Microservices, Microsoft Azure, Artificial Intelligence, Distributed Computing, Serverless Computing, Natural Language Processing, Reinforcement Learning
★ 3.4 (21) · Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Animations, Canva (Software), Social Media, Storytelling, Visual Storytelling, Social Media Content, Social Media Marketing, Graphical Tools, Graphic and Visual Design Software, Design, Graphic Design, Marketing
★ 4.5 (47) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Overcoming Objections, Sales Development, Growth Mindedness, Oral Expression, Lead Generation, Time Management, Customer Relationship Management, Active Listening, Customer Relationship Management (CRM) Software, Enthusiasm, Constructive Feedback, Consultative Selling, Selling Techniques, Verbal Communication Skills, Intercultural Competence, Sales Enablement, Social Skills, Interviewing Skills, Technical Sales, Storytelling
★ 3.8 (37) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Operating System Administration, Remote Access Systems, Local Area Networks, Software Installation, Command-Line Interface, Threat Management, Microsoft Windows, System Configuration, Threat Detection, Information Technology Operations, Wireless Networks, Systems Administration, Network Security, TCP/IP, Information Systems Security, Peripheral Devices, USB, Operating Systems, Computer Hardware, Data Storage Technologies
★ 4.7 (44) · Beginner · Specialization · 3 - 6 Months

Columbia University
Skills you'll gain: Derivatives, Credit Risk, Financial Market, Portfolio Risk, Capital Markets, Risk Analysis, Risk Management, Market Dynamics, Portfolio Management, Financial Modeling, Operations Research, Mathematical Modeling, Probability Distribution, Applied Mathematics, Computer Programming
★ 4.5 (31) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: 3D Modeling, Autodesk, 3D Assets, Design Software, Visualization (Computer Graphics), Computer Graphics, Computer Graphic Techniques, Layout Design, Editing, Functional Design, Graphical Tools, Simulations, Fine-tuning
★ 4.8 (69) · Beginner · Specialization · 1 - 3 Months