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.

University of Pennsylvania
Skills you'll gain: File I/O, Matplotlib, Object Oriented Design, Java, Object Oriented Programming (OOP), Data Analysis, Unit Testing, Pandas (Python Package), Java Programming, Eclipse (Software), Application Development, Data Visualization, Data Structures, Data Science, Data Cleansing, Debugging, Pivot Tables And Charts, Programming Principles, Python Programming, Computer Programming
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Knitr, Data Sharing, General Science and Research, Statistical Reporting, Data Analysis, Statistical Analysis, Data Validation, Exploratory Data Analysis, R Programming, Technical Communication, GitHub, Git (Version Control System), Software Documentation
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Excel Macros, Visual Basic (Programming Language), Programming Principles, Data Import/Export, Microsoft Excel, Problem Solving, Computer Programming, Spreadsheet Software, Simulations, Code Review, Algorithms, UI Components, Debugging, Data Management, User Interface (UI), File I/O, Data Cleansing, Automation, Data Validation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Excel Formulas, Microsoft Excel, Data Cleansing, Spreadsheet Software, Data Validation, Data Analysis Software, Data Analysis, Statistical Analysis, Financial Analysis, Data Management
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Graphic Design, Graphic and Visual Design, Graphic and Visual Design Software, Design, Visual Design, Layout Design, Typography, Design Reviews, Adobe Photoshop, Design Elements And Principles, Design Strategies, Color Theory, Editing, Creativity
Beginner · Course · 1 - 4 Weeks
LearnQuest
Skills you'll gain: Java Programming, Java, File I/O, Object Oriented Programming (OOP), Object Oriented Design, Programming Principles, Software Design, Computer Programming, Application Frameworks, Data Structures, Virtual Machines, Web Development, Data Persistence, Debugging, Package and Software Management, Development Environment
Intermediate · Specialization · 3 - 6 Months

Meta
Skills you'll gain: Jest (JavaScript Testing Framework), React.js, Web Development Tools, JavaScript Frameworks, Application Programming Interface (API), Unit Testing, UI Components, Front-End Web Development, Software Design Patterns, Javascript, Context Management
Intermediate · Course · 1 - 4 Weeks

University of Cape Town
Skills you'll gain: Biostatistics, Statistical Methods, Statistical Hypothesis Testing, Diagnostic Tests, Clinical Research, Statistical Analysis, Quantitative Research, Statistics, Descriptive Statistics, Statistical Inference, Data Collection, Probability
Beginner · Course · 1 - 3 Months

Skills you'll gain: Application Programming Interface (API), Test Execution Engine, Interactive Data Visualization, Web Applications, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Adobe Illustrator, Adobe Express, Adobe Photoshop, Logo Design, Responsible AI, Digital Design, Layout Design, Graphic Design, Graphics Software, Adobe Firefly, User Interface and User Experience (UI/UX) Design, Generative AI, Visual Design, File Management, Process Design, Design Reviews, Image Quality, Presentations, Branding, Storytelling
Beginner · Professional Certificate · 3 - 6 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Supply And Demand, Statistical Inference, Business Analytics, Descriptive Statistics, Sampling (Statistics), Market Dynamics, Business Planning, Statistical Hypothesis Testing, Financial Systems, Bank Regulations, Financial Policy, Banking, International Finance, Data-Driven Decision-Making, Data Analysis, Data Presentation, Economics, Statistical Analysis, Peer Review, Business Economics
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Vulnerability Management, Vulnerability Assessments, Cyber Security Assessment, Open Web Application Security Project (OWASP), Exploitation techniques, Application Security, Patch Management, Cyber Threat Intelligence, Web Applications, Cyber Engineering, Cyber Security Policies, Cyber Governance, Risk Management Framework, Linux Administration, Ethical Standards And Conduct, Linux, Linux Commands, Linux Servers
Beginner · Course · 1 - 4 Weeks