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.

Johns Hopkins University
Skills you'll gain: Image Analysis, Event-Driven Programming, Scalability, Dataflow, Digital Signal Processing, Distributed Computing, C++ (Programming Language), Program Development, Performance Tuning, Memory Management, Algorithms
★ 3.4 (30) · Intermediate · Course · 1 - 3 Months

IESE Business School
Skills you'll gain: Lean Methodologies, Workforce Management, Lean Manufacturing, Service Improvement, Operations Management, Operational Excellence, Operational Performance Management, Business Process Management, Process Optimization, Service Management, Operational Efficiency, Workforce Planning, Staff Management, Business Transformation, Process Analysis, Sustainable Business, Process Flow Diagrams, Capacity Management, Client Services, Capacity Planning
★ 4.4 (25) · Beginner · Course · 1 - 3 Months

Skills you'll gain: GitHub, Git (Version Control System), Version Control, Unix Commands, Unix Shell, Software Versioning, Linux Commands, Shell Script, Command-Line Interface, Software Configuration Management, Bash (Scripting Language), Devops Tools, Software Installation, Configuration Management, Collaborative Software, Code Review, File Systems, Development Environment, Web Presence, Software Documentation
★ 4.5 (35) · Intermediate · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Responsive Web Design, Git (Version Control System), Web Development, Cascading Style Sheets (CSS), Data Persistence, React.js, Version Control, Performance Tuning, Full-Stack Web Development, GitHub, Event-Driven Programming, HTML and CSS, Application Design, Development Testing, Software Design Documents, Video Game Development, Game Design, Program Development, Software Testing, Javascript
★ 4.2 (19) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Ansible, Package and Software Management, YAML, Configuration Management, System Configuration, Systems Administration, Linux Administration, Unix, IT Automation, Automation, Bash (Scripting Language), Web Applications, Unix Shell, Code Reusability, File Management, Cloud Infrastructure, DevOps, User Accounts
★ 4 (29) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Statistical Modeling, R Programming, Statistical Analysis, Data Analysis, R (Software), Data Ethics, Advanced Analytics, Statistical Methods, Data Modeling, Regression Analysis, Predictive Modeling, Mathematical Modeling, Machine Learning, Logistic Regression, Probability & Statistics, Statistical Inference, Model Evaluation, Probability Distribution, Linear Algebra, Calculus
★ 4.2 (26) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Business Planning, Market Analysis, Information Architecture, Collaborative Software, Version Control, Ideation, Diagram Design, Organizational Structure
★ 4.5 (35) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Angular, Web Development Tools, Unit Testing, Test Script Development, Test Automation, Software Testing, Testability, Test Case, Test Tools, UI Components, Web Applications, TypeScript
★ 4.3 (44) · Intermediate · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, Web Design and Development, Front-End Web Development, Web Design, Computer Programming
★ 4.9 (49) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Time Series Analysis and Forecasting, Exploratory Data Analysis, Model Evaluation, Feature Engineering, Data Preprocessing, Statistical Analysis, Forecasting, Regression Analysis, Python Programming, Data Analysis, Predictive Modeling, Data Science, Data Transformation
★ 4.5 (43) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), File I/O, Data Persistence, Object Oriented Design, Java, Java Programming, Code Reusability, Maintainability, Software Design, Application Development, Computer Programming, Data Import/Export, Data Management, Data Validation
★ 4.3 (24) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Incident Response, Cyber Threat Hunting, Computer Security Incident Management, Incident Management, Cyber Threat Intelligence, Threat Detection, Cyber Security Strategy, Security Strategy, Threat Management, Cybersecurity, Scenario Testing, Technical Communication
★ 4.3 (47) · Advanced · Course · 1 - 4 Weeks