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.

Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Bootstrap (Front-End Framework), Debugging, UI Components, Front-End Web Development, Semantic Web, Hypertext Markup Language (HTML), Browser Compatibility, Web Content Accessibility Guidelines, Web Analytics and SEO, User Interface (UI), Development Testing, Data Validation, Javascript, Animations
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Design, Ruby (Programming Language), Performance Tuning, Data Persistence, Maintainability, Application Design, Software Engineering, Development Environment, Application Development, Application Security, Unit Testing, Scalability, Software Design, Debugging, Application Deployment, Software Configuration Management, Business Logic
Beginner · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Network Troubleshooting, Performance Tuning, Docker (Software), Virtual Networking, Network Administration, Network Security, Network Performance Management, Containerization, Application Deployment, General Networking, Hardware Troubleshooting, Scenario Testing, Real Time Data
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Software Engineering, Programming Principles, Computer Programming, Software Design, Predictive Modeling, Algorithms, Data Structures, Performance Testing, File I/O, Debugging, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Gemini, Command-Line Interface, Prompt Engineering, Code Review, AI Personalization, Web Development Tools, Security Testing, Software Installation, User Flows, Software Architecture
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Maintainability, Technical Documentation, Document Management, Technical Writing, Document Control, Content Management, Collaborative Software, Usability Testing, Information Architecture, Version Control
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud Applications, Serverless Computing, Google Cloud Platform, Identity and Access Management, Cloud API, Application Deployment, Containerization, Authentications, Application Development, Software Testing, Scalability
Beginner · Course · 1 - 3 Months

Skills you'll gain: C and C++, C++ (Programming Language), Development Environment, Performance Tuning, Distributed Computing, Docker (Software), Development Testing, Programming Principles, Algorithms, Computer Programming, Python Programming, Debugging, Software-Defined Networking, Computer Hardware, Scripting
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Anomaly Detection, MLOps (Machine Learning Operations), AI Security, Software Engineering, DevOps, CI/CD, Model Deployment, Performance Tuning, Model Evaluation, Secure Coding, Continuous Monitoring, Integration Testing, Data Validation, Sampling (Statistics), Statistical Methods, Python Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dashboard, Data Synthesis, Usability Testing, Data Integration, Usability, Data Presentation, Market Research, Data Literacy, Interactive Data Visualization, Looker (Software), User Experience Design, Data Visualization, Product Improvement, Tableau Software, Peer Review, User Centered Design, Data Storytelling, Grafana, Driving engagement, Graphic and Visual Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linux Commands, Bash (Scripting Language), Shell Script, File Management, Linux, File Systems, Unix Commands, Scripting, Command-Line Interface, Ubuntu, Linux Administration, Unix, Operating Systems, Network Protocols, OS Process Management, Automation, Software Installation
Beginner · Course · 1 - 4 Weeks
Coursera
Skills you'll gain: Secure Coding, Open Web Application Security Project (OWASP), DevSecOps, Security Testing, Application Security, Vulnerability Scanning, Vulnerability Assessments, Vulnerability Management, CI/CD, Continuous Monitoring, Docker (Software), Technical Communication, Computer Programming
Intermediate · Course · 1 - 4 Weeks