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: Browser Compatibility, Responsive Web Design, UI Components, HTML and CSS, Hypertext Markup Language (HTML), Color Theory, Web Design, Web Content Accessibility Guidelines, Extensible Markup Language (XML), Cascading Style Sheets (CSS), Semantic Web, Verification And Validation, Interactive Design, User Interface (UI), Typography, Web Design and Development, Web Development Tools, Usability, Web Development, Interaction Design
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Distributed Computing, Scalability, Performance Tuning, C++ (Programming Language), System Programming, Computer Architecture, Cross Platform Development, Hardware Architecture, Application Development, Algorithms, C (Programming Language), Development Environment
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Debugging, Data Validation, Business Logic, Programming Principles, Verification And Validation
Intermediate · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: System Programming, Rust (Programming Language), Data Structures, Relational Databases, Other Programming Languages, Databases, Debugging, Programming Principles, Application Development, Secure Coding, SQL, Object Oriented Programming (OOP), C++ (Programming Language), Interoperability, Software Development, File I/O, Command-Line Interface, Data Import/Export
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Web Applications, Application Development, Web Development, JavaScript Frameworks, OAuth, UI Components, Front-End Web Development, Authentications, React.js, Development Environment, Software Installation, Cascading Style Sheets (CSS)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Git (Version Control System), GitHub, Version Control, Open Source Technology, Collaborative Software, Unix Commands, Microsoft Visual Studio, Continuous Integration, Linux, Mac OS, Web Development Tools, File Management, Shell Script, Command-Line Interface, Code Review, Data Integrity, Application Deployment, React.js, Hypertext Markup Language (HTML), Technical Communication
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Presentations, Canva (Software), Graphic Design, Graphic and Visual Design, Marketing Materials, Marketing, User Accounts, Business
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Java Programming, Java, Performance Tuning, Spring Framework, Application Performance Management, Algorithms, JUnit, OS Process Management, Application Frameworks, Programming Principles, Performance Testing, Spring Boot, Computer Architecture
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Development Environment, C++ (Programming Language), Debugging, Computational Thinking, Computer Programming, Data Management
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, Prompt Engineering, MongoDB, Query Languages, Metadata Management, Performance Tuning, Embeddings, Data Pipelines
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: C++ (Programming Language), Maintainability, Software Design Patterns, Programming Principles, Algorithms, Data Structures, Performance Tuning, Debugging
Advanced · Course · 1 - 3 Months

Skills you'll gain: PostgreSQL, Relational Databases, Java, Java Platform Enterprise Edition (J2EE), Systems Development, Application Servers, Database Design, Databases, Application Design, Back-End Web Development, Web Applications, Business Logic, Secure Coding, Data Validation, Payment Systems, Document Management, Authentications, Verification And Validation, File Management
Intermediate · Course · 1 - 4 Weeks