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, HTML and CSS, Web Design, Typography, Web Design and Development, Front-End Web Development, Cascading Style Sheets (CSS), UI Components, Figma (Design Software), Browser Compatibility, Hypertext Markup Language (HTML), User Interface (UI) Design, Interactive Design, Design, User Interface (UI), Web Content Accessibility Guidelines, Usability, Code Reusability, Animations
Intermediate · Course · 3 - 6 Months

Coursera
Skills you'll gain: Invoicing, Billing & Invoicing, Accounting Records, Billing, Excel Formulas, Spreadsheet Software, Tax Compliance, Payment Processing and Collection, Microsoft Excel, Sales Tax, Regulatory Requirements, Law, Regulation, and Compliance, Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Collaborative Software, Data Sharing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Dataflow, Google Cloud Platform, Data Pipelines, Real Time Data, Data Visualization, Interactive Data Visualization, Data Visualization Software, Big Data, Database Development, Databases, Tensorflow
Advanced · Project · Less Than 2 Hours

International Institute of Information Technology, Hyderabad
Skills you'll gain: Microarchitecture, Computer Architecture, Hardware Architecture, Computer Hardware, Performance Tuning, Dependency Analysis
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: File I/O, Memory Management, C++ (Programming Language), Code Reusability, Vibe coding, API Design, Software Architecture, Software Design, Functional Design, Maintainability, Data Import/Export, Data Structures, AI literacy, AI Integrations, Data Validation, Performance Tuning, Build Tools, Verification And Validation, Package and Software Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Rust (Programming Language), ChatGPT, Authentications, Generative AI Agents, Back-End Web Development, Web Servers, OpenAI API, AI Orchestration, Web Frameworks, Databases, Code Review, Server Side, Web Applications, Agentic Workflows, AI Integrations, Command-Line Interface, AI Workflows, Package and Software Management, Memory Management, Development Environment
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Web Services, Restful API, Apache Maven, Build Tools, Spring Boot, Spring Framework, Gradle, Simple Object Access Protocol (SOAP), Application Programming Interface (API), Java, Java Programming, API Design, Object-Relational Mapping, Data Persistence, JSON, Extensible Markup Language (XML)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Data Maintenance, Linux Administration, Operating System Administration, Database Software, Event Monitoring, Database Management Systems, Linux Commands, File I/O, Data Migration, Performance Testing, Data Storage Technologies, Scenario Testing, Memory Management, Data Storage, Software Installation
Intermediate · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Node.JS, JSON, Server Side, Web Development Tools, Back-End Web Development, JavaScript Frameworks, Web Servers, Application Programming Interface (API), Restful API, Javascript, Web Development, Code Reusability, Package and Software Management, Servers
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Azure DevOps, Azure DevOps Pipelines, DevOps, Agile Methodology, Collaborative Software, Devops Tools, Microsoft Azure, Software Development, Application Performance Management
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Model Context Protocol, AI Integrations, AI Security, Enterprise Architecture, Scalability, Software Architecture, Systems Architecture, Servers, Interoperability, Server Side, Authentications, System Design and Implementation, Enterprise Security, Performance Tuning
Advanced · Course · 1 - 4 Weeks