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: Software Architecture, Software Design Patterns, Software Design, Microservices, Maintainability, Performance Tuning, Model View Controller, Programming Principles, Python Programming, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Performance Metric, Predictive Modeling, Data-Driven Decision-Making, Failure Analysis, Statistical Analysis, Technical Communication, Statistical Hypothesis Testing
Intermediate · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Vibe coding, AI Workflows, Generative AI Agents, Generative AI, AI Personalization, Software Development Tools, GitHub, Application Development, Artificial Intelligence, Code Review, Responsible AI, Design Software, Web Development Tools, Front-End Web Development, Software Development, React.js, Javascript, Web Development, Software Engineering
Beginner · Course · 1 - 3 Months

Skills you'll gain: Network Architecture, Artificial Neural Networks, Network Planning And Design, Performance Testing, Deep Learning
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Customer Retention, HubSpot CRM, Brand Awareness, Surveys, Survey Creation, Marketing Analytics, Google Analytics, Customer Analysis, Customer Service, Customer Relationship Management (CRM) Software, Loyalty Programs, Customer Insights, Customer Relationship Management, Customer Data Management, A/B Testing, AI Product Strategy, Target Audience, Data Analysis, Digital Marketing, Performance Measurement
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Multi-Factor Authentication, Information Architecture, Security Controls, Software Documentation, Authentications, ISO/IEC 27001, Penetration Testing, Vulnerability Assessments, Cross-Functional Collaboration, Application Security, Web Content Accessibility Guidelines, Auditing, Security Information and Event Management (SIEM), Data Security, Organizational Structure, Technical Documentation, Enterprise Security, Single Sign-On (SSO), Security Assertion Markup Language (SAML), Maintainability
Intermediate · Specialization · 3 - 6 Months

Edureka
Skills you'll gain: Java, Java Programming, Object Oriented Programming (OOP), Computer Programming, Object Oriented Design, Programming Principles, Software Engineering, Debugging, Program Development, Integrated Development Environments, Data Structures, IntelliJ IDEA, Application Development, Software Development, Virtual Machines
Beginner · Course · 1 - 4 Weeks

Universitat Politècnica de València
Skills you'll gain: Materials science, Chemical Engineering, Laboratory Techniques, Analytical Testing, Manufacturing Processes, Chemistry, Production Process, Image Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Marketing Budgets, Correlation Analysis, Customer Analysis, Marketing Analytics, Customer Retention, Customer Insights, Statistical Methods, Advanced Analytics, Marketing Effectiveness, Statistical Hypothesis Testing, Predictive Analytics, Product Strategy, Statistical Modeling, Analytics, Customer Engagement, Statistical Analysis, Data-Driven Decision-Making, Customer Acquisition Management, Predictive Modeling, Marketing Channel
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Shiny (R Package), Rmarkdown, Plotly, Interactive Data Visualization, Data Visualization, Data Presentation, Data Visualization Software, R Programming, Data Mapping, Data Science, Statistical Reporting, Web Applications, Package and Software Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: Android Studio, Android Jetpack, Kotlin, Android Development, Android (Operating System), Responsive Web Design, Mobile Development, UI Components, Unit Testing, Gradle, User Interface (UI) Design, Application Development, User Interface (UI), Integrated Development Environments, Object Oriented Programming (OOP), Development Environment, Programming Principles, Test Driven Development (TDD), Wireframing, Prototyping
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Git (Version Control System), Selenium (Software), Version Control, GitHub, Jenkins, CI/CD, Test Automation, Test Script Development, Test Tools, Browser Compatibility, Test Data, Java, SQL, MySQL
Intermediate · Course · 1 - 3 Months