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.

Northeastern University
Skills you'll gain: Operations Research, Applied Mathematics, Mathematical Software, Operational Analysis, Linear Algebra, Numerical Analysis, Mathematical Modeling, Algorithms, Model Optimization, Algebra
★ 4.9 (8) · Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Billing, Amazon Web Services, Cost Reduction, Cost Management, Cost Estimation, Cloud Management, Budget Management, Cloud Computing, Cloud Infrastructure, Cloud Storage, Cloud Services, Product Support, Technical Support and Services, Technical Support, Financial Management, Vendor Management, Customer Support
★ 4.6 (22) · Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Water Resources, Water Quality, Hazard Analysis, Pollution Prevention, Food Safety and Sanitation, Food and Beverage, Hydrology, Environmental Issue, Environment Health And Safety, Laboratory Testing, Food Quality Assurance And Control, Environmental Monitoring, Public Health, Microbiology, Analytical Testing, Analytical Chemistry, Environmental Science, Biochemistry, Biochemical Assays
★ 4.5 (22) · Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Construction Inspection, Construction, Engineering Plans And Specifications, Building Design, Structural Engineering, Structural Analysis, Architecture and Construction, Industrial Design, Shop Drawing, Construction Engineering, Engineering Drawings, Technical Drawing, Engineering Design Process, Engineering Calculations
★ 4.9 (16) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Performance Tuning, Python Programming, OS Process Management, Scalability, Web Scraping, Database Management
★ 3.9 (14) · Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: MySQL, Bash (Scripting Language), Scripting, Database Management, Relational Databases, Shell Script, Database Administration, Command-Line Interface, Operational Databases, SQL, Databases, Data Import/Export, Database Application, Data Pipelines, Data Manipulation, Python Programming, Data Processing, Linux
★ 4.2 (13) · Beginner · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: File Management, Cloud Storage, Collaborative Software, Google Workspace, Data Storage, Cloud Services, Document Management, Microsoft Office, Data Sharing
★ 4.3 (19) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: Android Studio, Android Development, Kotlin, Interactive Design, Object Oriented Programming (OOP), Code Reusability, User Interface (UI) Design, Mobile Development, Android (Operating System), Object Oriented Design, UI Components, Relational Databases, Maintainability, Program Development, PostgreSQL, Database Design, Database Development, Application Development, Application Design, Development Environment
★ 4.9 (24) · Beginner · Specialization · 1 - 3 Months
Skills you'll gain: Qualitative Research, Research Design, Focus Group, Research Methodologies, Research, Research and Design, Data Collection, Interviewing Skills, Case Studies, Analysis, Discussion Facilitation
★ 4.4 (10) · Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Marketing Analytics, Data-Driven Marketing, Probability & Statistics, Regression Analysis, Data-Driven Decision-Making, Data Ethics, Statistical Analysis, Statistical Hypothesis Testing, Customer Insights, Analytical Skills, Customer Analysis, Customer Retention, Correlation Analysis, Descriptive Statistics, Data Analysis, Analytics, Statistical Visualization, Statistical Modeling, Predictive Analytics, Descriptive Analytics
★ 4.8 (13) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Extensible Markup Language (XML), Ajax, Extensible Languages and XML, Web Design and Development, Java Platform Enterprise Edition (J2EE), jQuery, Cascading Style Sheets (CSS), Data Validation, Web Applications, Scripting Languages, Javascript and jQuery, Web Development, Hypertext Markup Language (HTML), Middleware, Model View Controller, Web Services, Interoperability, Java, Computer Graphic Techniques, Scalability
★ 4.5 (74) · Beginner · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: AI Orchestration, LLM Application, AI Workflows, OpenAI API, Agentic Workflows, Tool Calling, Generative AI Agents, Retrieval-Augmented Generation, Agentic systems, Data Pipelines
★ 4.5 (14) · Intermediate · Project · Less Than 2 Hours