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.

Edureka
Skills you'll gain: Data Storytelling, SQL, Data Engineering, Data Presentation, Key Performance Indicators (KPIs), Dashboard Creation, Star Schema, Dashboard, Data Modeling, Data Quality, Business Analytics, Database Design, Data Mart, Business Intelligence, Analytics, YAML, Data Pipelines, Data Transformation, Performance Tuning, Analysis
★ 3.8 (6) · Intermediate · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Oral Expression, Education Software and Technology, Technical Communication, Media and Communications, Writing, Storytelling, Human Learning, Pedagogy, Instructional Strategies, Community Outreach, Science and Research, Writing and Editing, Content Creation, Liberal Arts, Visual Storytelling, Photography, Photo/Video Production and Technology, Driving engagement, Music, Psychology
★ 4.4 (14) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computer Architecture, Mainframe Computing, Mainframe Technologies, Microarchitecture, Systems Architecture, Hardware Architecture, Data Storage, Computer Science, Programming Principles, System Programming, Data Structures, Computational Logic, Computer Hardware, Program Development, Computer Programming, Memory Management
★ 3.9 (10) · Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Debugging, Java, Teaching, Java Programming, Computer Programming, Programming Principles, Computational Logic, Computational Thinking, Education Software and Technology, Digital pedagogy
★ 2.8 (6) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Software Documentation, Technical Documentation, Maintainability, Programming Principles, Software Design, Code Reusability, Python Programming
★ 4.5 (14) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: File I/O, Object Oriented Programming (OOP), Debugging, Object Oriented Design, JSON, Program Development, Data Structures, Code Reusability, Python Programming, Microsoft Visual Studio, Development Environment, Scripting, Maintainability, Integrated Development Environments, Package and Software Management, Authorization (Computing), Programming Principles, Computer Programming, Web Scraping, Application Programming Interface (API)
Beginner · Specialization · 3 - 6 Months

Vanderbilt University
Skills you'll gain: Generative AI Agents, Agentic Workflows, AI Orchestration, LLM Application, OpenAI API, Java Programming, Java, AI Workflows, Agentic systems, Generative AI, Prompt Patterns, Prompt Engineering, AI Integrations, Persona (User Experience), Document Management, Secure Coding, Business Logic, Software Design Documents, Plan Execution, Software Design Patterns
★ 4.3 (10) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Marketing Effectiveness, Global Marketing, New Product Development, Market Opportunities, Marketing, Product Development, Brand Marketing, Product Marketing, Brand Management, Market Analysis, Competitive Analysis, Strategic Marketing, Marketing Planning, Marketing Analytics, Communication Planning, Diversity Marketing, Marketing Communications, Branding, Consumer Behaviour, Marketing Strategy and Techniques
★ 4.5 (14) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Copilot, Sales Strategy, Customer Analysis, Sales Enablement, Data Cleansing, Sales Management, Sales, Customer Relationship Management (CRM) Software, Customer Insights, Data Quality, Data Maintenance, Sales Prospecting, Prospecting and Qualification, Customer Data Management, Customer Engagement, AI Personalization, Advanced Analytics, Analytics, Personalized Service, Data Integrity
★ 3.7 (9) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Probability, Bayesian Statistics, Probability Distribution, Failure Analysis, Probability & Statistics, Estimation, Mathematical Modeling, Statistical Inference, Statistical Modeling, Statistical Methods, Markov Model, Reliability, Simulations, Sampling (Statistics), Numerical Analysis, Applied Mathematics, Statistical Analysis, Simulation and Simulation Software
★ 5 (10) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Open Source Technology, Package and Software Management, Linux, Ubuntu, Operating System Administration, Linux Administration, Linux Commands, Operating Systems, Unix, Command-Line Interface, File Systems, Linux Servers, Unix Commands, Network Administration, Red Hat Enterprise Linux, Bash (Scripting Language), Application Deployment, Shell Script, IT Automation, Web Applications
★ 4.7 (10) · Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), HTML and CSS, Front-End Web Development, Javascript, Responsive Web Design, Maintainability
★ 4.7 (13) · Intermediate · Course · 1 - 4 Weeks