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.

Vanderbilt University
Skills you'll gain: JUnit, Unit Testing, Maintainability, Software Design Patterns, Software Testing, Test Automation, Integration Testing, Test Driven Development (TDD), Development Testing, Testability, Software Engineering, Test Tools, Secure Coding, Android Development, Application Security, Software Design, Mobile Security
Mixed · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Unit Testing, Test Case, Debugging, Software Testing, Test Script Development, Development Testing, Test Automation, Quality Assurance
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Orchestration, AI Workflows, LangGraph, Agentic Workflows, LangChain, LLM Application, Tool Calling, Agentic systems, Generative AI Agents, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Prompt Patterns, Retrieval-Augmented Generation, Prompt Engineering, AI Integrations, Application Development, Data Visualization, Responsible AI, Large Language Modeling, Risking
Intermediate · Specialization · 1 - 3 Months

Salesforce
Skills you'll gain: Overcoming Objections, Prospecting and Qualification, Customer Relationship Management, Customer Relationship Management (CRM) Software, Lead Generation, Sales Development, Intercultural Competence, Time Management, Business Writing, Business Correspondence, Salesforce, Writing, Productivity, Sales Prospecting, Cold Calling, Growth Mindedness, Verbal Communication Skills, Interviewing Skills, Professional Development, Sales
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Politecnico di Milano
Skills you'll gain: Ancient History, Architectural Design, Social Studies, Architecture and Construction, World History, Physical Science, General Science and Research, Engineering, Scientific, and Technical Instruments, Scientific Methods, Simulation and Simulation Software
Beginner · Course · 1 - 3 Months
University of California, Santa Cruz
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Image Quality, Digital Signal Processing, Image Analysis, Computer Vision, Digital Communications, Computer Graphics, Medical Imaging, Applied Mathematics, Sensory Systems Analysis, Spatial Analysis, Linear Algebra, Matlab, Mathematical Modeling, Histogram, Differential Equations
Mixed · Course · 1 - 3 Months
Amazon Web Services
Skills you'll gain: Serverless Computing, AWS Identity and Access Management (IAM), Event-Driven Programming, Solution Architecture, Cloud Computing Architecture, Cloud Solutions, User Accounts, Identity and Access Management, Amazon Web Services, Software Architecture, IT Security Architecture, Back-End Web Development, API Gateway, Hybrid Cloud Computing, Cloud Engineering, Systems Architecture, Enterprise Architecture, Cloud Management, Data Analysis, Data Visualization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: IT Service Management, Technical Support and Services, Technical Support, Service Level, Service Management, Help Desk Support, Customer Service, End User Training and Support, Remote Access Systems, Issue Tracking, Technical Communication, Technical Documentation
Beginner · Course · 1 - 3 Months
Rice University
Skills you'll gain: Statistical Hypothesis Testing, Statistical Methods, Regression Analysis, Statistical Analysis, Statistical Modeling, Statistical Inference, Business Analytics, Microsoft Excel, Model Evaluation, Estimation, Data Analysis, Analytics, Data Transformation
Mixed · Course · 1 - 4 Weeks

Unilever
Skills you'll gain: Data Governance, Descriptive Analytics, Data Storytelling, Supply Chain, Data Presentation, Supply Chain Management, Demand Planning, Data Literacy, Presentations, Supply Chain Systems, Supply Chain Planning, Process Improvement, Data Management, Process Improvement and Optimization, Data Lakes, Supply Management, Predictive Analytics, Data Analysis, Data Visualization, Problem Solving
Beginner · Professional Certificate · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: R (Software), Tidyverse (R Package), Web Scraping, Data Manipulation, Data Wrangling, R Programming, Data Transformation, Memory Management, Data Cleansing, Data Science, Statistical Programming, Data Integration, Data Processing, Text Mining, Data Import/Export, Web Services, Data Analysis, Data Structures, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months