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.

LearnQuest
Skills you'll gain: SQL, Oracle Databases, Database Design, Relational Databases, Database Theory, Database Management, Databases, Query Languages, Data Integrity, Data Modeling
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Spring Framework, Model View Controller, Java Platform Enterprise Edition (J2EE), Application Performance Management, Software Design Patterns, Java Programming, Java, Enterprise Architecture, Secure Coding, Software Architecture, Application Security, Security Assertion Markup Language (SAML), Dependency Analysis, System Programming, Web Applications, Continuous Monitoring, OS Process Management, Debugging, Maintainability, Object Oriented Programming (OOP)
Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Anomaly Detection, Intrusion Detection and Prevention, Malware Protection, Cyber Threat Hunting, Threat Detection, Network Analysis, AI Security, Applied Machine Learning, Model Evaluation, Network Security, Unsupervised Learning, Performance Testing, Analysis, Classification Algorithms, Supervised Learning, Microsoft Windows
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Customer Service, Customer experience strategy (CX), Customer Analysis, Process Mapping, Customer Insights, Process Design, Customer Support, Cross-Channel Marketing, Marketing Operations, Business Process, Web Analytics, Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Energy and Utilities, Electrical Systems, Electric Power Systems, Electrical Power, Infrastructure Architecture, Electrical Equipment, Network Planning And Design, Interoperability, Scalability
Beginner · Course · 1 - 4 Weeks
Johns Hopkins University
Skills you'll gain: Microbiology, Epidemiology, Public Health, Infectious Diseases, Investigation, Environment, Environmental Monitoring, Laboratory Testing, Anthropology, Diagnostic Tests, Qualitative Research, Data Collection
Mixed · Course · 1 - 3 Months

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Application Security, Web Applications, Javascript, Web Development, Node.JS, Security Controls, Web Servers, Hypertext Markup Language (HTML), Java Programming
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Business Metrics, Analytics, Digital Transformation, Business Intelligence, Performance Measurement, Big Data, Business Analysis, Data Analysis, Key Performance Indicators (KPIs), E-Commerce, Financial Services, Case Studies, Cash Flows, Culture Transformation
Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Data Visualization Software, Dashboard, Data Visualization, Interactive Data Visualization, Data Transformation, Tableau Software, Data Storytelling, Data Manipulation, Exploratory Data Analysis, Heat Maps, Scatter Plots, Data Analysis, Forecasting, Geospatial Mapping
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Analytics, Google Analytics, Content Performance Analysis, Customer Analysis, E-Commerce, Marketing Analytics, Performance Analysis, Performance Reporting, Marketing Effectiveness
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Tableau Software, Data Transformation, Data Integration, SQL Server Integration Services (SSIS), Data Visualization Software, Relational Databases, Data Management, Advanced Analytics, Data Manipulation, Data Analysis, Data Cleansing, Business Intelligence, Forecasting
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Gemini, Prompt Engineering, Google Workspace, Generative AI, Artificial Intelligence, AI Workflows, Document Management, File Management
Beginner · Course · 1 - 4 Weeks