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: JUnit, Unit Testing, Software Testing, Mockups, Test Case, Test Driven Development (TDD), Java
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Maven, Build Tools, Software Configuration Management, Continuous Integration, Integrated Development Environments, Java Programming, Dependency Analysis, Automation, Java, Product Lifecycle Management, Extensible Markup Language (XML)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI Security, Microservices, Site Reliability Engineering, Failure Analysis, Distributed Computing, Middleware, Failure Mode And Effects Analysis, Continuous Monitoring, AI Workflows, Performance Tuning, Dependency Analysis, Performance Metric, Performance Analysis, Application Performance Management, System Monitoring, Service Level
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Architecture, Routing Protocols
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft 365, Network Security, Cloud Management, Microsoft Azure, Business Software, Computer Hardware, Virtual Machines, Identity and Access Management, Cybersecurity, Network Troubleshooting, Microsoft Office, Desktop Support, Virtual Private Networks (VPN), Azure Active Directory, Technical Support and Services, Technical Support, System Monitoring, Disaster Recovery, Cloud Computing, Network Protocols
Beginner · Professional Certificate · 3 - 6 Months
Starweaver
Skills you'll gain: Digital Forensics, Investigation, Cybersecurity, Data Integrity, Criminal Investigation and Forensics, Data Ethics, Computer Security, Scenario Testing, Technical Communication, Incident Response, Writing, Technical Documentation, Data Analysis Software, File Systems, Artifactory, Microsoft Windows
Beginner · Course · 1 - 3 Months

Skills you'll gain: MLOps (Machine Learning Operations), Feature Engineering, Model Evaluation, Data Preprocessing, Performance Analysis, Performance Tuning, Predictive Modeling, Data Pipelines, Data Transformation
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Logo Design, Color Theory, Design Elements And Principles, Graphic Design, Design, Typography, Storytelling, Layout Design, User Experience Design, Digital Design, Image Quality, Graphic and Visual Design, Adobe InDesign, Graphic and Visual Design Software, Design Research, Information Architecture, Adobe Photoshop, Web Design and Development, File Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Object Oriented Programming (OOP), C++ (Programming Language), Object Oriented Design, Application Design, Solution Design, Software Visualization, Program Development, Verification And Validation
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Epidemiology, Public Health, Data Presentation, Public Health and Disease Prevention, Trend Analysis, Geographic Information Systems, Health Policy, Data Visualization Software, Chronic Diseases, GIS Software, Health Systems, Infectious Diseases, Biostatistics, Risk Analysis, Investigation, Health Care, Health Disparities, Community Health, Data Analysis, Statistics
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Scripting, Email Automation, Google Workspace, Google Sheets, Automation, Spreadsheet Software, Gmail, Javascript, Hypertext Markup Language (HTML), Web Applications, Application Design, Application Development, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Change Orders, Change Control, Project Schedules, Timelines, Initiative and Leadership, Sprint Planning, Project Planning, Planning, Waterfall Methodology, Scheduling, Project Estimation, Analysis
Beginner · Course · 1 - 4 Weeks