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.

Packt
Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Application Security, Data Security, Cybersecurity, Cyber Attacks, Web Applications, Threat Detection, Security Awareness, Vulnerability Management, Encryption, Authentications, Authorization (Computing), PHP (Scripting Language)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Virtualization and Virtual Machines, Network Administration, File Systems
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Vulnerability Assessments, Threat Modeling, Threat Management, Risk Management Framework, Virtual Networking, Security Management, Cyber Security Assessment, System Configuration, Simulations, Configuration Management, Cybersecurity, Cloud Security
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Lightweight Directory Access Protocols, Git (Version Control System), Authentications, Collaborative Software, Linux Servers, Linux Administration, Version Control, Authorization (Computing), Open Source Technology
Intermediate · Course · 1 - 4 Weeks

Beginner · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Kubernetes, Google Cloud Platform, Serverless Computing, Cloud-Native Computing, Cloud Infrastructure, Cloud Computing Architecture, Cloud Computing, Infrastructure As A Service (IaaS), Application Deployment, Virtual Machines, Containerization, Load Balancing, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Databases, Data Manipulation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Software, Embedded Systems, Development Environment, Serial Peripheral Interface, 3D Assets, USB, Program Development, Integrated Development Environments, Display Devices, Computer Programming, Debugging, Real Time Data
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Istio, Microservices, Containerization, Docker (Software), Kubernetes, Application Deployment, Software Architecture, Cloud-Native Computing, Systems Architecture, Service Oriented Architecture, Application Performance Management, Performance Tuning, Scalability
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Power Apps Component Framework, Application Lifecycle Management, Microsoft Power Platform, Microsoft Power Automate/Flow, Azure DevOps, Microsoft Copilot, Application Deployment, User Interface and User Experience (UI/UX) Design, Postman API Platform, Microsoft Azure, Mobile Development, CI/CD, Application Programming Interface (API), TypeScript
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Lean Six Sigma, Organizational Change, Lean Methodologies, Six Sigma Methodology, Organizational Leadership, Project Scoping, Root Cause Analysis, Statistical Analysis, Statistical Methods, Process Improvement, Process Analysis, Quality Improvement, Continuous Quality Improvement (CQI), Process Capability, Statistical Hypothesis Testing, Data Analysis, Kanban Principles, Waste Minimization
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Azure DevOps, Application Security, Software Documentation, Vulnerability Scanning
Intermediate · Course · 3 - 6 Months