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.

IIT Bombay
Skills you'll gain: Design Thinking, User Research, Prototyping, Human Centered Design, Product Design, Sustainable Business, Innovation, Brainstorming, Creative Thinking, Empathy, User Feedback, Product Development, Customer experience improvement, Case Studies, Collaboration
Beginner · Course · 1 - 3 Months
Georgia Institute of Technology
Skills you'll gain: Software-Defined Networking, Network Performance Management, Network Monitoring, Data Centers, Network Architecture, Computer Networking, Cloud Computing, Network Routing, Microsoft Azure, Test Tools, Debugging, Scalability
Mixed · Course · 1 - 3 Months

Skills you'll gain: Webpack, Frontend Performance, Search Engine Optimization, Web Development Tools, Web Analytics and SEO, Performance Tuning, Build Tools, Debugging, Web Development, Software Testing, Test Automation, Development Testing, WordPress, Javascript
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Jenkins, Infrastructure as Code (IaC), CI/CD, Ansible, SonarQube, Continuous Integration, DevOps, Apache Tomcat, Apache Maven, Docker (Software), Continuous Deployment, Continuous Delivery, Build Tools, Configuration Management, Code Coverage, Application Lifecycle Management, Shell Script, Software Configuration Management, Application Deployment, Continuous Monitoring
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Generative AI Agents, LangChain, AI Workflows, LLM Application, Agentic systems, Development Environment, Model Evaluation, OpenAI, Artificial Intelligence, Scalability, Applied Machine Learning, Performance Tuning, Design
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Web Content Accessibility Guidelines, Education Software and Technology, Educational Materials, Learning Management Systems, Digital pedagogy, Community Development, Adult Education, Instructional Design, Motivational Skills, Relationship Building, Technology Strategies, Professional Development, Collaboration, Cultural Responsiveness, Constructive Feedback, Communication
Beginner · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Linux, Linux Administration, Operating System Administration, Linux Commands, User Accounts, Command-Line Interface, Systems Administration, Operating Systems, User Provisioning, Service Management, System Configuration, System Monitoring, Graphical Tools, File Management
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Pontificia Universidad Católica del Perú
Skills you'll gain: 3D Modeling, Manufacturing Processes, Prototyping, Software Installation, Materials science, Maintenance, Repair, and Facility Services, Data Import/Export
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Infrastructure as Code (IaC), Terraform, Google Cloud Platform, Cloud Infrastructure, Cloud Storage, Configuration Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Respiration, Human Musculoskeletal System, Cardiology, Respiratory Care, Pulmonology, Hemodynamics, Clinical Practices, Cell Biology, Physiology, Oxygen Therapy, Anatomy, Endocrinology, Diagnostic Tests, Patient Evaluation, Nephrology, Orthopedics, Pulmonary Function Testing, Cardiac Dysrhythmia, Kinesiology, Interactive Learning
Beginner · Specialization · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Professional Networking, Leadership Development, Relationship Building, Rapport Building, Business Consulting, Relationship Management, Consulting, Amazon Web Services, Technical Consulting, Continuous Improvement Process, Business Relationship Management, Project Management, Brand Management, Analysis, Active Listening, Requirements Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, CI/CD, Model View Controller, ASP.NET, Cloud Infrastructure, Continuous Deployment, Load Balancing, OAuth, Continuous Integration, Cloud Computing, Cloud Applications, Cloud Deployment, Application Deployment, Cloud Platforms, Build Tools, Web Development, Web Applications, Microservices, Single Sign-On (SSO), Performance Tuning
Intermediate · Specialization · 3 - 6 Months