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.

EDUCBA
Skills you'll gain: IntelliJ IDEA, Integrated Development Environments, Software Development Tools, Version Control, Git (Version Control System), GitHub, Development Environment, Program Development, Debugging, Scripting Languages, Visualization (Computer Graphics), Databases, Database Management, Relational Databases, Scripting
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Sheets, Google Workspace, Data Validation, Spreadsheet Software, Google Cloud Platform
Advanced · Project · Less Than 2 Hours

Duke University
Skills you'll gain: Flask (Web Framework), Web Applications, Package and Software Management, Web Frameworks, Application Frameworks, Debugging, Program Development, Development Environment, Restful API, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Presentations, Canva (Software), Marketing Design, Graphic Design, Graphical Tools, Graphic and Visual Design, Marketing Materials, Graphic and Visual Design Software, Marketing, User Accounts, Business
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Canva (Software), Logo Design, Branding, Brand Strategy, Style Guides, Brand Awareness, Typography, Brand Management, Graphic Design, Color Theory, Graphic and Visual Design, Governance, Asset Management, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Story, Kanban Principles, Agile Methodology, Collaborative Software, Agile Project Management, Workflow Management, Process Improvement
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, Prompt Patterns, AI Orchestration, Vibe coding, AI Workflows, Generative AI Agents, Technical Management, Application Development, Agentic systems, Video Game Development, Development Environment, Application Deployment, Artificial Intelligence, Cloud Hosting, Software Installation, Computer Programming, Authentications, Databases, System Configuration
Beginner · Course · 1 - 3 Months

American Psychological Association
Skills you'll gain: Histogram, Data Analysis, Data Presentation, Exploratory Data Analysis, Graphing, Data Visualization Software, Data Literacy, Descriptive Statistics, Statistical Software, Statistics, Research, Psychology
Beginner · Course · 1 - 3 Months

Skills you'll gain: C and C++, C++ (Programming Language), Code Reusability, Maintainability
Advanced · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Apache Kafka, Prometheus (Software), Data Governance, Distributed Computing, Data Processing, Data Store, Event Monitoring, Network Monitoring, Systems Architecture, Performance Metric, Network Troubleshooting, Network Architecture
Intermediate · Course · 1 - 3 Months

Skills you'll gain: API Gateway, Microservices, Restful API, Node.JS, Application Programming Interface (API), Software Architecture, Service Oriented Architecture, Web Services, Software Development, Software Engineering, Back-End Web Development
Mixed · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Linear Algebra, Numerical Analysis, Artificial Intelligence and Machine Learning (AI/ML), Applied Mathematics, Data Analysis, Machine Learning, Dimensionality Reduction, Model Optimization, Artificial Neural Networks
Build toward a degree
Beginner · Course · 1 - 3 Months