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.

Whizlabs
Skills you'll gain: Virtual Networking, Amazon Web Services, Virtual Private Networks (VPN), Network Routing, Network Architecture, General Networking, Network Security, Network Monitoring
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Sampling (Statistics), Data Mining, Statistical Hypothesis Testing, Probability, Linear Algebra, Statistical Analysis, Statistical Inference, Data Analysis, Probability Distribution, Statistics, Machine Learning Algorithms, Machine Learning, Python Programming
Mixed · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Claude Code, Vibe coding, Anthropic Claude, Model Context Protocol, Application Development, Command-Line Interface, Application Design, Programming Principles, Generative AI, Automation, Generative AI Agents, Image Analysis, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Help Desk Support, Desktop Support, End User Training and Support, Technical Support, Software Documentation, Technical Documentation, Network Troubleshooting, Hardware Troubleshooting, Issue Tracking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Flutter (Software), User Interface (UI) Design, User Interface (UI), JSON, Object Oriented Programming (OOP), Mobile Development, Data Structures, Data Modeling, Debugging
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Distributed Computing, Scalability, Database Design, Database Management Systems, Database Systems, Database Architecture and Administration, Database Management, Relational Databases, SQL, Performance Tuning, Data Integrity, Transaction Processing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Post-Production, Adobe Premiere, Video Editing, Data Import/Export, Multimedia, Cinematography, Music, Editing, Quality Assurance
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Systems Engineering, Verification And Validation, Team Management, Systems Architecture, Requirements Analysis, Requirements Elicitation, Scrum (Software Development), Systems Development Life Cycle, Teamwork, Configuration Management, Team Building, Agile Methodology, Scaled Agile Framework, Systems Development, Team Motivation, Organizational Leadership, Engineering Management, Risk Management, Waterfall Methodology, Leadership and Management
Intermediate · Specialization · 3 - 6 Months
University of Glasgow
Skills you'll gain: Application Deployment, Application Development, Code Review, Software Development, Prototyping, Web Applications, JavaScript Frameworks, Software Engineering, Javascript, Computational Thinking, Version Control, Programming Principles, Program Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Interactive Learning, Education Software and Technology, Digital pedagogy, Microsoft Office, Instructional Design
Beginner · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Looker (Software), Database Development, Database Design, Data Modeling, SQL, Exploratory Data Analysis, Data Visualization Software, Data Analysis
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Matplotlib, Data Storytelling, Data Presentation, Data Visualization, Plot (Graphics), Scientific Visualization, Data Visualization Software, Scatter Plots, Image Quality, NumPy, Histogram, Image Analysis
Mixed · Course · 1 - 4 Weeks