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.

Johns Hopkins University
Skills you'll gain: Code Review, Version Control, GitHub, Package and Software Management, CI/CD, Continuous Integration, Open Source Technology, Development Environment, Continuous Deployment, Secure Coding, Software Development Tools, Docker (Software), Containerization, Scientific Methods, Bioinformatics, Data Sharing, Git (Version Control System), Automation, Software Documentation, Technical Documentation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Oracle Cloud, Oracle Databases, Data Migration, Data Lakes, Database Architecture and Administration, NoSQL, MySQL, Data Security, Analytics, Machine Learning Methods, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Intune (Mobile Device Management Software), Application Deployment, Group Policy, Enterprise Application Management, Cloud Applications, Microsoft Azure, Mobile Security, Identity and Access Management, Microsoft Office, Configuration Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Financial Data, Oracle Cloud Applications, Forecasting, Accounting and Finance Software, Budget Management, Financial Forecasting, Enterprise Resource Planning, Fiscal Management, Budgeting, Data Management, Business Planning, Strategic Planning, Month End Closing, Strategic Decision-Making, Decision Making
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: UI Components, User Interface (UI), User Interface (UI) Design, Event-Driven Programming, Application Design, Development Environment, Application Development, Application Frameworks
Intermediate · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Strategic Thinking, Business Strategy, Business Strategies, Strategic Decision-Making, Competitive Analysis, Organizational Strategy, Decision Making, Corporate Strategy, Market Analysis, Analysis, Continuous Monitoring, Market Dynamics
Beginner · Course · 1 - 3 Months

Skills you'll gain: Sampling (Statistics), Matplotlib, Data Analysis, Data Mining, Statistical Analysis, Statistical Hypothesis Testing, NumPy, Pandas (Python Package), Probability Distribution, Dimensionality Reduction, Model Evaluation, R Programming, Probability, Python Programming, Scikit Learn (Machine Learning Library), Data Preprocessing, Linear Algebra, Applied Machine Learning, Regression Analysis, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Specialization · 3 - 6 Months

JetBrains
Skills you'll gain: File I/O, Data Structures, Python Programming, Programming Principles, Computer Programming, Scripting, Data Processing, Code Review, NumPy, Development Environment, Integrated Development Environments, Computational Thinking, Software Installation, Numerical Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: IT Security Architecture, Network Security, Infrastructure Security, Software-Defined Networking, Application Security, Zero Trust Network Access, Network Architecture, Threat Modeling, Cybersecurity, Enterprise Architecture, Secure Coding, Cloud Security, Scenario Testing, Cryptography, Vulnerability Assessments
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Video Editing, Animations, Post-Production, TikTok, Video Production, Content Creation, Color Theory, Web Content Accessibility Guidelines, Typography
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Simulations, Visualization (Computer Graphics), Statistical Visualization, R (Software), R Programming, Statistical Modeling, Statistical Programming, Statistical Analysis, Process Analysis, Data Analysis, Test Case
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Open Source Technology, Package and Software Management, Linux, Ubuntu, Operating System Administration, Linux Administration, Linux Commands, Operating Systems, Unix, Command-Line Interface, Unix Commands, Network Administration, Red Hat Enterprise Linux, Bash (Scripting Language), Shell Script, Web Servers, System Configuration, General Networking, Firewall, Virtual Machines
Build toward a degree
Intermediate · Course · 1 - 3 Months