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.

Scrimba
Skills you'll gain: Responsive Web Design, Typography, Cascading Style Sheets (CSS), UI Components, Web Design, Interactive Design, User Interface (UI) Design, HTML and CSS, Browser Compatibility, User Interface (UI), Usability, Hypertext Markup Language (HTML), User Interface and User Experience (UI/UX) Design, Web Content Accessibility Guidelines, Front-End Web Development, Animations, Color Theory, Web Development, Web Development Tools
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: ASP.NET, Web Applications, Microservices, Single Sign-On (SSO), Performance Tuning, Identity and Access Management, Full-Stack Web Development, C# (Programming Language), Application Development, Application Security, Cloud Development, Multi-Factor Authentication, Authentications, Role-Based Access Control (RBAC), Scalability, Real Time Data
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Multi-Factor Authentication, Data Security, Security Strategy, Azure Active Directory, Database Architecture and Administration, Virtual Machines, Microsoft Azure, Security Controls, Identity and Access Management, Virtualization and Virtual Machines, Network Security, Role-Based Access Control (RBAC), Encryption, Security Engineering
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Figma (Design Software), UI Components, Prototyping, Interaction Design, User Experience, Mockups, Responsive Web Design, Animations, User Interface (UI) Design, User Flows, Style Guides
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Import/Export, Data Analysis, Exploratory Data Analysis, Java, Data Processing, Data Manipulation, Java Programming, Statistics
Intermediate · Guided Project · Less Than 2 Hours

SkillUp
Skills you'll gain: Group Policy, Dynamic Host Configuration Protocol (DHCP), Azure Active Directory, Active Directory, Windows Servers, Hyper-V, iSCSI Configuration, Virtual Private Networks (VPN), Containerization, Microsoft Azure, Kubernetes, Microsoft Windows, Docker (Software), Hybrid Cloud Computing, Virtualization, Virtual Machines, Server Administration, Network Administration, Authentications, Infrastructure As A Service (IaaS)
Intermediate · Specialization · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Electronic Components, Electronics, Hardware Design, Music, Embedded Systems, System Configuration, Digital Communications, Creative Design, Physics, Computer Programming
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Kotlin, Application Development, Software Documentation, Programming Principles, Data Validation, Computational Logic, Data Mapping
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Infrastructure as Code (IaC), Endpoint Security, Vulnerability Management, Cloud Computing Architecture, Cloud Security, Cyber Threat Intelligence, Vulnerability Assessments, Cyber Attacks, Zero Trust Network Access, Cybersecurity, Network Security, Cloud Deployment, Infrastructure Security, Mobile Security, Security Controls, Disaster Recovery
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Matplotlib, Pandas (Python Package), Data Import/Export, Data Visualization Software, Data Visualization, Microsoft Excel, NumPy, Time Series Analysis and Forecasting, Data Analysis, Data Manipulation
Advanced · Course · 1 - 3 Months

Skills you'll gain: File I/O, C++ (Programming Language), Object Oriented Design, Object Oriented Programming (OOP), Debugging, Data Structures, C (Programming Language), Development Environment, Software Design Patterns, Computational Thinking, Computer Programming, Programming Principles, Data Persistence, Algorithms, Maintainability, Simulations, Data Management, Prototyping
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Mobile Development, Cross Platform Development, .NET Framework, Authentications, User Interface (UI), Application Programming Interface (API), C# (Programming Language), Microsoft Visual Studio, Development Environment, Program Development, Data Access, Software Design Patterns
Intermediate · Course · 1 - 3 Months