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.

Fractal Analytics
Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization, Interactive Data Visualization, Storyboarding, Storytelling, Data Visualization Software, Data Ethics, Data Literacy, Visual Storytelling, Data-Driven Decision-Making, Data Quality, Data Analysis, Drive Engagement, Ethical Standards And Conduct
★ 4.5 (184) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Android Studio, Android Jetpack, Android Development, Mobile Development, Kotlin, User Interface (UI), UI Components, User Interface (UI) Design, Cross Platform Development, Event-Driven Programming, Animations, Extensible Markup Language (XML)
★ 4.6 (156) · Intermediate · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Matplotlib, Plot (Graphics), Pandas (Python Package), Seaborn, SQL, Scientific Visualization, Data Visualization, Data Preprocessing, Jupyter, Data Manipulation, NumPy, Data-Driven Decision-Making, Regression Analysis, Accounting, Applied Machine Learning, Data Processing, Database Management, Query Languages, Data Compilation, Python Programming
★ 4.4 (118) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Scalability, Role-Based Access Control (RBAC), ASP.NET, Authentications, Secure Coding, Load Balancing, Microsoft Copilot, Software Architecture, Performance Tuning, Data Security, Back-End Web Development, API Design, .NET Framework, Restful API, C# (Programming Language), Application Security, Application Development, Multi-Factor Authentication, Process Optimization, Debugging
★ 4.5 (95) · Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Unified Modeling Language, File I/O, System Programming, Visual Basic (Programming Language), Database Management, System Software, Hardware Architecture, Databases, Relational Databases, Algorithms, Computer Architecture, Network Security, Computer Hardware, Development Environment, Data Structures, Object Oriented Programming (OOP), Object Oriented Design, Program Development, Computer Programming, Microsoft Development Tools
★ 4.6 (174) · Beginner · Specialization · 3 - 6 Months

Amazon
Skills you'll gain: File I/O, Object Oriented Programming (OOP), Object Oriented Design, Code Reusability, Java Programming, Java, Software Design, File Management, Data Persistence
★ 4.3 (92) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Engineering, Data Pipelines, Data Transformation, Extract, Transform, Load, Data Integration, Data Warehousing, Software Engineering Tools, Data Import/Export, Stored Procedure, Data Sharing, SQL, Data Analysis, GitHub, Microsoft Visual Studio, Command-Line Interface, Application Deployment
★ 4.7 (146) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: SQL, Query Languages, Data Access, Database Software, Database Design, Relational Databases, Problem Solving
★ 4.6 (335) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Color Theory, User Interface and User Experience (UI/UX) Design, Logo Design, Typography, User Interface (UI), Interaction Design, Figma (Design Software), Adobe Illustrator, Design Reviews, Wireframing, User Interface (UI) Design, Marketing Materials, Marketing Design, Layout Design, Usability, Graphic and Visual Design, Graphic Design, AI powered creativity, Peer Review, Adobe Photoshop
★ 4.5 (112) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Network Protocols, TCP/IP, General Networking, Network Monitoring, Network Security, Network Analysis, Web Servers, Linux, Software Installation
★ 4.6 (146) · Beginner · Guided Project · Less Than 2 Hours

Columbia University
Skills you'll gain: Care Coordination, Value-Based Care, Care Management, Patient Coordination, Clinical Informatics, Health Informatics, Interoperability, Health Technology, Healthcare Ethics, Clinical Leadership, Patient-centered Care, Healthcare Industry Knowledge, Health Systems, Health Care, Health Information Management, Primary Care, Telehealth, Health Policy, Data Sharing, Communication
★ 4.6 (161) · Beginner · Course · 1 - 3 Months

Fundação Instituto de Administração
Skills you'll gain: Sales Strategy, Sales Management, General Sales Practices, Sales Process, Market Intelligence, Competitive Intelligence, Case Studies, Business Strategy, Analysis, Competitive Analysis, Strategic Decision-Making, Market Analysis, Business Research
★ 4.5 (191) · Intermediate · Course · 1 - 4 Weeks