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.

University of London
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), JSON, HTML and CSS, Ajax, Web Content Accessibility Guidelines, Javascript, Application Programming Interface (API), Web Design, Semantic Web, Usability, Web Applications, Web Development, Test Tools, Web Content, Front-End Web Development, Data Structures, Application Frameworks, Network Protocols, Data Ethics
★ 4.8 (13) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Programming Principles, Information Technology, Operating Systems, Web Applications, Collaborative Software, Computer Literacy, Computing Platforms, Computer Programming, Python Programming, Application Development, System Software, Linux, Application Design, Microsoft Windows, Mac OS, Package and Software Management, Open Source Technology, Software Development
★ 4.4 (8) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Entry, Microsoft Excel, Pivot Tables And Charts, Excel Formulas, Spreadsheet Software, Data Visualization, Data Visualization Software, Dashboard, Microsoft Office, Case Studies, Data Management, Business Analytics, Exploratory Data Analysis, Productivity Software, Business, Analysis, Data Presentation, Data Analysis, Data Manipulation, Data Literacy
★ 4.8 (31) · Beginner · Specialization · 1 - 3 Months

Packt
Skills you'll gain: Ruby (Programming Language), File I/O, Object Oriented Programming (OOP), Object Oriented Design, Ruby on Rails, Debugging, Test Tools, Application Design, Code Reusability, Programming Principles, Test Case, Software Documentation, Development Environment, Integrated Development Environments, Computer Programming, Data Structures, Apple Xcode, Web Development, Computational Logic, Software Installation
★ 4.4 (18) · Intermediate · Specialization · 3 - 6 Months

Arizona State University
Skills you'll gain: Semiconductors, Analytical Testing, Engineering, Scientific, and Technical Instruments, Analytical Chemistry, Materials science, Image Analysis, Laboratory Equipment, Laboratory Research, Quantitative Research, Scientific Visualization, Qualitative Research
★ 4.8 (17) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud-Native Computing, Cloud Development, Serverless Computing, Google Cloud Platform, Cloud Deployment, Cloud Services, Application Development, Containerization, Cloud-Based Integration, Cloud Security, Application Deployment, Identity and Access Management, Integration Testing, Scalability
★ 4.4 (12) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Hardware Troubleshooting, Computer Hardware, Digital Transformation, Network Troubleshooting, Technical Support, Technical Support and Services, Networking Hardware, Servers, Network Security, Server Administration, Data Security, Hardware Architecture, System Configuration, IT Infrastructure, Data Storage Technologies, Data Storage, Computer Networking
★ 4.9 (21) · Beginner · Course · 1 - 4 Weeks

Indian Institute of Technology Guwahati
Skills you'll gain: SolidWorks (CAD), Computer-Aided Design, Computer Graphics, 3D Modeling, Mechanical Design, Engineering Drawings, Visualization (Computer Graphics), Assembly Drawing, Prototyping, Computer Graphic Techniques, Graphics Software
★ 4.1 (14) · Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: JUnit, Unit Testing, Software Testing, Test Tools, Java
★ 3.3 (13) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Data Loss Prevention, Mobile Security, DevSecOps, MLOps (Machine Learning Operations), Vulnerability Scanning, Model Optimization, Incident Response, LLM Application, Hardening, Application Security, Anomaly Detection, Responsible AI, Security Controls, Data Security, CI/CD, Infrastructure Security, Continuous Monitoring, Penetration Testing, Vulnerability Assessments
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Pipelines, Apache Hadoop, Extract, Transform, Load, Dataflow, Data Transformation, Apache Hive, Data-Driven Decision-Making, Big Data, Data Warehousing, Data Architecture, Apache Spark, Data Integration, Data Processing, Data Capture, Business Analytics, Data Management, Data Analysis, Scalability
★ 4.7 (12) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Qualitative Research, Research Design, Focus Group, Research Methodologies, Research, Research and Design, Data Collection, Interviewing Skills, Case Studies, Analysis, Discussion Facilitation
★ 4.4 (10) · Beginner · Course · 1 - 4 Weeks