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: Penetration Testing, MITRE ATT&CK Framework, Cyber Security Assessment, Public Key Infrastructure, Cybersecurity, Threat Modeling, Cryptography, Exploitation techniques, Security Testing, Vulnerability Scanning, Encryption, Technical Writing, Human Factors (Security)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: IntelliJ IDEA, Object Oriented Design, Debugging, Software Design, User Interface (UI), Apache Maven, Design Thinking, Object Oriented Programming (OOP), Program Development, Build Tools, Integrated Development Environments, Software Development Tools, Eclipse (Software), Data Validation, Version Control, JUnit, Software Development, Git (Version Control System), Data Import/Export, Java
Intermediate · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Sustainable Design, Sustainable Business, Sustainable Engineering, Operations Management, Manufacturing Operations, Corporate Sustainability, Business Leadership, Climate Change Mitigation, Product Design, Environmental Resource Management, Waste Minimization, Environmental Management Systems, Manufacturing Processes, Digital Transformation, Emerging Technologies
Build toward a degree
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Recurrent Neural Networks (RNNs), Vision Transformer (ViT), PyTorch (Machine Learning Library), Keras (Neural Network Library), Scikit Learn (Machine Learning Library), Large Language Modeling, Natural Language Processing, Embeddings, Network Model, Network Architecture, Algorithms
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Presentation, E-Commerce, Analytics, Key Performance Indicators (KPIs), Web Analytics, Google Analytics, Marketing Analytics, Generative AI, Data Analysis, Business Strategy, Data Processing, Artificial Intelligence
Intermediate · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Scala Programming, Programming Principles, Theoretical Computer Science, Other Programming Languages, Computer Programming, Functional Design
Mixed · Course · 1 - 3 Months

Skills you'll gain: Java Platform Enterprise Edition (J2EE), Java, Context Management, Web Applications, Server Side, Data Storage, Session Initiation Protocols, Data Sharing
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Email Marketing, Performance marketing, Content Marketing, Social Media, Web Analytics, Blogs, Marketing Analytics, Market Opportunities
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Tableau Software, Data Visualization Software, Dashboard, Geospatial Information and Technology, Pivot Tables And Charts, Trend Analysis, Data Modeling
Beginner · Course · 1 - 4 Weeks

Nikolai Schuler
Skills you'll gain: Data Storytelling, Power BI, Interactive Data Visualization, Data Visualization, Advanced Analytics, Data Modeling, Data Transformation, Dashboard, Data Visualization Software, Data Manipulation, Data Analysis, Data Integration, Data Cleansing, Data Import/Export, Performance Tuning, Software Installation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Scheduling, Project Schedules, Project Controls, Timelines, Project Management Software, Work Breakdown Structure, Management Reporting, Performance Reporting, Process Improvement and Optimization, Configuration Management, Dashboard, Resource Management, System Configuration
Advanced · Course · 1 - 3 Months

Skills you'll gain: Microsoft Power Automate/Flow, Microsoft Power Platform, Data Analysis Expressions (DAX), Power Apps Component Framework, Power BI, Microsoft Azure, Dashboard, Workflow Management, Process Analysis, Microsoft Copilot, Process Mapping, AI Workflows, Business Process Automation, Microsoft 365, Process Optimization, Automation, Microsoft Visual Studio, Restful API, Application Lifecycle Management, JSON
Intermediate · Specialization · 1 - 3 Months