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 Pennsylvania
Skills you'll gain: Statistical Machine Learning, Model Evaluation, Statistical Methods, Logistic Regression, Python Programming, Statistical Modeling, Supervised Learning, Machine Learning Methods, Machine Learning, Classification Algorithms, Regression Analysis, Statistical Analysis, Applied Machine Learning, Predictive Modeling, Probability & Statistics, Bayesian Statistics, Dimensionality Reduction, Statistical Hypothesis Testing, Model Optimization
★ 5 (6) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Exploit development, Metasploit, Exploitation techniques, Penetration Testing, Database Management, Cryptography, Security Testing, Cyber Security Assessment, Data Import/Export, Encryption, Vulnerability Assessments, Cybersecurity, SQL, Command-Line Interface
★ 4.8 (20) · Mixed · Course · 1 - 4 Weeks

University of Glasgow
Skills you'll gain: Responsible AI, AI literacy, digital literacy, Digital pedagogy, Education Software and Technology, Generative AI, Artificial Intelligence, Data Ethics, AI Integrations, Emerging Technologies, Instructional Design, Case Studies, Problem Solving, Critical Thinking
★ 4.4 (7) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Statistical Analysis, Statistical Methods, Matplotlib, Regression Analysis, Statistical Modeling, Data Science, Data Analysis, Data Visualization, Pandas (Python Package), Anomaly Detection, Plot (Graphics), Data Visualization Software, Statistical Visualization, Data Integration, Data Collection, Data Access, Data Manipulation, Application Programming Interface (API)
★ 4 (8) · Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Responsible AI, Generative AI Agents, Workflow Management, Model Evaluation, Decision Intelligence, AI Orchestration, Process Analysis, Technical Communication, Quality Assurance, Process Mapping, Quality Assessment, Artificial Intelligence, Scalability, Process Design, Acceptance Testing, Maintainability, Prompt Engineering, Generative AI, Governance, Business Process Management
Beginner · Specialization · 1 - 3 Months

University of Colorado System
Skills you'll gain: Systems Engineering, Requirements Analysis, Requirements Elicitation, Systems Development Life Cycle, Systems Development, Configuration Management, Engineering Management, Project Risk Management, Waterfall Methodology, Functional Requirement, Systems Analysis, Project Management, Risk Management, Systems Architecture, System Requirements
★ 4.6 (8) · Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Software Development
★ 4.9 (20) · Beginner · Course · 1 - 3 Months

Skills you'll gain: AI powered creativity, Visual Storytelling, Photo Editing, Image Quality, Generative AI, Graphics Software, Adobe Photoshop, AI Personalization, Content Creation, Editing, User Accounts, Multimedia, Video Editing, File Management
★ 4.9 (13) · Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Node.JS, Server Side, MongoDB, Back-End Web Development, Restful API, Full-Stack Web Development, Web Applications, Database Development, Frontend Integration, Web Development, JavaScript Frameworks, Database Management, Secure Coding, Application Programming Interface (API), Software Architecture, NoSQL, API Design, Authentications, Performance Tuning, Authorization (Computing)
★ 4.2 (6) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Digital Transformation, Patient Education and Support, Microsoft Azure, Collaborative Software, Health Technology, Patient Communication, Generative AI, Microsoft Teams, Data Ethics, Health Informatics, Healthcare Ethics, Medical Privacy, Care Coordination, Cloud Computing Architecture, Cloud Computing, Cloud Security, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Cloud Infrastructure, Patient-centered Care
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Embeddings, Retrieval-Augmented Generation, Model Training, Large Language Modeling, Natural Language Processing
★ 4.8 (9) · Beginner · Project · Less Than 2 Hours

STARWEAVER
Skills you'll gain: Internet Of Things, Electronic Hardware, Hardware Design, Energy and Utilities, Embedded Software, Sustainable Technologies, System Design and Implementation, Electronic Components, Sustainable Design, Industrial Engineering, AI Integrations, Emerging Technologies, Network Planning And Design, Sustainable Systems, Electric Power Systems, Sustainable Development, Communication Systems, Scalability, Test Engineering, Prototyping
★ 3.9 (9) · Beginner · Course · 1 - 4 Weeks