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.

Imperial College London
Skills you'll gain: Data Presentation, Data Visualization Software, Interactive Data Visualization, Health Informatics, Digital Analysis, Tableau Software, Model Evaluation, Information Management, Analytics, Health Technology, Data Management, Science and Research, Clinical Trials, Statistical Analysis
★ 4.8 (71) · Intermediate · Course · 1 - 4 Weeks

Tecnológico de Monterrey
Skills you'll gain: Lean Six Sigma, Process Improvement and Optimization, Process Analysis, Six Sigma Methodology, Process Improvement, Lean Methodologies, Process Optimization, Lean Manufacturing, Statistical Analysis, Statistical Process Controls, Analysis, Regression Analysis, Continuous Improvement Process, Production Process, Statistical Methods, Statistical Hypothesis Testing, Statistical Inference
★ 4.8 (73) · Intermediate · Course · 1 - 4 Weeks
Emory University
Skills you'll gain: Probability Distribution, Marketing Analytics, Probability, Microsoft Excel, Statistics, Data-Driven Marketing, Statistical Methods, Statistical Modeling, Probability & Statistics, Risk Modeling, Excel Formulas, Decision Making, Risk Management, Simulation and Simulation Software, Insurance and Warranty Claims Processing, Risk Analysis
★ 4.3 (69) · Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Secure Coding, Application Security, C and C++, Linux Administration, Verification And Validation, Code Review, Vulnerability Management, Linux, Security Controls, Vulnerability Assessments, Unix, User Accounts, Data Validation, File I/O, Cryptography, System Programming, C (Programming Language), Identity and Access Management, Encryption, File Management
★ 4.6 (82) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Web Content Accessibility Guidelines, Education Software and Technology, Digital pedagogy, Community Development, Adult Education, Instructional Design, Motivational Skills, Relationship Building, Technology Strategies, Professional Development, Cultural Responsiveness, Communication
★ 4.5 (79) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Incident Response, Computer Security Incident Management, Endpoint Detection and Response, Cyber Threat Intelligence, Intrusion Detection and Prevention, Threat Detection, Cyber Attacks, Cybersecurity, Network Security, Digital Forensics, Network Monitoring, Data Security, Network Analysis, Exploitation techniques, Malware Protection, Memory Management
★ 4.8 (97) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Node.JS, Restful API, Database Design, Database Development, Database Application, NoSQL, MongoDB, Back-End Web Development, Performance Tuning, API Design, Cloud Applications, Relational Databases, Authentications, Server Side, Application Programming Interface (API), Cloud Development, Cloud Deployment, Middleware, Scalability, Javascript
★ 4.5 (55) · Intermediate · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Model Context Protocol, AI Security, AI Integrations, Tool Calling, IT Security Architecture, Generative AI Agents, Security Engineering, Context Management, Interoperability, Agentic systems, Enterprise Security, Authorization (Computing), Generative AI
★ 4.6 (58) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: React Native, Mobile Development, Responsive Web Design, Cross Platform Development, Microservices, User Interface (UI), User Interface and User Experience (UI/UX) Design, DevOps, UI Components, User Interface (UI) Design, UI/UX Strategy, Secure Coding, Development Testing, Mobile Development Tools, Unit Testing, Software Testing, Application Development, Authentications, Data Security, Version Control
★ 4.2 (56) · Intermediate · Specialization · 1 - 3 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Data Structures, Computer Programming, Algorithms, Program Development, Python Programming, Solution Design, Analysis
★ 4.7 (106) · Intermediate · Course · 1 - 3 Months

American Psychological Association
Skills you'll gain: Descriptive Statistics, Data Literacy, Graphing, Statistical Visualization, Statistical Hypothesis Testing, Probability & Statistics, Statistical Inference, Quantitative Research, Statistics, Statistical Analysis, Statistical Methods, Descriptive Analytics, Sample Size Determination, Data Analysis, Sampling (Statistics), Exploratory Data Analysis, Science and Research, Psychology, Bayesian Statistics, Research Design
★ 4.6 (67) · Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Looker (Software), Data Modeling, Dashboard, Dashboard Creation, Performance Tuning, Business Intelligence Software, SQL, Data Analysis, Data Persistence
★ 4.7 (72) · Intermediate · Course · 1 - 4 Weeks