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: Research Design, Science and Research, Laboratory Research, Research Methodologies, Research, Consumer Behaviour, Influencing, Marketing Psychology, Case Studies, Persuasive Communication, Statistical Analysis, Ethical Standards And Conduct, Data Collection, Advertising, Behavioral Economics, Data Analysis Software, Biomedical Technology, Marketing Communications, Experimentation, Neurology
Intermediate · Specialization · 3 - 6 Months

Columbia University
Skills you'll gain: Derivatives, Credit Risk, Financial Market, Portfolio Risk, Capital Markets, Risk Analysis, Risk Management, Market Dynamics, Portfolio Management, Financial Modeling, Operations Research, Mathematical Modeling, Probability Distribution, Applied Mathematics, Computer Programming
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Customer Retention, Loyalty Programs, Customer Relationship Management, Brand Loyalty, Customer experience improvement, Customer Engagement, Customer Service, Consumer Behaviour, User Feedback, Customer Analysis, Marketing Strategies, Service Improvement, Personalized Service
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Public Key Cryptography Standards (PKCS), Cryptography, Data Structures, Algorithms, Encryption, Theoretical Computer Science, Computer Science, Programming Principles, Computational Thinking, IBM Cloud, Advanced Mathematics
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Generative AI Agents, LangChain, AI Workflows, LLM Application, Agentic systems, Development Environment, Model Evaluation, OpenAI, Artificial Intelligence, Scalability, Applied Machine Learning, Performance Tuning, Design
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Performance Testing, Scalability, Data Architecture, Software Architecture, Distributed Computing, Predictive Modeling, Performance Tuning, Microservices, Big Data, Software Engineering, Database Systems, Data Store, Model Evaluation
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Email Automation, Lead Generation, Marketing Automation, Social Media, Social Media Marketing, Copywriting, Web Analytics, Automation
Beginner · Guided Project · Less Than 2 Hours

Howard University
Skills you'll gain: Business Software, Information Systems, Business Systems, Business Technologies, Management Information Systems, Information Technology, Enterprise Resource Planning, E-Commerce, Systems Analysis, Computer Hardware, Data Warehousing, Disaster Recovery, Networking Hardware, Business Ethics, Operating Systems, Business Process Management, Customer Relationship Management, Security Management, Business-To-Consumer, Data Security
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: React Native, Mobile Development, Responsive Web Design, Docker (Software), Azure DevOps, Restful API, Cross Platform Development, Microservices, Containerization, User Interface and User Experience (UI/UX) Design, DevOps, UI Components, ASP.NET, CI/CD, .NET Framework, Unit Testing, Software Testing, Application Development, Authentications, Version Control
Intermediate · Specialization · 1 - 3 Months

Pontificia Universidad Católica del Perú
Skills you'll gain: Data Preprocessing, Business Analytics, Dimensionality Reduction, Analytics, Data Cleansing, Data Transformation, Anomaly Detection, Data Manipulation, Project Management Life Cycle, Databases, R Programming, Data Analysis, Data Quality, Data Science, Big Data, Exploratory Data Analysis, Supervised Learning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Hibernate (Java), Object-Relational Mapping, CI/CD, Spring Boot, Restful API, Java Programming, Integration Testing, Docker (Software), Database Development, Cloud Deployment, Application Security, Java, Containerization, SQL, Databases, Database Design, NoSQL, Kubernetes, Test Driven Development (TDD), Object Oriented Design
Beginner · Specialization · 1 - 3 Months

Technical University of Denmark (DTU)
Skills you'll gain: Jupyter, Medical Imaging, 3D Modeling, Image Analysis, Engineering Analysis, Finite Element Methods, Numerical Analysis, Mathematical Modeling, Materials science, Simulation and Simulation Software, Digital Signal Processing, Python Programming, Applied Mathematics
Mixed · Course · 1 - 3 Months