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.

Scrimba
Skills you'll gain: SQL, Relational Databases, Database Management, Database Application, Query Languages, Databases, Data Manipulation, Database Management Systems
Beginner · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Classification Algorithms, Data Preprocessing, Matplotlib, Feature Engineering, Data Visualization, Model Evaluation, Data Import/Export, Exploratory Data Analysis, Plot (Graphics), Pandas (Python Package), Data Presentation, Data Science, NumPy, Regression Analysis, Data Analysis, Data Structures, Data Wrangling, Correlation Analysis, Portfolio Management, Predictive Analytics
Advanced · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Scripting, Scripting Languages, Python Programming, Computer Programming Tools, Devops Tools, Software Development Tools, Data Structures, Programming Principles, Code Reusability, Program Development
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Unified Modeling Language, JUnit, Software Testing, Java, Java Programming, Unit Testing, Software Design, Software Development, Test Driven Development (TDD), Diagram Design
Build toward a degree
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Javascript, JavaScript Frameworks, Program Development, Web Development, Angular, Vue.JS, Application Development, React.js, Web Applications, Event-Driven Programming, Object Oriented Programming (OOP), Programming Principles, Computer Programming, Data Structures, Software Engineering, Computer Science
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Docker (Software), Network Troubleshooting, Containerization, Cloud Infrastructure, Application Deployment, Scalability, Virtual Networking, Role-Based Access Control (RBAC), Network Monitoring, System Monitoring, Configuration Management, Software Installation, Data Persistence
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Data Cleansing, Rmarkdown, Data Presentation, Data Visualization, Analytical Skills, Tableau Software, Dashboard, Stakeholder Communications, Dashboard Creation, Data Integrity, Case Studies, Interactive Data Visualization, Data Analysis, Spreadsheet Software, Data Ethics, Ggplot2, Data Validation, Data-Driven Decision-Making, Database Management
Beginner · Professional Certificate · 3 - 6 Months

LearnQuest
Skills you'll gain: Blockchain, Risk Management, Enterprise Risk Management (ERM), Risk Analysis, Risk Management Framework, Governance Risk Management and Compliance, Legal Risk, Interoperability, IT Security Architecture, Cyber Risk, Information Technology Architecture, Network Architecture, Solution Architecture, Governance, Technical Documentation, Cryptography, Regulatory Compliance, Enterprise Architecture, Data Storage, Systems Architecture
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: 3D Assets, 3D Modeling, Unreal Engine, Video Game Development, Animation and Game Design, Visualization (Computer Graphics), Computer Graphics, Design Software, Wireframing, Editing, Data Import/Export, Graphics Software, User Interface (UI), Model Optimization, Software Installation
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Information Systems, Database Software, Database Systems, Database Management Systems, Database Design, Information Management, Databases, Diagram Design, Relational Databases, Database Management, Data Management, Software Systems
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Software Documentation, Java, API Design, Java Programming, Back-End Web Development, Application Programming Interface (API), Enterprise Application Management, Application Deployment, Databases, Data Persistence
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Exploratory Data Analysis, Data Analysis, Classification Algorithms, Data Preprocessing, Model Training, Scikit Learn (Machine Learning Library), Predictive Modeling, Data Import/Export, Applied Machine Learning, Data Visualization Software, Machine Learning, Risk Analysis
Beginner · Guided Project · Less Than 2 Hours