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.

Universidad Nacional Autónoma de México
Skills you'll gain: NoSQL, Database Systems, MongoDB, Database Management Systems, Databases, Database Design, Relational Databases, Query Languages, Apache Cassandra, Data Storage Technologies, Scalability, Graph Theory, Unstructured Data, Maintainability
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: File I/O, Maintainability, Program Development, C (Programming Language), Software Engineering, System Programming, Software Development, Software Design, Simulations, Command-Line Interface, User Interface (UI), Data Structures, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Game Design, Python Programming, Programming Principles, Computer Programming, Scripting, Data Validation, Data Analysis
Beginner · Guided Project · Less Than 2 Hours
University of Rochester
Skills you'll gain: Supply And Demand, Market Dynamics, Economics, Consumer Behaviour, Resource Allocation, Cost Benefit Analysis, Market Analysis, Investments, Policy Analysis, Decision Making
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Java Programming, File I/O, Object Oriented Programming (OOP), Application Frameworks, Debugging, Data Persistence, Data Structures
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Software Design
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Electrical Power, Electric Power Systems, Electrical Systems, Control Systems, Electrical Substation, Electrical Equipment, Energy and Utilities, Electrical Safety, Plant Operations and Management, High Voltage, Applied Mathematics, Power Electronics, Automation Engineering, Basic Electrical Systems, Electrical Engineering, Low Voltage, Process Control, Mathematical Modeling, Matlab, Three-Phase
Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: SQL, Oracle Databases, Database Design, Database Management, Query Languages, Data Integrity, Performance Tuning, Data Structures
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Application Security, Secure Coding, Vulnerability Assessments, Security Software, Security Testing, Cybersecurity, Collaborative Software, Threat Modeling, Debugging, Systems Design
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Gmail, Google Docs, Google Sheets, Google Workspace, Presentations, Spreadsheet Software, Calendar Management, File Management, Excel Formulas, Excel Macros, Version Control, Sales Presentations, Document Management, Collaborative Software, Product Demonstration, Email Security, Meeting Facilitation, Data Visualization, Email Automation, Productivity Software
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Estimation, Probability, Model Evaluation, Simulation and Simulation Software, Mathematical Modeling, Performance Tuning, Computational Thinking, Electrical Power
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Data Structures, Spring Boot, Restful API, Model View Controller, Spring Framework, Java Programming, Java, Back-End Web Development, Authentications, Authorization (Computing), Algorithms, Object Oriented Programming (OOP)
Advanced · Course · 1 - 4 Weeks