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: User Accounts, Real Time Data, Authentications, Frontend Integration, Cloud Applications, Application Development, Serverless Computing, Application Security, Web Applications, Data Management, Data Storage, Cloud Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Excel, Data Validation, Customer Data Management, Excel Formulas, Microsoft 365, Customer Relationship Management, Data Entry, Spreadsheet Software, Customer Service, Data Security, Data Management, Invoicing, User Accounts, Editing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Restful API, Postman API Platform, API Design, Application Programming Interface (API), API Testing, Authentications, Object-Relational Mapping, Development Environment, Microsoft Development Tools, Microsoft Visual Studio, Web Development Tools, Authorization (Computing), Endpoint Security, Data Validation
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Verification And Validation, Computational Logic, Theoretical Computer Science, Automation, Agentic systems, System Requirements, Robotics, Artificial Intelligence, Algorithms
Build toward a degree
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Virtual Environment, Canva (Software), Color Theory, Design, Creative Design, Design Elements And Principles, Graphic and Visual Design Software, Graphic and Visual Design, Graphic Design, Marketing
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Database Administration, Microsoft SQL Servers, Microsoft Azure, Database Management, Operational Databases, Transact-SQL, Database Architecture and Administration, Performance Tuning, SQL, Cloud Computing, Azure Active Directory, Cloud Security, Disaster Recovery, Data Migration, Data Security, Virtual Machines
Intermediate · Course · 1 - 3 Months

The Chinese University of Hong Kong
Skills you'll gain: Mathematical Modeling, Operations Research, Debugging, Traffic Flow Optimization, Computational Logic, Business Logic, Algorithms, Data Validation
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), HTML and CSS, Front-End Web Development, Javascript, Responsive Web Design, Maintainability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Flutter (Software), Gemini, Generative AI Agents, LLM Application, Generative AI, Mobile Development, Google Cloud Platform
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Pipelines, Apache Hadoop, Extract, Transform, Load, Data Transformation, Apache Hive, Big Data, Data Warehousing, Strategic Decision-Making, Apache Spark, Data Integration, Data Processing, Data Management, Data Analysis, Scalability
Intermediate · Course · 1 - 4 Weeks

Xi'an Jiaotong University
Skills you'll gain: File Management, C# (Programming Language), Microsoft Windows, UI Components, Programming Principles, User Interface (UI), Computer Graphics, Operating Systems, Graphical Tools, Application Development, Interactive Design, Event-Driven Programming, Human Computer Interaction
Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud Infrastructure, Cloud Computing, Digital Transformation, Public Cloud, Infrastructure As A Service (IaaS), Hybrid Cloud Computing, Platform As A Service (PaaS), Software As A Service, Business Transformation, Technology Strategies, Cloud Security, Multi-Cloud, Private Cloud, Scalability
Beginner · Course · 1 - 3 Months