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.

Skills you'll gain: Mainframe Computing, COBOL (Programming Language), Software Development Life Cycle, z/OS, Unit Testing, Systems Analysis, Job Control Language (JCL), IBM DB2, Systems Development, Debugging, Pseudocode, Virtualization, Agile Methodology, Software Development, Test Driven Development (TDD), Report Writing, Relational Databases, Software Testing, Technical Support, File I/O
Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Data Analysis, Data Visualization, Machine Learning
Mixed · Course · 1 - 3 Months

Northwestern University
Skills you'll gain: Robotics, Machine Controls, Control Systems, Automation Engineering, Mathematical Modeling, Mathematical Software, Simulation and Simulation Software, Engineering Calculations, Engineering, Mechanics, Mechanical Engineering, Artificial Intelligence, Vibrations, Applied Mathematics, Engineering Analysis, Automation, Virtual Environment, Torque (Physics), Graph Theory, Matlab
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Canva (Software), Design, Digital Design, Design Elements And Principles, Product Design, Color Theory, Graphic Design, Intellectual Property, Product Promotion, E-Commerce, Digital Assets, Marketing, Marketing Collateral
Advanced · Guided Project · Less Than 2 Hours

The Linux Foundation
Skills you'll gain: Open Source Technology, GitHub, CI/CD, Git (Version Control System), Collaborative Software, Software Development Methodologies, Software Development Life Cycle, Technical Communication
Beginner · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Blockchain, Test Driven Development (TDD), Development Testing, Application Development, Integrated Development Environments, Web Development Tools, Software Architecture, Web Applications, Application Programming Interface (API), Software Development Tools, Software Design Patterns, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Authentications, OAuth, Android Development, Application Security, Mobile Security, Secure Coding, Authorization (Computing), Security Engineering, Security Controls, Multi-Factor Authentication, Human Factors (Security), Vulnerability Management, Malware Protection, Threat Management, Data Integrity, Risk Management, Debugging, Encryption
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Git (Version Control System), Selenium (Software), Version Control, GitHub, Jenkins, CI/CD, Test Automation, Test Script Development, Test Tools, Browser Compatibility, Test Data, Java, SQL, MySQL
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Application Lifecycle Management, Maintainability
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Brand Strategy, Brand Management, Branding, Storytelling, Brand Awareness, Brand Loyalty, Predictive Analytics, Cross-Channel Marketing, Brand Marketing, Dashboard, Data Ethics, Responsible AI, Advanced Analytics, Market Intelligence, Marketing Strategies, Marketing Effectiveness, Marketing Psychology, Advertising Campaigns, Marketing Automation, Marketing
Beginner · Specialization · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: Hugging Face, Large Language Modeling, Transfer Learning, Rust (Programming Language), Data Validation, Model Deployment, Verification And Validation, Performance Tuning, System Requirements, Model Evaluation, Hardware Architecture, Deep Learning, Data Quality
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Apple iOS, iOS Development, Swift Programming, Application Lifecycle Management, Mobile Development, UI Components, Application Development, Application Programming Interface (API), Data Persistence, User Interface (UI), Web Services, Programming Principles, JSON, Data Modeling
Intermediate · Course · 1 - 3 Months