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: Jenkins, Continuous Integration, Ansible, Docker (Software), DevOps, Devops Tools, Continuous Delivery, SonarQube, Software Configuration Management, Continuous Deployment, Continuous Monitoring, Configuration Management, Containerization, Disaster Recovery, Key Management, Authentications, Authorization (Computing), Security Management
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: SQL, Oracle Databases, Database Design, Relational Databases, Database Systems, Database Theory, Database Management, Databases, Query Languages, Data Integrity, Transaction Processing
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Prompt Engineering, ChatGPT, Security Testing, AI Security, Responsible AI, API Testing, AI Integrations, Penetration Testing, OpenAI, Exploitation techniques, Vulnerability Scanning, Generative AI
Beginner · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: File I/O, Debugging, File Management, File Systems, Python Programming, Operating Systems, Programming Principles, Computer Programming, Object Oriented Programming (OOP), Software Development, Cross Platform Development
Mixed · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Git (Version Control System), Bitbucket, Version Control, GitLab, Code Review, CI/CD, Software Versioning, Collaborative Software, Continuous Integration, User Accounts
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Root Cause Analysis, Correlation Analysis, Regression Analysis, Statistical Methods, Statistics, Data Collection, Descriptive Statistics, Statistical Hypothesis Testing, Data Literacy, Probability & Statistics, Statistical Analysis, Process Analysis, Six Sigma Methodology, Lean Six Sigma, Quantitative Research, Business Process Improvement, Data Analysis, Process Improvement, Statistical Inference, Operational Efficiency
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Collaborative Software, Organizational Skills, Document Management, Project Management Software, Project Coordination, Telecommuting, Project Management, Productivity Software, Project Documentation, Internal Communications, Data Security, File Management, User Accounts, Information Privacy, Account Management
Beginner · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Performance Tuning, OS Process Management
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Azure Active Directory, Microsoft Azure, Web Applications, Cloud Applications, Application Security, Identity and Access Management, Cloud Security, Authorization (Computing), Key Management, Application Development, Security Strategy, Application Programming Interface (API), Authentications, Encryption
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Product Planning, Target Market, Persona Development, Operational Performance Management, Target Audience, Market Opportunities, Systems Thinking, Business Modeling, Product Lifecycle Management, Customer Analysis, Operational Analysis, Entrepreneurship, Leadership and Management, Business Planning, Engineering Management, Market Analysis, People Management, New Product Development, Governance, Engineering
Build toward a degree
Beginner · Course · 1 - 3 Months

University of Washington
Skills you'll gain: GitHub, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Version Control, Git (Version Control System), HTML and CSS, Web Design and Development, Web Development, Web Development Tools, Web Design, Front-End Web Development, Web Content Accessibility Guidelines, Debugging, Semantic Web, Web Analytics and SEO, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Serverless Computing, Cloud Security, Containerization, Data Governance, Cloud Management, Artificial Intelligence and Machine Learning (AI/ML), Encryption, Google Cloud Platform, Cloud Infrastructure, Digital Transformation, Google App Engine, Cloud Solutions, Cloud Computing, Real Time Data, Data Security, Cyber Threat Intelligence, Looker (Software), Dataflow, Data Storage, Artificial Intelligence
Beginner · Specialization · 3 - 6 Months