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.
Codio
Skills you'll gain: Matplotlib, Version Control, Text Mining, GitHub, Large Language Modeling, Django (Web Framework), Git (Version Control System), Package and Software Management, Platform As A Service (PaaS), Plot (Graphics), Application Deployment, Object-Relational Mapping, Hugging Face, Natural Language Processing, Data Visualization Software, Unit Testing, Statistical Visualization, Development Environment, Cloud Hosting, Python Programming
★ 3.9 (24) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: GitHub Copilot, Object Oriented Design, Object Oriented Programming (OOP), Game Design, Unit Testing, Python Programming, AI Enablement, Program Development, GitHub, Development Environment, Debugging
★ 4.7 (11) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Canva (Software), Animations, Instagram, Creative Design, Social Media Content, Content Creation, Digital Design, Graphic Design, Graphic and Visual Design, Design Elements And Principles, Design, Design Software, Real Estate
★ 4.1 (34) · Beginner · Guided Project · Less Than 2 Hours
Skills you'll gain: Web Content Accessibility Guidelines, User Interface (UI), Usability, Web Design, Web Design and Development, Hypertext Markup Language (HTML), Front-End Web Development, UI Components, HTML and CSS, Semantic Web, Cascading Style Sheets (CSS), Javascript
★ 4.7 (36) · Intermediate · Guided Project · Less Than 2 Hours

Logical Operations
Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Dashboard Creation, Business Reporting, Data Transformation, Business Intelligence, Data Visualization Software, Business Intelligence Software, Dashboard, Data Analysis, Microsoft Excel, Data Visualization, Data Cleansing, Data Modeling, Data Analysis Software, Microsoft PowerPoint, Microsoft 365, Microsoft Office, Collaboration, Data Import/Export
★ 4.4 (19) · Intermediate · Specialization · 3 - 6 Months

Kennesaw State University
Skills you'll gain: Prompt Engineering, Prompt Patterns, Responsible AI, Generative AI, Google Gemini, Gemini, Education Software and Technology, AI literacy, Anthropic Claude, ChatGPT, Artificial Intelligence, AI Enablement, AI Integrations
★ 4.9 (27) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Competitive Analysis, Customer Analysis, Customer Insights, Value Propositions, Company, Product, and Service Knowledge, Business Modeling, Competitive Intelligence, Business Analysis Tools, Presentations, Product Knowledge, Data Import/Export, Marketing, Collaborative Software
★ 4.6 (27) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Regression Analysis, Data Science, Statistical Machine Learning, Data-Driven Decision-Making, R Programming, Statistical Inference, Applied Machine Learning, Machine Learning, Statistical Methods, R (Software), Data Analysis
★ 4.5 (39) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: AWS Identity and Access Management (IAM), Identity and Access Management, Amazon Web Services, Patch Management, Amazon CloudWatch, Infrastructure Security, Threat Detection, Amazon S3, Vulnerability Scanning, Data Security, Cloud Security, Network Security, Threat Management, Incident Response, Data Governance, Security Assertion Markup Language (SAML), Authorization (Computing), Continuous Monitoring, Cyber Governance, Firewall
★ 4.4 (28) · Advanced · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Javascript, Application Programming Interface (API), Code Reusability, Software Design Patterns, Data Management, Data Structures, Web Development, Computational Logic, Programming Principles, Data Import/Export, Software Development, Software Engineering, Performance Tuning
★ 4.7 (19) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Canva (Software), Logo Design, Video Production, Graphic and Visual Design Software, Graphics Software, Graphic and Visual Design, Graphic Design, Video Editing, Content Creation, Social Media Marketing, Marketing Communications
★ 4.5 (39) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Graph Theory, Data Structures, Algorithms, Computational Thinking, Theoretical Computer Science, Computer Science, Computer Programming, Python Programming, Memory Management, Performance Tuning
★ 4.4 (33) · Intermediate · Course · 1 - 3 Months