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.

University of Michigan
Skills you'll gain: Unified Modeling Language, JSON, Object Oriented Programming (OOP), File I/O, Software Design, Software Design Documents, Debugging, Object Oriented Design, Data Processing, Diagram Design, Unit Testing, Programming Principles, Program Development, Python Programming, Data Import/Export, Data Wrangling, Restful API, Image Analysis, Data Manipulation, Computer Programming
★ 4.8 (23K) · Beginner · Specialization · 3 - 6 Months

California Institute of the Arts
Skills you'll gain: Graphic and Visual Design, Graphic Design, Graphic and Visual Design Software, Visual Design, Design, Color Theory, Design Elements And Principles, Creative Design, Design Software, Conceptual Design, Design Reviews, Adobe Photoshop, Visual Storytelling, Design Strategies, Image Analysis, Creative Thinking, Creativity
★ 4.8 (18K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Prompt Patterns, Generative AI, Generative Model Architectures, Prompt Engineering Tools, Data Ethics, Generative AI Agents, AI Personalization, ChatGPT, Mobile Development, AI powered creativity, AI literacy, Multimodal Prompts, Software Design Documents, Software Design, Anthropic Claude, Mobile Development Tools, LLM Application, iOS Development, Software Development
★ 4.7 (12K) · Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Dashboard, Extract, Transform, Load, Data Storytelling, Data Visualization, Dashboard Creation, Database Design, Presentations, Data Presentation, Descriptive Statistics, IBM DB2, Business Intelligence, Data Visualization Software, Statistical Hypothesis Testing, Tableau Software, Relational Databases, Database Systems, Statistical Visualization, IBM Cognos Analytics, Interactive Data Visualization, Excel Formulas
★ 4.7 (16K) · Beginner · Professional Certificate · 3 - 6 Months

Multiple educators
Skills you'll gain: Email Security, Digital Forensics, Network Security, Cloud Infrastructure, Incident Response, Incident Management, Cloud Platforms, Business Continuity Planning, Penetration Testing, Computer Security Incident Management, Business Continuity, Security Controls, System Configuration, Generative AI, Data Storage, Peripheral Devices, Cybersecurity, Application Security, Information Technology, Cryptography
★ 4.7 (16K) · Beginner · Professional Certificate · 3 - 6 Months
Skills you'll gain: Data Cleansing, Sampling (Statistics), Data Integrity, Data Quality, Data Processing, Data Analysis, Data Transformation, Data Validation, Data Manipulation, Analytics, Sample Size Determination, SQL, Spreadsheet Software
★ 4.8 (19K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Django (Web Framework), Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Back-End Web Development, Relational Databases, Object Oriented Programming (OOP), Database Management Systems, Bootstrap (Front-End Framework), Database Management, Code Reusability, Database Theory, SQL, Database Design, Front-End Web Development, Unit Testing, MySQL, Computer Programming, Pseudocode, Communication
★ 4.7 (18K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Prompt Patterns, Generative AI, Generative Model Architectures, Prompt Engineering Tools, Data Ethics, Generative AI Agents, ChatGPT, Model Deployment, AI literacy, Restful API, Multimodal Prompts, Software Design Documents, Software Design, AI Integrations, Application Deployment, AI powered creativity, LLM Application, Software Architecture, Java Programming
★ 4.7 (12K) · Intermediate · Specialization · 3 - 6 Months

Intuit
Skills you'll gain: Financial Statement Analysis, Bookkeeping, Reconciliation, Financial Statements, Fixed Asset, Inventory Control, Depreciation, Payroll, Asset Management, Financial Analysis, Ledgers (Accounting), Financial Accounting, Financial Reporting, Payroll Administration, Inventory Accounting, Accounting, Balance Sheet, Payment Processing and Collection, Financial Acumen, Payroll Processing
★ 4.6 (8.4K) · Beginner · Professional Certificate · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: HTML and CSS, Web Design and Development, Front-End Web Development, Responsive Web Design, Web Applications, Web Design, Ajax, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Web Development, Web Development Tools, Development Environment, Javascript, Frontend Performance, Web Content Accessibility Guidelines, Server Side, Semantic Web, Software Installation
★ 4.7 (17K) · Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: R (Software), Statistical Analysis, R Programming, Statistical Programming, Statistical Methods, Data Analysis, Debugging, Simulations, Program Development, Programming Principles, Software Installation, Data Structures, Performance Tuning, Data Import/Export
★ 4.5 (22K) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Prompt Patterns, ChatGPT, Generative AI, LLM Application, AI literacy, Model Evaluation, Image Quality
★ 4.7 (8.1K) · Beginner · Course · 1 - 4 Weeks