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 Colorado Boulder
Skills you'll gain: Hardware Architecture, Microarchitecture, Bash (Scripting Language), Distributed Computing, Scalability, Memory Management, Shell Script, Computer Systems, File I/O, Big Data, Linux Commands, Cloud Development, C and C++, Computer Programming Tools, Linux, Computing Platforms, Data Import/Export, C++ (Programming Language), Communication Systems, C (Programming Language)
★ 3.8 (183) · Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Open Web Application Security Project (OWASP), Vulnerability Scanning, Proxy Servers, Security Testing, Penetration Testing, Vulnerability Assessments, Brute-force attacks, Test Tools, Web Scraping
★ 4.3 (290) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Storytelling, Email Marketing, Google Ads, Digital Advertising, Paid media, Social Media Analytics, Social Media Marketing, Search Engine Optimization, Google Analytics, Customer Retention, Digital Marketing, Marketing Budgets, Loyalty Programs, Order Fulfillment, Search Engine Marketing, Web Analytics, Online Advertising, Digital Marketing Tools, Marketing, E-Commerce
★ 4.9 (338) · Beginner · Professional Certificate · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Sustainable Development, Sustainable Design, Sustainable Systems, Sustainable Technologies, Sustainable Business, Organizational Leadership, Corporate Sustainability, Strategic Leadership, Environmental Resource Management, Business Leadership, Sustainable Architecture, Environment and Resource Management, Environmental Issue, Environment, Land Management, Climate Change Adaptation, Building Design, Climate Change Mitigation, Energy and Utilities, Economics
★ 4.7 (429) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Test Planning, Prompt Engineering, Version Control, OpenAI API, Debugging, Flask (Web Framework), Google Gemini, Software Design Patterns, Git (Version Control System), GitLab, Responsible AI, Infrastructure as Code (IaC), GitHub, Collaborative Software, Application Programming Interface (API), Mobile Development, Front-End Web Development, Back-End Web Development, Application Development, Artificial Intelligence and Machine Learning (AI/ML)
★ 4.5 (135) · Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Estimation, Model Evaluation, Mathematical Software, Simulation and Simulation Software, Model Optimization, Numerical Analysis, Mathematical Modeling, Fine-tuning, Applied Mathematics
★ 4.7 (254) · Intermediate · Course · 1 - 3 Months

University of Virginia
Skills you'll gain: Employee Engagement, Management Training And Development, Drive Engagement, Team Management, Strategic Planning, Case Studies, People Development, Employee Performance Management, Team Building, People Management, Human Resource Strategy, Growth Strategies, Leadership Development, Entrepreneurship, Human Capital, Plan Execution, Organizational Development, Planning, Innovation, Business Intelligence
★ 4.8 (246) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Trend Analysis, Data Manipulation, Data Analysis, SAS (Software), Exploratory Data Analysis, Data Transformation, Analytics, Data Visualization, Interactive Data Visualization, Data Visualization Software, Data Presentation, Business Reporting, Statistical Visualization, Business, Statistical Programming
★ 4.8 (365) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: LangGraph, AI Workflows, Agentic Workflows, AI Orchestration, Generative AI Agents, Agentic systems, LangChain, LLM Application, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Prompt Patterns, Retrieval-Augmented Generation, Tool Calling, Responsible AI, Risking, Context Management, Software Development, Python Programming, Data Science
★ 4.6 (114) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Flutter (Software), Mobile Development, iOS Development, Apple iOS, Mobile Development Tools, User Interface (UI), User Interface (UI) Design, Android Development, Other Mobile Programming Languages, User Interface and User Experience (UI/UX) Design, Application Development, UI Components, Cross Platform Development, Application Programming Interface (API), Software Development Tools, Application Frameworks, Development Environment, Debugging, Software Development
★ 4.4 (171) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Video Editing, TikTok, Content Performance Analysis, Canva (Software), Photo/Video Production and Technology, Visual Storytelling, Content Scheduling, Graphic and Visual Design, Graphic Design, Graphic and Visual Design Software, Content Optimization, ChatGPT, Storytelling, Social Media Content, Content Creation, Videography, Social Media Strategy, Analytics, Video Production, Marketing
★ 4.4 (207) · Beginner · Specialization · 3 - 6 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Video Game Development, Game Design, Unity Engine, Software Design Documents, Conceptual Design, Design, Experience Design, Design Elements And Principles, Interactive Design, Usability, Software Documentation, Storytelling
★ 4.6 (333) · Mixed · Course · 1 - 4 Weeks