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: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Javascript, Web Design, Event-Driven Programming, Web Design and Development, Development Environment, Web Development, Integrated Development Environments, Scripting, Web Applications, Hypertext Markup Language (HTML), Programming Principles, Graphic and Visual Design, Front-End Web Development, Interactive Design, Animations, Software Installation, Web Analytics and SEO
★ 5 (7) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Matplotlib, Data Storytelling, Data Presentation, Interactive Data Visualization, Data Visualization, Plot (Graphics), Scientific Visualization, Statistical Visualization, Data Visualization Software, Box Plots, Storytelling, Image Quality, Python Programming, Design, Software Installation
★ 4.3 (16) · Mixed · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: MLOps (Machine Learning Operations), Large Language Modeling, LLM Application, Jupyter, AI Workflows, Model Training, Software Versioning
★ 4.7 (10) · Intermediate · Project · Less Than 2 Hours

Infosec
Skills you'll gain: C and C++, Exploit development, C (Programming Language), Security Testing, C++ (Programming Language), Secure Coding, Application Security, System Programming, Debugging, Vulnerability Assessments, Interoperability, White-Box Testing
★ 2.7 (7) · Mixed · Course · 1 - 4 Weeks

University of Virginia
Skills you'll gain: User Story, Agile Product Development, Product Development, Design Thinking, Team Oriented, Persona (User Experience), Team Building, Product Requirements, Agile Methodology, User Research, Usability Testing, User Centered Design, Persona Development, Agile Project Management, Innovation, User Feedback, Value Propositions
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Continuous Delivery, Jenkins, Continuous Deployment, CI/CD, Kubernetes, Cloud Deployment, Continuous Integration, Application Deployment, Google Cloud Platform, Devops Tools, Build Tools
★ 3.2 (6) · Intermediate · Project · Less Than 2 Hours

Skillshare
Skills you'll gain: Instagram, Canva (Software), Content Performance Analysis, Web Content Accessibility Guidelines, Image Quality, Photography, Marketing Psychology, Photo Editing, Content Scheduling, Content Creation, Social Media Content, Marketing Design, Visual Storytelling, Performance Analysis, Graphic and Visual Design, Content Strategy, Driving engagement, Social Media, Content Development and Management, Productivity
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Customer Relationship Management, Customer experience strategy (CX), Case Studies, Brand Loyalty, Customer Relationship Building, Customer experience improvement, Customer Analysis, Customer Retention, Customer Engagement, Organizational Strategy, Business Strategy, Competitive Analysis, Business Analysis, Auditing, Market Analysis
★ 4.5 (20) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Education Software and Technology, Digital pedagogy
★ 4.3 (12) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Generative AI Agents, Business Process Automation, Agentic Workflows, Generative AI, Automation, OpenAI, Multimodal Prompts, Slack (Software), AI Personalization, AI Integrations, Human Resources, Performance Metric, Performance Measurement, Key Performance Indicators (KPIs), Google Sheets, Application Programming Interface (API)
Beginner · Course · 1 - 4 Weeks

Sungkyunkwan University
Skills you'll gain: Regression Analysis, Predictive Analytics, Predictive Modeling, Investment Management, Risk Analysis, Investments, Machine Learning Methods, R Programming, Statistical Methods, Machine Learning, Statistical Analysis, Financial Analysis, Machine Learning Algorithms, R (Software), Logistic Regression, Financial Data
★ 4.8 (6) · Intermediate · Course · 1 - 4 Weeks
Starweaver
Skills you'll gain: Data Warehousing, Data Architecture, SQL, Business Intelligence, Data Pipelines, Data Modeling, Data Management, Data-Driven Decision-Making, Query Languages, Business Analytics, Data Transformation, Performance Tuning, Cloud Computing, Cloud Management, Scripting, Python Programming
★ 4.3 (7) · Advanced · Course · 1 - 4 Weeks