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: Ggplot2, Model Evaluation, Plot (Graphics), Regression Analysis, Predictive Analytics, Predictive Modeling, Statistical Visualization, Data-Driven Decision-Making, Statistical Modeling, R Programming, Descriptive Statistics, R (Software), Exploratory Data Analysis, Descriptive Analytics, Statistical Analysis, Data Analysis
★ 4.2 (13) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Team Management, Team Performance Management, People Management, Project Management Software, Collaborative Software, Telecommuting, Time Management, Project Management, Payroll Processing, Management Reporting, Product Demonstration, Billing, Leadership
★ 4.9 (14) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Databricks, CI/CD, Microsoft Azure, Data Architecture, Integration Testing, Continuous Integration, Continuous Deployment, Data Infrastructure, Data Pipelines, IT Automation, Data Integration, Data Security, Automation, Data Storage, Security Controls
★ 4.8 (15) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Usability Testing, Usability, Figma (Design Software), Responsive Web Design, User Experience Design, Interaction Design, User Experience, User Centered Design, UI/UX Research, Prototyping, User Interface and User Experience (UI/UX) Design, Software Design Documents, Style Guides, Design Specifications, Mockups, Software Documentation, User Interface (UI) Design, UI Components, Wireframing
★ 5 (8) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard Creation, Dashboard, Data Preprocessing, Interactive Data Visualization, Data Visualization Software, Real Time Data, Data Analysis, Application Programming Interface (API), No-Code Development, JSON, Javascript
★ 4.3 (18) · Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Stored Procedure, PL/SQL, SQL, Database Design, Database Management, Query Languages, Database Management Systems, Data Access, Databases, Database Systems, Java, Java Programming, JUnit
★ 4.3 (10) · Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Data Literacy, Statistical Hypothesis Testing, Scientific Methods, Data Analysis, Statistical Reporting, Experimentation, Science and Research, Research Design, Analytical Skills, General Science and Research, Research, Peer Review, Probability & Statistics, Journalism, Statistical Inference, Statistical Methods, Media and Communications, Research Methodologies
★ 4.7 (18) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Management, Cloud Security, Application Security, Open Web Application Security Project (OWASP), Cloud Computing, Cloud Infrastructure, Cloud Applications, Identity and Access Management, Data Integrity, Secure Coding, DevSecOps, Security Awareness, Cloud Computing Architecture, Data Centers, Data Management, IT Security Architecture, General Data Protection Regulation (GDPR), Security Engineering, Cyber Risk, Service Level
★ 4.6 (13) · Advanced · Specialization · 1 - 3 Months

Skills you'll gain: Rmarkdown, Autoencoders, Shiny (R Package), Deep Learning, Recurrent Neural Networks (RNNs), Transfer Learning, Model Evaluation, R (Software), Artificial Intelligence and Machine Learning (AI/ML), Data Import/Export, Classification Algorithms, Reinforcement Learning, R Programming, Machine Learning Methods, Model Training, Ggplot2, Plot (Graphics), Data Manipulation, Convolutional Neural Networks, Machine Learning Algorithms
★ 4.8 (8) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: React.js, JavaScript Frameworks, Front-End Web Development, Javascript, UI Components, Programming Principles, Dataflow
★ 4.3 (13) · Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Matplotlib, Object Oriented Programming (OOP), Plotly, Seaborn, Data Visualization Software, Object Oriented Design, Data Visualization, Pandas (Python Package), NumPy, Statistical Visualization, Plot (Graphics), Interactive Data Visualization, Data Presentation, Software Documentation, Scatter Plots, Technical Documentation, Data Structures, Maintainability, Data Import/Export, Data Manipulation
★ 4.6 (16) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Blockchain, Application Deployment, Integrated Development Environments, Development Testing, Web Development Tools, Program Development, Cryptographic Protocols, Javascript, Scripting
★ 4 (6) · Beginner · Guided Project · Less Than 2 Hours