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: Embedded Software, Embedded Systems, Debugging, Model Based Systems Engineering, Failure Analysis, Simulation and Simulation Software, Technical Communication, System Programming
★ 4.6 (244) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Relational Databases, Database Design, Database Development, SQL, Database Software, Database Management, Databases, Database Systems, Data Integrity
★ 4.6 (324) · Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Angular, HTML and CSS, JavaScript Frameworks, Hypertext Markup Language (HTML), Application Frameworks, Front-End Web Development, Javascript, Software Design Patterns, Java, Web Components, Code Reusability, Web Applications, Full-Stack Web Development, Cascading Style Sheets (CSS), Programming Principles, Web Design, Maintainability, Web Development, UI Components
★ 4.4 (117) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Google Sheets, Exploratory Data Analysis, Statistical Analysis, Data Analysis, Data Presentation, Statistical Methods, Spreadsheet Software, Data Visualization, Graphing, Data Science, Data Manipulation
★ 4.6 (214) · Beginner · Guided Project · Less Than 2 Hours

Universidad de los Andes
Skills you'll gain: Technical Analysis, Portfolio Management, Advanced Analytics, Financial Data, Investments, Financial Forecasting, Financial Trading, Investment Management, Financial Analysis, Financial Market, Risk Modeling, Financial Modeling, Analytics, Portfolio Risk, Predictive Analytics, Capital Markets, Performance Measurement, Time Series Analysis and Forecasting, Statistical Analysis, Market Trend
★ 4.7 (228) · Intermediate · Specialization · 1 - 3 Months

University of California, Irvine
Skills you'll gain: iOS Development, Apple iOS, User Interface (UI), Model View Controller, Core Data (Software), User Interface (UI) Design, UI Components, User Interface and User Experience (UI/UX) Design, Responsive Web Design, Mobile Development, Human Computer Interaction, Software Design, Geospatial Mapping, Animations, Data Persistence
★ 4.5 (189) · Mixed · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Programming Principles, Computer Programming, Code Reusability, Python Programming, Program Development, Software Installation, Computational Logic, Development Environment
★ 4.8 (106) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Photo/Video Production and Technology, Video Production, Content Creation, Social Media, User Accounts, Design, Creativity
★ 4.6 (192) · Beginner · Guided Project · Less Than 2 Hours

Universidad de los Andes
Skills you'll gain: Statistical Hypothesis Testing, Descriptive Statistics, Data Literacy, Statistical Methods, Data Analysis, Statistics, Regression Analysis, Sampling (Statistics), Statistical Analysis, Statistical Modeling, Probability & Statistics, Probability Distribution, Applied Mathematics, Statistical Inference, Analytical Skills, Correlation Analysis
★ 4.5 (150) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Simulations, Simulation and Simulation Software, Systems Thinking, Data Sharing, Environmental Science, Mathematical Modeling, Interactive Data Visualization, Biology, Storytelling, Life Sciences
★ 4.7 (209) · Beginner · Guided Project · Less Than 2 Hours

University of California, Davis
Skills you'll gain: SQL, Data Quality, Complex Problem Solving, Data Visualization, JSON, Query Languages, Business Metrics, Business Reporting, Data Validation, Data Cleansing, Data Presentation, Forecasting, Data Analysis, Predictive Analytics, Data Manipulation
★ 4.1 (26) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Capital Budgeting, Risk Mitigation, Risk Analysis, Project Risk Management, Risk Management, Project Finance, Financial Analysis, Cash Flows, Business Valuation, Cost Benefit Analysis, Financial Modeling, Return On Investment, Depreciation, Financial Statements, Business Metrics, Spreadsheet Software, Microsoft Excel
★ 4.8 (247) · Intermediate · Course · 1 - 3 Months