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: C++ (Programming Language), System Programming, Algorithms, Performance Tuning
Advanced · Course · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Cloud Development, Event-Driven Programming, Cloud Applications, Microservices, C# (Programming Language), Distributed Computing, Cloud Services, Cloud Storage, Real Time Data
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Color Theory, Typography, Cascading Style Sheets (CSS), Web Content Accessibility Guidelines, Web Design, HTML and CSS, Animations, User Interface (UI) Design, Web Design and Development, Usability, Visualization (Computer Graphics)
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Customer Analysis, Unsupervised Learning, Customer Insights, Marketing Analytics, Applied Machine Learning, Data Analysis, Web Analytics, Retail Store Operations, Machine Learning, Machine Learning Algorithms, Histogram, Decision Tree Learning, Model Evaluation, Pandas (Python Package)
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), React.js, HTML and CSS, Front-End Web Development, UI Components, Maintainability, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Red Hat Enterprise Linux, Command-Line Interface, Linux Administration, User Accounts, Linux, Operating System Administration, Software Installation, System Configuration, Systems Administration, Security Controls, File Management, System Monitoring, User Interface (UI)
Mixed · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Sampling (Statistics), Sample Size Determination, Data Collection, Surveys, Statistical Methods, Quantitative Research, Probability & Statistics, Research Design, Statistical Software
Beginner · Course · 1 - 3 Months

Skills you'll gain: Dataflow, Google Cloud Platform, Data Pipelines, Real Time Data, Data Analysis Software, Data Visualization Software, Big Data, Databases, Tensorflow
Advanced · Project · Less Than 2 Hours

Skills you'll gain: Software Design Patterns, Object Oriented Programming (OOP), Javascript, Maintainability, Application Design, Scripting Languages, Event-Driven Programming, Prototyping, Context Management
Advanced · Course · 1 - 3 Months

Ball State University
Skills you'll gain: Statistical Methods, Probability & Statistics, Statistical Modeling, Statistical Programming, Statistical Analysis, Probability Distribution, Statistical Inference, Bayesian Statistics, Data Science, Sampling (Statistics), Statistical Hypothesis Testing, R Programming, Dimensionality Reduction, Simulations, Statistical Visualization
Build toward a degree
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Data Science, R (Software), GitHub, Data Literacy, Version Control, Data Analysis, Big Data, R Programming, Git (Version Control System), Statistical Programming, Data Quality, Data Management
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: ASP.NET, Model View Controller, .NET Framework, Object-Relational Mapping, Database Management, Data Access, Full-Stack Web Development, Web Development, Web Applications, Software Architecture, Middleware, Software Design Patterns, User Interface (UI)
Intermediate · Course · 1 - 3 Months