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: Exploratory Data Analysis, NumPy, Data Visualization, Data Analysis, Plot (Graphics), Seaborn, Matplotlib, Statistical Visualization, Cloud Computing, Jupyter, Dimensionality Reduction, Data Science, Unsupervised Learning, Scikit Learn (Machine Learning Library), Machine Learning Methods, Numerical Analysis, Python Programming, Data Manipulation
★ 4.6 (298) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Jest (JavaScript Testing Framework), CI/CD, Model View Controller, User Acceptance Testing (UAT), Continuous Integration, Cucumber (Software), Postman API Platform, Ansible, Software Testing, OAuth, Web Development Tools, Behavior-Driven Development, Application Performance Management, Prometheus (Software), Authentications, Test Driven Development (TDD), Package and Software Management, Cloud API, Javascript, Software Engineering
★ 4 (58) · Beginner · Specialization · 3 - 6 Months

University of Virginia
Skills you'll gain: Design Thinking, Innovation, Journey Mapping, Process Design, Business Modeling, Business Architecture, Business Process, Business Strategy, Strategic Partnership, Growth Strategies, Customer Analysis, Value Propositions, Product Management, Resource Allocation, Customer Relationship Building, Customer Relationship Management
★ 4.6 (322) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Pandas (Python Package), NumPy, Data Manipulation, Code Reusability, Data Preprocessing, Data Wrangling, Package and Software Management, Data Analysis, Data Processing, Data Integration, JSON, Object Oriented Programming (OOP), Data Science, Data Structures, Python Programming, Exploratory Data Analysis, Programming Principles, Data Import/Export, Data Storage, Computational Logic
★ 4.8 (183) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Laboratory Experience, Laboratory Procedures, Laboratory Testing, Chemistry, Experimentation, Safety Standards, Product Design, Regulatory Compliance, Mathematical Modeling, Product Testing, Design Specifications, Personal protective equipment, Record Keeping, Quality Assurance, Product Development, Technical Documentation
★ 4.7 (131) · Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Mobile Development, Web Applications, Web Design and Development, Program Development, ChatGPT, GitHub, Front-End Web Development, Javascript, Application Deployment, Responsive Web Design, Video Game Development, Git (Version Control System), AI Integrations, Cascading Style Sheets (CSS), Database Development, Computer Programming, Database Application, Machine Learning
★ 4.6 (146) · Beginner · Course · 1 - 3 Months

Erasmus University Rotterdam
Skills you'll gain: Econometrics, Data Collection, Regression Analysis, Statistical Methods, Survey Creation, Data Compilation, Quantitative Research, Data Wrangling, Statistical Hypothesis Testing, Descriptive Statistics, Statistical Modeling, Statistical Analysis, Correlation Analysis, Probability Distribution
★ 4.1 (149) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Job Control Language (JCL), z/OS, Unix, IBM DB2, Database Management Systems, Mainframe Computing, Unix Shell, Operating System Administration, System Programming, Operating Systems, Unix Commands, System Software, Mainframe Technologies, Data Management, Data Storage Technologies, File Systems, Data Storage, System Configuration, File Management, Transaction Processing
★ 4.8 (379) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Angular, Unit Testing, JavaScript Frameworks, Testability, Test Driven Development (TDD), Test Case, Software Testing, Development Testing, Test Script Development, Test Tools, React.js, Integration Testing, UI Components
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Public Key Infrastructure, Key Management, Cryptography, Cryptographic Protocols, Encryption, Authentications, Algorithms
★ 4.7 (284) · Intermediate · Course · 1 - 4 Weeks
LearnQuest
Skills you'll gain: Containerization, File I/O, Package and Software Management, Unified Modeling Language, Software Testing, Docker (Software), Development Environment, Unit Testing, Application Deployment, Plot (Graphics), Pandas (Python Package), Scripting, Data Modeling, DevOps, Data Persistence, Programming Principles, Python Programming, Scripting Languages, Data Structures, Computer Programming
★ 4 (210) · Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Restful API, Secure Coding, Application Deployment, Web Development, API Design, Full-Stack Web Development, Security Controls, Scripting Languages, Cloud API, Software Documentation, Software Installation, Data Validation
★ 4.2 (200) · Intermediate · Course · 1 - 4 Weeks