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 and C++, Object Oriented Programming (OOP), C++ (Programming Language), Data Validation, Data Integrity, Computer Programming, Computer Science
★ 4.8 (230) · Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Customer Analysis, Business Planning, Sales Strategy, Sales Pipelines, Customer Insights, Sales Management, Entrepreneurship, Sales Process, Market Analysis, Innovation, Marketing Planning, Marketing, Market Research, Product Management, Product Development, Commercialization, New Business Development, Process Validation, Business Strategies, Finance
★ 4.7 (275) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Applied Machine Learning, Jupyter, Machine Learning Algorithms, Model Evaluation, Machine Learning, Model Training, Predictive Modeling, Data Science, Python Programming, Predictive Analytics, Data Analysis
★ 4.6 (214) · Intermediate · Guided Project · Less Than 2 Hours

Northwestern University
Skills you'll gain: Machine Controls, Robotics, Control Systems, Process Control, Graph Theory, Algorithms, Virtual Environment, Simulation and Simulation Software, Mathematical Modeling, Data Structures, Torque (Physics)
★ 4.9 (139) · Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Incident Response, Computer Security Incident Management, Incident Management, Threat Management, Cybersecurity, Endpoint Detection and Response, Cyber Attacks, Cyber Threat Intelligence, Digital Forensics, Intrusion Detection and Prevention, Threat Detection, Network Security, Network Monitoring, Data Security, Business Continuity, Network Analysis, Exploitation techniques, Malware Protection, Memory Management, Analysis
★ 4.7 (274) · Beginner · Specialization · 3 - 6 Months
Universidad Austral
Skills you'll gain: Server Side, Node.JS, Back-End Web Development, Restful API, Web Development, MongoDB, Application Deployment, OAuth, Web Servers, Application Programming Interface (API), API Design, Web Applications, Cloud Deployment, Authentications, Object-Relational Mapping, NoSQL, Data Persistence, Software Testing, Routing Protocols
★ 4.2 (112) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: ASP.NET, .NET Framework, Model View Controller, Web Applications, Middleware, Debugging, Application Deployment, Application Development, Development Environment, Software Testing, Microsoft Development Tools, Cross Platform Development, Software Architecture, Network Routing, Open Source Technology, Command-Line Interface
★ 4 (79) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Application Deployment, Web Applications, Application Servers, Java, Web Servers, Java Programming, Object-Relational Mapping, Web Development, Context Management, Application Frameworks, Scripting Languages, Scripting, Middleware, Server Side, Data Storage, Data Sharing, Data Persistence, Event-Driven Programming, Enterprise Application Management
★ 4.6 (219) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Collaborative Software, Google Docs, Microsoft Word, Microsoft Office, Document Management, Productivity Software, Office Administration, Editing, Writing and Editing, Writing, Cloud Applications
★ 4.7 (127) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Google Sheets, Exploratory Data Analysis, Statistical Analysis, Data Analysis, Data Presentation, Spreadsheet Software, Data Visualization, Graphing, Statistics, Data Science, Data Manipulation
★ 4.7 (201) · Beginner · Guided Project · Less Than 2 Hours
Georgia Institute of Technology
Skills you'll gain: Cloud Development, Cloud Applications, Cloud Computing, Cloud Infrastructure, Distributed Computing, Cloud Computing Architecture, Cloud Platforms, Virtualization, Data Store, Multi-Tenant Cloud Environments, Virtual Machines, Application Frameworks, Virtualization and Virtual Machines, Cloud Management, Data Storage Technologies, Scalability
★ 4.6 (319) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Javascript, Back-End Web Development, Server Side, Front-End Web Development, Hypertext Markup Language (HTML), Scripting, Event-Driven Programming, JavaScript Frameworks, Web Applications, Mobile Development, HTML and CSS, Web Development, Scripting Languages, Event Monitoring, Code Reusability
★ 4.3 (290) · Beginner · Guided Project · Less Than 2 Hours