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.

Scrimba
Skills you'll gain: Bootstrap (Front-End Framework), Responsive Web Design, HTML and CSS, UI Components, Web Design and Development, Front-End Web Development, Cascading Style Sheets (CSS), Web Development, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Functional Design, Functional Testing, Event-Driven Programming, Software Design Patterns, Object Oriented Programming (OOP), Data Structures, Simulations
Intermediate · Course · 1 - 3 Months

Pearson
Skills you'll gain: Network Architecture, General Networking, Network Infrastructure, Computer Networking, OSI Models, Network Switches, Network Engineering, Local Area Networks, Network Planning And Design, Networking Hardware, Network Protocols, Network Model, Infrastructure As A Service (IaaS)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ubuntu, Linux, Linux Administration, Bash (Scripting Language), Linux Commands, Operating System Administration, Unix Shell, File Management, Unix Commands, Shell Script, Command-Line Interface, File Systems, grep, Software Installation, System Configuration, File I/O
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data-Driven Decision-Making, Data Management, Data Manipulation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, JavaScript Frameworks, Web Frameworks, Authentications, MongoDB, Postman API Platform, Restful API, Server Side, Middleware, JSON, Application Programming Interface (API), Web Development Tools, Web Applications, Javascript, Back-End Web Development, API Testing, NoSQL
Intermediate · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Machine Learning Algorithms, Model Evaluation, Statistical Analysis, Data Visualization, Data Analysis, Exploratory Data Analysis, Statistical Methods, Data Presentation, Analysis, Probability & Statistics, Data Cleansing, Applied Machine Learning, Analytics, Machine Learning, Data Preprocessing, Data Processing, Model Training, Correlation Analysis, Decision Tree Learning, Logistic Regression
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Secure Coding, Penetration Testing, Security Testing, Application Security, Event Monitoring, Exploit development, Cyber Security Assessment, Payment Systems, Continuous Monitoring, Blockchain, Incident Response, Vulnerability Scanning, Patch Management, Code Review, Incident Management, Development Testing, Authorization (Computing), Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Analysis Expressions (DAX), Dashboard Creation, Power BI, Gross Profit, Dashboard, Data Modeling, Data Import/Export, Interactive Data Visualization, People Analytics, Data Analysis, Data Cleansing, Business Reporting, Market Data, Data Transformation, Data-Driven Decision-Making, Case Studies, Data Wrangling, Business Intelligence, Data Manipulation, Business Analysis
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Responsible AI, Microsoft Copilot, Generative AI, Training and Development, ChatGPT, Education Software and Technology, Training Programs, AI literacy, Developing Training Materials, AI Integrations, Innovation, Case Studies, Automation, Design Strategies, Program Evaluation
Intermediate · Course · 1 - 4 Weeks

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
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Tableau Software, Data Transformation, Data Integration, Pivot Tables And Charts, Data Maintenance, Data Visualization Software, Data Wrangling, Relational Databases, Data Management, Advanced Analytics, Data Manipulation, Data Analysis, Analytics, Data Cleansing, Data Quality, Data Import/Export, Forecasting
Intermediate · Course · 1 - 4 Weeks