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: Network Security, Network Troubleshooting, Software-Defined Networking, Network Monitoring, Threat Modeling, Virtual Networking, TCP/IP, Network Architecture, Computer Networking, Network Performance Management, Network Protocols, General Networking, Cybersecurity, Network Infrastructure, Local Area Networks, Network Analysis, OSI Models, Network Switches
Build toward a degree
Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Data Storytelling, Data Presentation, Interactive Data Visualization, Statistical Visualization, Data Visualization Software, Tableau Software, Data Ethics, Exploratory Data Analysis, Scatter Plots, Heat Maps, Data Integrity
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: SQL, Stored Procedure, Query Languages, MySQL, Database Management, Transaction Processing, Data Manipulation, Relational Databases
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Instagram, Social Media Campaigns, Social Media Marketing, Marketing Budgets, Social Media Content, Social Media, Marketing Materials, Content Creation, Graphic and Visual Design Software, Marketing, Data Visualization
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: GitHub, Git (Version Control System), Version Control, Unix Commands, Unix Shell, Software Versioning, Linux Commands, Command-Line Interface, Code Review, Software Configuration Management, Software Development Tools, Development Environment, Secure Coding, File Management, Debugging, Technical Documentation, Software Documentation
Intermediate · Specialization · 3 - 6 Months
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Functional Design, Software Design Patterns, Unit Testing, Data Structures, Simulations
Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Debugging, Unit Testing, Relational Databases, Object Oriented Programming (OOP), Databases, Data Visualization Software, Object Oriented Design, Web Scraping, Data Science, Creative Design, Data Structures, Scatter Plots, Programming Principles, File I/O, Integrated Development Environments, Software Visualization, Python Programming, Computer Programming, Program Development, Diversity and Inclusion
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Canva (Software), Content Creation, Visual Design, Design, Graphic and Visual Design, Design Elements And Principles
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Google Gemini, Code Review, Application Deployment, Continuous Deployment, Responsible AI, Software Development Tools, Google Cloud Platform, Generative AI, Prompt Engineering, Debugging, Application Development
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud API, JSON, Restful API, Application Programming Interface (API), Google Cloud Platform, Authentications, Network Protocols
Beginner · Project · Less Than 2 Hours

MedCerts
Skills you'll gain: Pulmonology, Medical Terminology, Cardiology, Respiratory Therapy, Medical Records, Immunology, Pathology, Hematology, Anatomy, Diagnostic Tests, Electocardiography, Laboratory Testing, Physiology
Beginner · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Classification Algorithms, Data Preprocessing, Feature Engineering, Model Evaluation, Data Import/Export, Matplotlib, Data Science, Regression Analysis, Financial Data, Data Analysis, Exploratory Data Analysis, Business Analytics, Data Cleansing, Pandas (Python Package), Machine Learning Algorithms, Statistical Visualization, Financial Analysis, Statistical Modeling, Statistical Analysis, Predictive Analytics
Advanced · Specialization · 3 - 6 Months