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.

Coursera
Skills you'll gain: Azure Synapse Analytics, Microsoft Azure, Microsoft SQL Servers, SQL, Database Management, Databases, Data Integration, Managed Services, Data Migration, Cloud Services
Intermediate · Guided Project · Less Than 2 Hours
Skills you'll gain: Google Sheets, Graphing, Data Presentation, Spreadsheet Software, Scatter Plots, Pivot Tables And Charts
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Cryptography, Network Security, OSI Models, Public Key Infrastructure, Network Protocols, Encryption, Remote Access Systems, Firewall, Brute-force attacks, Emerging Technologies, TCP/IP, Wireless Networks, Authentications
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: IT Security Architecture, Incident Response, Endpoint Security, Zero Trust Network Access, Risk Analysis, Network Security, Risk Mitigation, Cyber Governance, Compliance Auditing, Event Monitoring, Application Security, Cyber Security Policies, Cyber Risk, Computer Security, Governance, Data Security, Information Systems Security, Infrastructure Security, Mobile Security, Risk Management
Intermediate · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Cloud Deployment, Application Deployment, Containerization, Continuous Deployment, Docker (Software), Cloud Applications, CI/CD, Application Security, Serverless Computing
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Descriptive Statistics, Model Evaluation, Feature Engineering, Probability & Statistics, Supervised Learning, Statistical Hypothesis Testing, Exploratory Data Analysis, Box Plots, Regression Analysis, Statistics, Predictive Modeling, Time Series Analysis and Forecasting, Data Science, Histogram, Data Visualization, Statistical Analysis, Integrated Development Environments, Computer Networking, Python Programming, Server Side
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Command-Line Interface, Unix Commands, Remote Access Systems, Linux Commands, System Configuration, Computer Hardware, Networking Hardware, Embedded Systems, Python Programming, Operating Systems, File Management, Peripheral Devices, Software Installation
Beginner · Course · 3 - 6 Months

Skills you'll gain: Application Security, System Programming, Secure Coding, C++ (Programming Language), C (Programming Language), Debugging, Interoperability, File I/O, Data Validation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Extensible Markup Language (XML), Ajax, Extensible Languages and XML, Web Design, Java Platform Enterprise Edition (J2EE), Data Validation, Web Applications, Scripting, Javascript and jQuery, Web Development, Android Development, Hypertext Markup Language (HTML), Middleware, Model View Controller, Hibernate (Java), Visualization (Computer Graphics), Interoperability, Java, Cascading Style Sheets (CSS), Mobile Development
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Health Information Management, Regulatory Compliance, Data Management, Health Care, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Data Security, Telehealth, Security Management, Information Privacy, Electronic Medical Record, Threat Management, Emerging Technologies, Information Technology, Interoperability
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Application Performance Management, Software Design Patterns, Java, Enterprise Architecture, Secure Coding, Model View Controller, Software Architecture, Application Security, Maintainability, Continuous Monitoring, Debugging, Scalability
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Claude Code, Vibe coding, Anthropic Claude, Model Context Protocol, Application Development, Command-Line Interface, Application Design, Programming Principles, Generative AI, Automation, Generative AI Agents, Image Analysis, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems
Intermediate · Course · 1 - 4 Weeks