What types of testing have you used or undergone at your last workplace?

At my last job, I used the following types of testing:

• Functional testing — verifying that the functionality meets the requirements.
• Regression testing — ensuring that new changes haven't broken existing functionality.
• Integration testing — checking the interaction between modules.
• Automated testing — writing and running automated tests to speed up the verification process.
• Performance (load) testing — assessing the system's behavior under load.

For example, for a web application, I wrote automated tests using Selenium to verify key user scenarios.