A Behat developer is a software professional who uses the Behat testing framework to implement Behavior-Driven Development (BDD) in PHP applications. Their main responsibility is to write and execute tests that ensure the software behaves as expected in various scenarios. Here are some detailed tasks a Behat developer does: . Writing Feature Files: Behat developers write feature files that describe the behavior of the software under various conditions. These files are written in Gherkin language, a human-readable and domain-specific language that allows non-technical stakeholders to understand the testing scenarios. . Implementing Step Definitions: Once the feature files are written, Behat developers implement step definitions for each step in the scenario. These step definitions are written in PHP and they provide the actual code that will be executed when the test is run. . Running Tests: Behat developers use the Behat testing framework to execute the tests. They ensure the tests pass and if any fail, they work with the development team to identify and resolve the issues causing the failure. . Debugging: Behat developers debug test failures by investigating the cause of the failure, which may involve analyzing the code, checking for data inconsistencies, or looking for environmental issues that could be affecting the test. . Reporting: Once the tests have been run, Behat developers generate and share reports detailing the results of the tests. This includes information on which tests passed, which failed, and any errors or issues that were encountered. . Collaboration: Behat developers often work closely with other software developers, quality assurance professionals, product managers, and sometimes even clients. They help to define the expected behavior of the system, write test scenarios, and ensure that the developed features meet the expected behavior. . Continuous Integration: Behat developers often work in environments that use Continuous Integration/Continuous Deployment (CI/CD). In such environments, they may be responsible for integrating Behat tests into the CI/CD pipeline to ensure that tests are run automatically whenever code is committed or deployed. . Maintenance: Over time, as the software evolves, Behat developers update and maintain the testing scenarios to ensure they continue to accurately represent the expected behavior of the system.