Tell me more about your last place of work and a complex integration test case that you remember.

At my last job, I participated in testing a complex integration case involving the interaction of multiple microservices in an e-commerce system. The task was to verify the correct processing of an order from its creation to delivery, including payment, status updates, and notifications.

The complexity lay in the fact that each service had its dependencies and asynchronous processes, which required careful synchronization and mocking of external calls. For testing, I used automated scenarios with a testing framework and tools for simulating services (mock servers).

As a result, we identified several issues with timeouts and incorrect error handling, which helped improve the stability and reliability of the entire chain.