American Express (Amex) | Engineer 1 | Bengaluru | April 2024 - OFFER

Round 1 (Technical)

Questions:

• Write a Spring Boot application for getting an employee object when /api/v1/employee is called. Had to code it in my editor of choice and start the application.
• Explain the difference between persist and save in Hibernate.
• Provide an example of a cross join in a database.
• Explain SOLID principles with examples.
• Answer questions specific to Kafka, as it was mentioned in the job description.

Round 2 (HM round)

Questions:

• Questions on current project architecture.
• Discussion on the current project deployment lifecycle.
• Questions on Terraform, as I mentioned my experience with it.
• JUnit and Mockito related questions.
• Discussion on what happens during a card swipe transaction. Initially, I answered vaguely based on my memory from Alex Xu's article, but the interviewer patiently explained the process.
• Around 3-4 standard managerial questions.