During the interview process for the Application Engineer (Full Stack) position at Discover, my experience was mixed. The interviewer was exceptionally kind, creating a comfortable atmosphere. However, the technical round felt challenging as it focused heavily on my resume and included vague questions that resembled a system design interview rather than a traditional technical assessment. Unfortunately, my lack of preparation for this format led to my application being rejected after the initial round.

Design Zelle money send feature?

Mention the design principles you worked with.

Other questions related to microservices, Kubernetes, Docker, Spring WebFlux, etc.