Warner Bros. Discovery Software Engineer interview experience

One round was a system design problem where I had to design a scalable chat application, and we got into details like data storage, server architecture, and how I’d handle concurrent users. I had to walk through trade-offs and what scalability issues I expected.

There was also a coding-focused round that targeted data structures directly, where I implemented something like an LRU cache. The way it was discussed made it feel like they cared not just about getting to a correct approach but about how I’d choose an implementation strategy—like pairing a doubly-linked-list approach with a