Warner Bros Discovery Senior Software Engineer Interview Experience — Full Loop, No Offer After System Design Ran Long

Warner Bros Discovery·Software Engineer·Nov 2025
OnsiteHR ScreenTechnical ScreenSenior+Rejectedmedium

My Warner Bros. Discovery interview process, which dragged on for over a month, is finally over.

CNN division - JS Senior Full Stack

HR screening - they got to know my background, my reasons for job searching, and touched on a few technical-related questions.

Technical Screening - live coding, with two Senior developers on the other side. Very simple: given an array and an integer k, shift left by k, then right shift.

The next day HR gave me interview feedback - very positive. They scheduled the Final round: 3 hours, 3 rounds back to back.

System design
Behavioral - Hiring Manager
Coding

System design - design an ad content delivery system + A/B testing

Behavioral - HR gives you a booklet before the interview, and you prepare a few stories based on the core values in it.

Coding - another round of live coding, string matching. Input a CSV and a single keyword, return the row number and position where that word appears. Variant: multiple keywords.

I didn't manage my time well on the system design round, things moved slowly, and in the end there was no time to deep dive - that's probably the main reason I got rejected.

Even though I felt I did well in the last two rounds, I still didn't get an offer.

Still job searching.

Published

Curated and edited by PracHub

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Interview at a glance

Company
Warner Bros Discovery
Role
Software Engineer
Level
Senior+
Rounds
HR Screen → Technical Screen → Onsite
Outcome
Rejected
Difficulty
medium
Interview date
Nov 2025
Questions from this interview
2 questions

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