JioHotstar SDE 1 | Interview Experience

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jiohotstar
Backend Engineer1.8 years
July 22, 20259 reads

Summary

I recently interviewed with JioHotstar for a Backend Engineer role. The process involved multiple rounds covering DSA, LLD, HM, and a bar raiser system design, but I did not receive an offer.

Full Experience

I recently interviewed with JioHotstar for a Backend Engineer role with ~1.8 years of experience. The process started after a call from the hiring manager, followed by an HR screening.

  • The first round focused on a tough DSA problem: Max sum of two non-overlapping subarrays using prefix sum + sliding window. The second round included a valid parentheses question and a custom XML-like parser more about clean code and implementation.

  • The LLD round was on designing a stock exchange order matcher, where I used priority queues and explained scalability. The HM round mixed behavioral and technical questions around past projects, decision-making, and impact metrics.

  • Finally, the bar raiser was a high-level system design — I built a Swiggy-like system, discussed microservices, queues, and real-time challenges.

Although I didn’t get the offer, the process was fast and insightful. Great learning in terms of depth, articulation, and real-world design prep!

Interview Questions (5)

Q1
Max Sum of Two Non-Overlapping Subarrays
Data Structures & AlgorithmsHard

A tough Data Structures & Algorithms problem: Find the maximum sum of two non-overlapping subarrays.

Q2
Valid Parentheses
Data Structures & Algorithms

A question about validating parentheses.

Q3
Custom XML-like Parser
Data Structures & Algorithms

Implement a custom XML-like parser, focusing on clean code and implementation.

Q4
Design a Stock Exchange Order Matcher
System Design

Design a low-level system for a stock exchange order matcher.

Q5
Design a Swiggy-like System
System Design

Design a high-level system similar to Swiggy (a food delivery platform).

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