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Dream11 Software Development Engineer 2 Interview Experience

Software Development Engineer 2

Dream11
May 7, 2026
7 Questions
Selected

Summary

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The Dream11 interview experience comprised three rounds, with questions focusing on coding challenges, system design, and distributed systems. Candidates can expect to solve problems related to arrays and algorithmic thinking in the first round, followed by discussions on designing services, indexing techniques, and performance trade-offs in subsequent rounds. Overall, the interview was challenging, requiring a solid understanding of both technical concepts and practical applications.

1

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#1

Find Four Numbers That Add Up to Zero

Given an array of integers, identify four numbers that sum up to zero. Consider all possible combinations and provide an efficient algorithm to achieve this.
Arrays
Sums
Combinatorial
Medium
#2

Find First and Last Index in Sorted Array

In a sorted array, determine the first and last index of a specified element. Your solution should be efficient, utilizing binary search where appropriate.
Arrays
Binary Search
Medium
2

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#1

Design a Service for Finding Closest Restaurants

Design a service to identify the n closest restaurants to a user in real time. Explain the system architecture, including geospatial indexing, caching strategies, and considerations for scaling to millions of users.
Caching
Scalability
System Design
Geospatial Indexing
Medium
#2

Discuss Geospatial Indexing Techniques

Discuss the thought process behind designing a service for spatial queries. Address concepts such as geospatial indexing, caching, Haversine distance, and scaling for millions of users.
System Design
Geospatial Indexing
Medium
3

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#1

Explain Latency vs Throughput

What are the differences between latency and throughput in the context of distributed systems? Explain the trade-offs and why they are significant.
Performance
Distributed Systems
Medium
#2

Compare Kafka and RabbitMQ

Compare and contrast Kafka and RabbitMQ. Discuss their strengths, specific use cases, and scenarios where one would be preferable over the other.
Messaging Systems
Kafka
Rabbitmq
Medium
#3

Define Indexing in Databases

What is indexing in databases? Explain how it improves query performance and what happens internally to achieve this efficiency.
Database
Performance
Indexing
Medium
CodingSystem DesignDistributed SystemsGeospatial IndexingScalabilityDream11
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Dream11 Software Development Engineer 2 Interview Experience | InterviewRecap