Swiggy SDE 1 Interview Experience | Dec25 | Backend Engineer | SDE 1 Interview Leetcode | Bangalore
Anonymous User
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Dec 19, 2025
Jan 03, 2026

How I applied : Received OA Link from HR directly.

Round 1 : Online Assessment - There were 3 Leetcode Medium Problems
Problem 1 - Sliding Window
Problem 2 - Shortest Path in a Graph
Problem 3 - Array problem on nth root

Round 2 : DSA + Java and Springboot Basics (This was Conducted via a third Party App)
DSA Question - Count the number of binary trees which can be generated by taking numbers from 1 to n

For this I discussed Brute Force + DP Solution

Java and Spring Boot Questions

What is JDK, JRE and JVM?
What is Garbage Collection in Java, explain in detail.
What is @EnableAutoConfiguration?
What is Dependency Injection ?

Round 3 : LLD Round
I was asked to Design a cart with some basic functionalities like adding an item to cart, payment , applying discounts in different ways and then add functionalities which I coould be done within the time limit.

I clarified the problem statement, all the requirements and constraints and then we discussed the approach.
For discounts I used Strategy Design Pattern, also I made sure to discuss each and every contraint and assumptions with interviewer before proceeding. The interviewer was nice and was involved in the interview.

Round 4: HM Round
Started with in depth discussion of my current project, all things like scope, requirements, how was it implemented, was any prod issue created because of this and how did you handle this? What could have been done better during prod issue.

Then he asked me some questions related to SQL and databases.
He asked me to rate myself in my tech stack.
Some behavioral Questions.
Why I wanted to join Swiggy?
DP Problem on Unbounded Knapsack
He also told me about his work and if everything goes well then on what tech stack will I work.

Waiting for the final feedback from HR.
Update:- Got a call from HR that I am selected.

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