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Delhivery Software Developer Interview Questions, Process, and Tips

Updated 18 Oct 2024

Top Delhivery Software Developer Interview Questions and Answers

  • Q1. Rotting Oranges Problem Statement You are given an undirected and disconnected graph G(V, E) with V vertices numbered from 0 to V-1 and E edges. Your task is to perform ...read more
  • Q2. BFS Traversal in a Graph Given an undirected and disconnected graph G(V, E) where V vertices are numbered from 0 to V-1, and E represents edges, your task is to output t ...read more
  • Q3. Smallest Integer Not Representable as Subset Sum Given a non-decreasing sorted array ARR of N positive numbers, determine the smallest positive integer that cannot be ex ...read more
View all 12 questions

Delhivery Software Developer Interview Experiences

7 interviews found

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Whats difference between patch and put
  • Ans. 

    Patch is used to update a specific part of a resource, while put is used to replace the entire resource.

    • Patch is used for partial updates, while put is used for full updates.

    • Patch is idempotent, meaning multiple identical patch requests will have the same effect as a single request, while put is not necessarily idempotent.

    • Example: Using patch to update the title of a blog post without affecting other fields, while usin...

  • Answered by AI

Skills evaluated in this interview

Software Developer Interview Questions & Answers

user image Nishant Yadav

posted on 18 Oct 2024

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Asked about schema for ecommerce and a coding question

Software Developer Interview Questions Asked at Other Companies

asked in Amazon
Q1. Maximum Subarray Sum Problem Statement Given an array of integers ... read more
asked in Amazon
Q2. Minimum Number of Platforms Needed Problem Statement You are give ... read more
asked in Rakuten
Q3. Merge Two Sorted Arrays Problem Statement Given two sorted intege ... read more
asked in Cognizant
Q4. Nth Fibonacci Number Problem Statement Calculate the Nth term in ... read more
Q5. Find Duplicate in Array Problem Statement You are provided with a ... read more
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Technical 

(2 Questions)

  • Q1. What is oops concepts
  • Ans. 

    OOPs concepts are the fundamental principles of object-oriented programming.

    • Encapsulation - binding data and functions together in a single unit

    • Inheritance - creating new classes from existing ones

    • Polymorphism - ability of objects to take on many forms

    • Abstraction - hiding implementation details from the user

    • Examples: class, object, inheritance, encapsulation, polymorphism, abstraction

  • Answered by AI
  • Q2. What is spring boot
  • Ans. 

    Spring Boot is a framework for building standalone, production-grade Spring-based applications.

    • Spring Boot simplifies the process of creating and deploying Spring-based applications.

    • It provides a set of pre-configured dependencies and an embedded web server.

    • It also offers features like auto-configuration, which reduces the need for manual configuration.

    • Spring Boot is widely used for building microservices and RESTful A...

  • Answered by AI

Skills evaluated in this interview

Interview Questionnaire 

2 Questions

  • Q1. Two problems[Ds and algo] +Cv Project Explanation 1 hour interview[Single round only]
  • Q2. Anyone who does LeetCode medium level problems can solve them easily always do follow up of the problems cause that is the only thing they desire from your solution

Delhivery interview questions for designations

 Software Developer Intern

 (2)

 Software Tester

 (2)

 Software Engineer

 (1)

 Engineering Software

 (1)

 Backend Developer

 (1)

 Senior Developer

 (1)

 Software Development Engineer

 (2)

 Associate Software Engineer

 (1)

I was interviewed before Sep 2020.

Round 1 - Video Call 

(3 Questions)

Round duration - 90 minutes
Round difficulty - Medium

This was a Data Structures round. Both questions were answered in optimal time complexity with clean code. Every other question was answered to the best of my knowledge

  • Q1. 

    Rotting Oranges Problem Statement

    You are given an undirected and disconnected graph G(V, E) with V vertices numbered from 0 to V-1 and E edges. Your task is to perform a BFS traversal starting from the 0...

  • Ans. 

    Perform BFS traversal on an undirected and disconnected graph starting from vertex 0.

    • Implement BFS traversal algorithm starting from vertex 0

    • Use a queue to keep track of visited nodes and their neighbors

    • Print the traversal order in sorted order for each node's connected nodes

  • Answered by AI
  • Q2. 

    Smallest Integer Not Representable as Subset Sum

    Given a non-decreasing sorted array ARR of N positive numbers, determine the smallest positive integer that cannot be expressed as the sum of elements from...

  • Ans. 

    Find the smallest positive integer that cannot be expressed as the sum of elements from any proper subset of a non-decreasing sorted array of positive numbers.

    • Start with the smallest possible sum that can be represented, which is 1.

    • Iterate through the array and update the smallest sum that cannot be represented.

    • Return the final smallest sum that cannot be represented.

  • Answered by AI
  • Q3. 

    BFS Traversal in a Graph

    Given an undirected and disconnected graph G(V, E) where V vertices are numbered from 0 to V-1, and E represents edges, your task is to output the BFS traversal starting from the ...

  • Ans. 

    BFS traversal of an undirected and disconnected graph starting from vertex 0.

    • Implement BFS algorithm to traverse the graph starting from vertex 0.

    • Use a queue to keep track of visited nodes and their neighbors.

    • Ensure to visit all connected components of the graph.

    • Print the BFS traversal sequence for each test case in a separate line.

    • Handle cases where not all vertices are reachable from vertex 0.

  • Answered by AI
Round 2 - Video Call 

(1 Question)

Round duration - 100 minutes
Round difficulty - Easy

Mostly technical and System Design questions were asked.

  • Q1. Design an LRU (Least Recently Used) cache.
  • Ans. 

    Design an LRU cache to store least recently used items efficiently.

    • Use a combination of a doubly linked list and a hashmap to store and retrieve items in O(1) time complexity.

    • When an item is accessed, move it to the front of the linked list to mark it as the most recently used.

    • If the cache is full, remove the least recently used item from the end of the linked list and the hashmap.

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from Guru Gobind Singh Indraprastha University. I applied for the job as SDE - 1 in GurgaonEligibility criteria1+ year of ExperienceDelhivery interview preparation:Topics to prepare for the interview - DS, Algorithms, OOPS, Dynamic Programming, System Design, Java SpringTime required to prepare for the interview - 2 monthsInterview preparation tips for other job seekers

Tip 1 : Practice At least 300 questions
Tip 2 : Build Resume according to Job Description 
Tip 3 : Working with Big Data/Distributed Systems is a Plus

Application resume tips for other job seekers

Tip 1 : Skills relevant to Job Description 
Tip 2 : Do not put false things on a resume, in-depth of knowledge of everything there on the resume

Final outcome of the interviewSelected

Skills evaluated in this interview

Get interview-ready with Top Delhivery Interview Questions

I applied via Campus Placement and was interviewed before Dec 2020. There were 4 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. Design a stack that support getmin in O(1) time and O(1) space complexities
  • Ans. 

    Design a stack that supports getmin in O(1) time and O(1) space complexities.

    • Use two stacks, one for storing the actual values and the other for storing the minimum values.

    • When pushing a new value, check if it is smaller than the current minimum value and push it to the minimum stack if it is.

    • When popping a value, check if it is the current minimum value and pop it from the minimum stack if it is.

    • To get the minimum val...

  • Answered by AI
  • Q2. Questions related OS and DBMS
  • Q3. Binary tree traversal
  • Ans. 

    Binary tree traversal is the process of visiting each node in a binary tree exactly once in a specific order.

    • There are three main types of binary tree traversal: inorder, preorder, and postorder.

    • Inorder traversal visits the left subtree, then the root, then the right subtree.

    • Preorder traversal visits the root, then the left subtree, then the right subtree.

    • Postorder traversal visits the left subtree, then the right subt...

  • Answered by AI
  • Q4. LRU cache explanation
  • Ans. 

    LRU cache is a data structure that stores the most recently used items and discards the least recently used items.

    • LRU stands for Least Recently Used

    • It has a fixed size and when the cache is full, the least recently used item is removed to make space for a new item

    • It uses a combination of a doubly linked list and a hash map to achieve O(1) time complexity for both insertion and deletion

    • Example: A web browser cache that ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Good with your programming skills and fundamentals.

Skills evaluated in this interview

I applied via Recruitment Consultant and was interviewed in May 2020. There were 3 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. What is diameter of Binary Tree? Write full working code.
  • Ans. 

    Diameter of a binary tree is the longest path between any two leaf nodes.

    • Calculate the height of left and right subtrees recursively.

    • Calculate the diameter recursively using the formula max(left_height + right_height + 1, max(left_diameter, right_diameter)).

    • Return the maximum diameter.

  • Answered by AI
  • Q2. Find interchanged terms from an AP, where terms are arranged in series
  • Ans. 

    To find interchanged terms from an AP series

    • Identify the common difference between terms

    • Swap the positions of adjacent terms

    • Check if the new series is also an AP

    • Repeat until no more interchanged terms can be found

  • Answered by AI
  • Q3. Explain database indexing
  • Ans. 

    Database indexing is a technique to improve the performance of database queries.

    • Indexing creates a data structure that allows for faster retrieval of data.

    • Indexes are created on one or more columns of a table.

    • Queries that use indexed columns can be executed faster.

    • Indexes can be clustered or non-clustered.

    • Clustered indexes determine the physical order of data in a table.

    • Non-clustered indexes create a separate structure...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well on basic data structures, operating systems and database.

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Nov 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

The basic questions asked in an interview .

Round 2 - Coding Test 

DP, graph, and array questions asked in 2nd round also asked my company project

Interview Preparation Tips

Interview preparation tips for other job seekers - please prepare for the DSA and system design round and basic computer concept
Interview experience
4
Good
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Naukri.com and was interviewed in May 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. What is decorator in python
  • Ans. 

    Decorator in Python is a design pattern that allows adding new functionality to an existing object without modifying its structure.

    • Decorators are functions that take another function as an argument and extend its behavior without explicitly modifying it.

    • They are commonly used to add logging, timing, caching, or authentication to functions.

    • Syntax for using decorators in Python involves using the @ symbol followed by the...

  • Answered by AI
  • Q2. What is yeild in python
  • Ans. 

    yield is a keyword in Python used in generator functions to return a value without terminating the function

    • yield is used in generator functions to produce a series of values over time

    • When a generator function is called, it returns an iterator object but does not start execution immediately

    • Each time the yield statement is reached, the function's state is saved, and the value is returned to the caller

    • Execution of the fun...

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Maersk Software Developer interview:
  • Python
  • Simulation

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - HR 

(2 Questions)

  • Q1. Tell what is your name
  • Ans. 

    My name is John Smith.

    • Full name is John Smith

    • Common name in English-speaking countries

    • No middle name or initial

  • Answered by AI
  • Q2. What do you do in free time
  • Ans. 

    In my free time, I enjoy hiking, playing video games, and learning new programming languages.

    • Hiking in local trails and national parks

    • Playing video games like Overwatch and Minecraft

    • Learning new programming languages like Python and JavaScript

  • Answered by AI
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Delhivery Interview FAQs

How many rounds are there in Delhivery Software Developer interview?
Delhivery interview process usually has 1-2 rounds. The most common rounds in the Delhivery interview process are Technical, Resume Shortlist and Coding Test.
What are the top questions asked in Delhivery Software Developer interview?

Some of the top questions asked at the Delhivery Software Developer interview -

  1. What is diameter of Binary Tree? Write full working cod...read more
  2. Find interchanged terms from an AP, where terms are arranged in ser...read more
  3. Design a stack that support getmin in O(1) time and O(1) space complexit...read more

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Delhivery Software Developer Interview Process

based on 3 interviews

1 Interview rounds

  • Technical Round
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