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HashedIn by Deloitte Senior Software Engineer 1 Interview Questions, Process, and Tips

Updated 7 Nov 2022

HashedIn by Deloitte Senior Software Engineer 1 Interview Experiences

1 interview found

I applied via Referral and was interviewed before Nov 2021. There were 4 interview rounds.

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 tips
Round 2 - Coding Test 

First round is a basic DS-Algo Round. It was a pen & paper interview. 2 interviewers asked me to write code for some problems such as:
1. You have an unsorted array of 0s and 1s, find the first 1. Different approaches for it.
2. What is setTimeOut in Node.JS?
3. How can you use 2 stacks as an array.
4. You have 2 sorted arrays. Merge them into a single array.

Round 3 - Technical 

(8 Questions)

  • Q1. What are OS processes?
  • Ans. 

    OS processes are instances of a program that are being executed by the operating system.

    • Processes are managed by the operating system's scheduler.

    • Each process has its own memory space and system resources.

    • Processes can communicate with each other through inter-process communication (IPC).

    • Examples of processes include web browsers, media players, and text editors.

  • Answered by AI
  • Q2. What are threads? What is the purpose?
  • Ans. 

    Threads are lightweight processes that enable multitasking within a single process.

    • Threads allow multiple tasks to be executed concurrently within a single process.

    • They share the same memory space and resources of the parent process.

    • Threads can improve performance by utilizing available CPU resources more efficiently.

    • Examples include web servers handling multiple requests simultaneously and video games rendering graphi

  • Answered by AI
  • Q3. Why should one use Node.JS?
  • Ans. 

    Node.js is a powerful and efficient server-side JavaScript runtime environment.

    • Node.js is fast and scalable, making it ideal for building real-time applications.

    • It uses an event-driven, non-blocking I/O model, which makes it lightweight and efficient.

    • Node.js has a large and active community, with many useful libraries and modules available.

    • It allows for easy sharing of code between the server and client, using JavaScri...

  • Answered by AI
  • Q4. What is difference between Python and Node.JS?
  • Ans. 

    Python is a general-purpose language while Node.JS is a JavaScript runtime environment.

    • Python is used for web development, data analysis, artificial intelligence, and scientific computing.

    • Node.JS is used for building scalable network applications and real-time web applications.

    • Python is slower than Node.JS in terms of performance.

    • Python has a larger standard library than Node.JS.

    • Python is easier to learn and has a simp

  • Answered by AI
  • Q5. What is the difference between SQL and NoSQL?
  • Ans. 

    SQL is a relational database management system while NoSQL is a non-relational database management system.

    • SQL databases are table-based while NoSQL databases are document-based, key-value pairs, graph databases, or column-based.

    • SQL databases are structured while NoSQL databases are unstructured.

    • SQL databases use SQL (Structured Query Language) for querying and managing data while NoSQL databases use different query lan...

  • Answered by AI
  • Q6. High Level Design for a Reddit type application
  • Ans. 

    A Reddit-like application for sharing and discussing content

    • User authentication and authorization

    • Post creation and voting system

    • Commenting system

    • Subreddit creation and management

    • Search functionality

    • Real-time updates using websockets

  • Answered by AI
  • Q7. What are CORS? How to handle them?
  • Ans. 

    CORS stands for Cross-Origin Resource Sharing. It is a security feature implemented in web browsers to restrict web pages from making requests to a different domain.

    • CORS is used to prevent malicious websites from accessing sensitive data from other websites.

    • To handle CORS, the server needs to include specific headers in the response to allow the browser to make requests from a different domain.

    • The most common header us...

  • Answered by AI
  • Q8. What is CRFS? The experience around working with it.
Round 4 - One-on-one 

(4 Questions)

  • Q1. The final round was with a Senior Manager and he asked about my previous work experience.
  • Q2. Low Level Design for Authentication
  • Ans. 

    Low level design for authentication

    • Define authentication requirements

    • Choose appropriate authentication mechanism

    • Design authentication flow

    • Implement secure storage of credentials

    • Consider multi-factor authentication

    • Include error handling and logging

  • Answered by AI
  • Q3. Have you managed a team before
  • Q4. Architecture Design for an e2e system that takes input from user to the response shown to the user
  • Ans. 

    An e2e system architecture design for user input to response output

    • Identify user requirements and define system goals

    • Choose appropriate technologies and frameworks

    • Design system components and their interactions

    • Ensure scalability, reliability, and security

    • Test and validate the system before deployment

  • Answered by AI

Interview Preparation Tips

Topics to prepare for HashedIn by Deloitte Senior Software Engineer 1 interview:
  • Data Structures
  • Database
  • Algorithms
  • High level design
  • OS
Interview preparation tips for other job seekers - 1. HashedIn looks for technically sound people. Language is not a restriction.
2. The preference is to hire people who can do full-stack development.
3. The expectation for a 3-4 years experience Engineer is to be able to handle small teams and lead projects.

Skills evaluated in this interview

Interview questions from similar companies

I applied via Naukri.com and was interviewed in May 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Anything can be asked from oops to design pattern level question. Simple to hard. It's kind of rapid fire.

Interview Preparation Tips

Interview preparation tips for other job seekers - Ready handle a pressure while interview process, be stable, don't confuse

I appeared for an interview in Sep 2020.

Interview Questionnaire 

1 Question

  • Q1. Oops concept, solid principles, filters in MVC, basics of Angular,life cycle hook

Interview Preparation Tips

Interview preparation tips for other job seekers - 2 rounds- both are technical.

I applied via Approached by Company and was interviewed before May 2021. There were 3 interview rounds.

Round 1 - Aptitude Test 

Multiple choice questions

Round 2 - Coding Test 
Round 3 - Technical 

(1 Question)

  • Q1. Show the projects that you may have worked on and explain.

Interview Preparation Tips

Topics to prepare for Incedo Software Engineer interview:
  • React.Js
Interview preparation tips for other job seekers - You got to be clear and concise when explaining things. You gotta be confident!

I appeared for an interview before Oct 2021.

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 tips
Round 2 - Technical 

(2 Questions)

  • Q1. What is Nested List with example
  • Ans. 

    A nested list is a list that contains other lists as its elements.

    • Nested lists can be created using square brackets and separating the elements with commas.

    • Elements of a nested list can be accessed using indexing and slicing.

    • Example: my_list = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]

    • Accessing element 5: my_list[1][1]

  • Answered by AI
  • Q2. What is queue , explain with example
  • Ans. 

    A queue is a data structure that follows the First In First Out (FIFO) principle.

    • Elements are added to the back of the queue and removed from the front.

    • Example: A line of people waiting for a movie ticket.

    • Operations: Enqueue (add element to back), Dequeue (remove element from front), Peek (view front element)

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Data Structure should be stong
Basic python
Coding skills

Skills evaluated in this interview

I applied via Campus Placement and was interviewed before Jul 2021. There were 5 interview rounds.

Round 1 - Aptitude Test 

Round 1 was about 60 mins long. Basic Aptitude questions along with Programming MCQ

Round 2 - Coding Test 

Round 2 had 2 coding questions with a time limit of 60mins. Intermediate level problem solving
knowledge is neccessary.

Round 3 - Technical 

(1 Question)

  • Q1. Technical Round 1 was 1hr long. Detailed Insights about my project and a few programming questions in DSA
Round 4 - Technical 

(1 Question)

  • Q1. This Technical Round 2 was 1hr long and was mainly focused on problem solving skills and a few basic programming concepts.
Round 5 - HR 

(1 Question)

  • Q1. Three Situational questions were asked .

Interview Preparation Tips

Topics to prepare for Bounteous x Accolite Software Developer interview:
  • Data Structures
  • Algorithms
  • CPP
  • Problem Solving
Interview preparation tips for other job seekers - Prepare Well . Perform well with full confidence

Interview Questionnaire 

1 Question

  • Q1. Java multithreading, oops

I applied via Naukri.com and was interviewed in Jun 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. I had two rounds. First round was completely based on Core Java concepts. Second round was based on DS algo and SQL queries (group by and having)

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare Core Java concepts and DSA.

I applied via Campus Placement and was interviewed before Jan 2021. There were 3 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. 1. Write a code to split an array of integers into two subarray where both the array has equal sum.
  • Ans. 

    Code to split an array of integers into two subarrays with equal sum.

    • Iterate through the array and calculate the total sum.

    • Divide the sum by 2 to get the target sum for each subarray.

    • Use dynamic programming to find a subset of the array that adds up to the target sum.

    • Return the two subarrays.

    • Example: [1, 2, 3, 4, 5, 6] -> [1, 2, 3, 6], [4, 5]

    • Example: [1, 2, 3, 4, 5] -> [1, 4, 5], [2, 3]

  • Answered by AI
  • Q2. To write code to build up a binary tree from scratch (implement a BST) and then to write all the methods like all the tree traversal algo, and all other stuffs.
  • Ans. 

    Implementing a binary search tree and its traversal methods.

    • Start by defining a Node class with left and right child pointers.

    • Implement insert() method to add nodes to the tree.

    • Implement inorder(), preorder(), and postorder() traversal methods.

    • Implement search() method to find a node in the tree.

    • Implement delete() method to remove a node from the tree.

    • Consider edge cases like empty tree, duplicate nodes, etc.

  • Answered by AI
  • Q3. Other OOPs concept and questions related to DSA and OS.

Interview Preparation Tips

Interview preparation tips for other job seekers - Accolite has a difficult hiring bar and hires only the good ones. Focus on DSA concepts and practice as many questions from Leetcode, Interviewbits, GFG. Focus on all the OOPs concept and subject like OS.

Skills evaluated in this interview

I applied via Campus Placement and was interviewed in May 2021. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Mainly focussed on DBMS,Data Structures

Interview Preparation Tips

Interview preparation tips for other job seekers - mainly focuses on algorithms

HashedIn by Deloitte Interview FAQs

How many rounds are there in HashedIn by Deloitte Senior Software Engineer 1 interview?
HashedIn by Deloitte interview process usually has 4 rounds. The most common rounds in the HashedIn by Deloitte interview process are Coding Test, Technical and One-on-one Round.
What are the top questions asked in HashedIn by Deloitte Senior Software Engineer 1 interview?

Some of the top questions asked at the HashedIn by Deloitte Senior Software Engineer 1 interview -

  1. What is CRFS? The experience around working with ...read more
  2. Architecture Design for an e2e system that takes input from user to the respons...read more
  3. What is difference between Python and Node....read more

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