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Lifesight Software Developer Interview Questions, Process, and Tips

Updated 14 Sep 2021

Lifesight Software Developer Interview Experiences

1 interview found

I was interviewed in Jan 2021.

Round 1 - Video Call 

(3 Questions)

Round duration - 75 Minutes
Round difficulty - Medium

This round was with SDE-1 
After my introduction , he asked me 3 Questions
 

  • Q1. 

    Validate Binary Search Tree (BST)

    You are given a binary tree with 'N' integer nodes. Your task is to determine whether this binary tree is a Binary Search Tree (BST).

    BST Definition:

    A Binary Search Tr...

  • Ans. 

    Validate if a given binary tree is a Binary Search Tree (BST) or not.

    • Check if the left subtree of a node contains only nodes with data less than the node's data.

    • Check if the right subtree of a node contains only nodes with data greater than the node's data.

    • Recursively check if both the left and right subtrees are also binary search trees.

    • Example: For each node, validate if its left child is less than the node and right

  • Answered by AI
  • Q2. 

    Longest Substring with K Distinct Characters

    You are provided with a string S of length N, consisting of lowercase English alphabet letters, and a positive integer K.

    Your task is to determine the maximu...

  • Ans. 

    Find the longest substring with at most K distinct characters in a given string.

    • Use a sliding window approach to keep track of the characters and their counts in the substring.

    • Maintain a hashmap to store the characters and their frequencies.

    • Update the window size and characters count as you iterate through the string.

    • Return the maximum length of the substring with at most K distinct characters.

  • Answered by AI
  • Q3. 

    Cycle Detection in Undirected Graph Problem Statement

    You are provided with an undirected graph containing 'N' vertices and 'M' edges. The vertices are numbered from 1 to 'N'. Your objective is to determi...

  • Ans. 

    Detect if an undirected graph contains a cycle.

    • Use depth-first search (DFS) to detect cycles in the graph.

    • Maintain a visited array to keep track of visited vertices.

    • If a visited vertex is encountered again during DFS, a cycle exists.

    • Consider disconnected graphs as well.

    • Example: For input N=3, Edges=[[1, 2], [2, 3], [1, 3]], output is Yes.

  • Answered by AI
Round 2 - Video Call 

(2 Questions)

Round duration - 90 Miinutes
Round difficulty - Medium

This round was with a Senior Data Engineer as this position was a mix of Backend and Big Data.

 

  • Q1. 

    Covid Vaccination Distribution Problem

    As the Government ramps up vaccination drives to combat the second wave of Covid-19, you are tasked with helping plan an effective vaccination schedule. Your goal is...

  • Ans. 

    Given constraints and rules, find maximum vaccines administered on a specific day during a vaccination drive.

    • Iterate through each test case and calculate the maximum number of vaccines distributed on the specified day.

    • Distribute vaccines evenly across days while maximizing the number on the specified day.

    • Ensure that the sum of vaccines administered does not exceed the maximum allowed.

    • Consider edge cases like when the n...

  • Answered by AI
  • Q2. 

    Combination Sum Problem Statement

    Given an array of distinct positive integers ARR and a non-negative integer 'B', find all unique combinations in the array where the sum is equal to 'B'. Numbers can be c...

  • Ans. 

    Find all unique combinations in an array where the sum is equal to a given target sum, with elements in non-decreasing order.

    • Use backtracking to generate all possible combinations of elements in the array that sum up to the target sum.

    • Sort the array to ensure elements in each combination are in non-decreasing order.

    • Handle duplicate elements in the array to avoid duplicate combinations.

    • Consider edge cases like empty arr...

  • Answered by AI
Round 3 - Video Call 

(1 Question)

Round duration - 75 Minutes
Round difficulty - Easy

This round was taken by Engineering Manager
There were 2 sections to this round
Technical and Non Techincal
 

  • Q1. 

    Sliding Window Maximum Problem Statement

    You are given an array/list of integers with length 'N'. A sliding window of size 'K' moves from the start to the end of the array. For each of the 'N'-'K'+1 possi...

  • Ans. 

    Sliding window maximum problem where we find maximum element in each window of size K.

    • Use a deque to store indices of elements in decreasing order within the window.

    • Pop elements from the deque that are out of the current window.

    • Append the maximum element from the front of the deque to the result for each window.

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from Guru Gobind Singh Indraprastha University. Eligibility criteria2+ years of Work Experience in the relevant fieldLifesight interview preparation:Topics to prepare for the interview - DataStructures, Algorithms, Problem Solving, Big Data, Distributed Systems, SparkTime required to prepare for the interview - 3 MonthsInterview preparation tips for other job seekers

Tip 1 : Be solid with the basics of Ds, Algo. Good to have end to end projects which are hosted on cloud.
Tip 2 : Its always good to be presentable and have good communications skills
Tip 3 : Be honest, clear in approach and always walkthrough your thought process to the interviewer

Application resume tips for other job seekers

Tip 1 : Mention your projects and experience at the top. Be clear on what was done, a brief on how it was done, language /tech stack involved. If possible try to host and make it accessible. You never know if you can present it with just one click.
Tip 2 : Choose a balance between, white spaces and text, it should be well indented, no grammatical errors.
Tip 3 : It takes less than 2 min to scan a resume. Don't mention things which are irrelevant.

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview questions from similar companies

I applied via Campus Placement and was interviewed before Jun 2020. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Simple program
  • Q2. I wrote a simple program in C

Interview Preparation Tips

Interview preparation tips for other job seekers - Be bold and confident

I applied via Company Website and was interviewed in Oct 2018. There was 0 interview round.

Interview Preparation Tips

General Tips: This interview was a technical one but was majorly a stress test. It lasted for about 1 hour 10 minutes. The interviewer wanted to test both my knowledge and communication skills. Most of the questions asked to me were related to my B.Tech curriculum i.e. computer science related topics. He stressed a lot on the basics related to my project topic. Luckily I was able to answer most of the questions correctly. I tried to answer each question with examples and also used props on the table (like pens, paperweights, pen stands etc.) to explain my theories. It was my first offcampus interview, and I think I did pretty well for a fresher.
You need to stay calm and should apply presence of mind. Please go through the job description thoroughly word-by-word and recheck your resume to ensure that you are a best-fit for the position.
Skills: Communication, Body Language, Problem Solving, Leadership, Presentation Skills
Duration: <1 week

I applied via Naukri.com and was interviewed before Oct 2019. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. What technical challenges have you faced in your work till now and how did you overcome it?

Interview Preparation Tips

Interview preparation tips for other job seekers - Be truthful and give detailed explanation of the issues and how it was resolved. Explain the severity of the problem and what blockage it had caused in your daily work. How did you chose a solution and how fast was it implemented.

I applied via Naukri.com and was interviewed before Dec 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. About the plsql..like functions.cursors.pakages and like that

Interview Preparation Tips

Interview preparation tips for other job seekers - from my experience its some meaning ful interested one..but after got selected...they will not respond on any support..like joining or about the assets setup and not even the situvations...as per my experience i really have a bad experience with rmg and also hr team..ultimatix login and all are not that quick responsive...as per mine ..not prefer tcs..
Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
More than 8 weeks
Result
Not Selected

I applied via Walk-in and was interviewed before Jan 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Double-check your resume for any spelling mistakes. The recruiter may consider spelling mistakes as careless behavior or poor communication skills.
View all Resume tips
Round 2 - Aptitude Test 

Aptitude test duration 90 min 100 question

Round 3 - Coding Test 

Coding test 50 code 100 marks 60 min

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well. code in c , c++ , java is very important

I applied via Company Website and was interviewed before May 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. I surprised with one question that is are u ready to do job in anywhere

Interview Preparation Tips

Interview preparation tips for other job seekers - Hi guys I just suggest you that you have to focus on your resume and don't use the words which you don't know if you release a word which you don't know then hr will take that word so prepare well for TR and HR I hope my suggestion will helpful

I applied via Walk-in and was interviewed in Nov 2020. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Many technical questions
  • Q2. Application tools

Interview Preparation Tips

Interview preparation tips for other job seekers - prepare more tools,practical working technic

I applied via Campus Placement and was interviewed in Apr 2020. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. Are you willing to relocate?
  • Q2. Why should I hire you?

Interview Preparation Tips

Interview preparation tips for other job seekers - My technical and Hr interview done at same place. It lasted about 40minutes. The interviewer test both my technical knowledge and communication skills. I tell most of the answer. They check patience level.He stressed on my final year project . Asking about range and specification of compotents which I heve used in my project. Finally ask some HR questions.

I applied via tcs and was interviewed before Jun 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Java based

Interview Preparation Tips

Interview preparation tips for other job seekers - good
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