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Willis Towers Watson Software Developer Interview Questions and Answers

Updated 8 Mar 2024

Willis Towers Watson Software Developer Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-

I applied via Campus Placement

Round 1 - Technical 

(1 Question)

  • Q1. Questions based on Java , C++ , OOPs, cloud computing, one coding question, regarding previous projects, some behavioural questions.

Interview questions from similar companies

I applied via Naukri.com and was interviewed in Apr 2020. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. What synchronous and asynchronous means??
  • Ans. 

    Synchronous means happening at the same time, while asynchronous means not happening at the same time.

    • Synchronous operations occur in real-time, while asynchronous operations can be delayed or queued.

    • Synchronous operations block the program until they are completed, while asynchronous operations allow the program to continue running.

    • Examples of synchronous operations include function calls and loops, while examples of ...

  • Answered by AI
  • Q2. When to use CTE and temp table.
  • Ans. 

    CTE and temp table usage in SQL

    • Use CTE for recursive queries and complex subqueries

    • Use temp tables for large data sets and complex queries

    • CTE is more efficient for small data sets

    • Temp tables can be indexed for faster performance

    • Consider the scope and lifespan of the data when choosing between CTE and temp table

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Understand question first and answer.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Self introduction
  • Q2. And aigle scrum methodology explains
  • Ans. 

    Agile Scrum methodology is a framework for managing and completing complex projects.

    • Agile Scrum is based on iterative and incremental development.

    • It involves breaking down the project into smaller tasks called user stories.

    • Scrum teams work in sprints, typically 2-4 weeks long, to deliver a potentially shippable product increment.

    • Daily stand-up meetings are held to discuss progress and any obstacles.

    • Scrum Master facilit...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - It was good

I was interviewed in Nov 2020.

Round 1 - Coding Test 

(2 Questions)

Round duration - 135 minutes
Round difficulty - Easy

Coding questions was easy if you know the basic of coding in any language. I submitted optimized solution for every questions that's why i got selected in this round.

  • Q1. 

    Find K'th Character of Decrypted String

    You are given an encrypted string where repeated substrings are represented by the substring followed by its count. Your task is to find the K'th character of the d...

  • Ans. 

    Given an encrypted string with repeated substrings represented by counts, find the K'th character of the decrypted string.

    • Parse the encrypted string to extract substrings and their counts

    • Iterate through the substrings and counts to build the decrypted string

    • Track the position in the decrypted string to find the K'th character

  • Answered by AI
  • Q2. 

    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 traverse the graph and detect cycles.

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

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

    • Check for back edges while traversing the graph.

    • Consider disconnected graphs as well.

  • Answered by AI
Round 2 - Assignment 

(3 Questions)

Round duration - 150 minutes
Round difficulty - Medium

  • Q1. 

    Pair Sum Problem Statement

    You are provided with an array ARR consisting of N distinct integers in ascending order and an integer TARGET. Your objective is to count all the distinct pairs in ARR whose sum...

  • Ans. 

    Count distinct pairs in an array whose sum equals a given target.

    • Use two pointers approach to iterate through the array and find pairs with sum equal to target.

    • Keep track of visited pairs to avoid counting duplicates.

    • Return -1 if no such pair exists with the given target.

  • Answered by AI
  • Q2. 

    Next Smaller Palindrome Problem Statement

    You are given a palindrome number represented as a string S. Your task is to find the largest palindrome number that is strictly less than S.

    Example:

    Input:
    T...
  • Ans. 

    Given a palindrome number represented as a string, find the largest palindrome number that is strictly less than the given number.

    • Iterate from the middle towards the start and end of the string to find the next smaller palindrome.

    • If the number is odd in length, simply mirror the left half to the right half to get the next smaller palindrome.

    • If the number is even in length, decrement the middle digit and mirror the left...

  • Answered by AI
  • Q3. 

    Longest Common Subsequence Problem Statement

    Given two strings STR1 and STR2, determine the length of their longest common subsequence.

    A subsequence is a sequence that can be derived from another sequen...

  • Ans. 

    The problem involves finding the length of the longest common subsequence between two given strings.

    • Use dynamic programming to solve this problem efficiently.

    • Create a 2D array to store the lengths of common subsequences of substrings.

    • Iterate through the strings to fill the array and find the length of the longest common subsequence.

    • Example: For input STR1 = 'abcde' and STR2 = 'ace', the longest common subsequence is 'a

  • Answered by AI
Round 3 - Face to Face 

(2 Questions)

Round duration - 30 minutes
Round difficulty - Easy

Interview went well.The interviewer asked me how the previous interviews were.

  • Q1. 

    Boundary Traversal of a Binary Tree

    Given a binary tree of integers, your task is to output the boundary nodes of this binary tree in Anti-Clockwise order, starting from the root node.

    Explanation:

    The b...

  • Ans. 

    Output the boundary nodes of a binary tree in Anti-Clockwise order, starting from the root node.

    • Traverse the left boundary nodes in top-down order

    • Traverse the leaf nodes from left to right

    • Traverse the right boundary nodes in bottom-up order

    • Combine the above traversals to get the boundary nodes in Anti-Clockwise order

  • Answered by AI
  • Q2. 

    Sort 0 1 2 Problem Statement

    Given an integer array arr of size 'N' containing only 0s, 1s, and 2s, write an algorithm to sort the array.

    Input:

    The first line contains an integer 'T' representing the n...
  • Ans. 

    Sort an array of 0s, 1s, and 2s in linear time complexity.

    • Use three pointers to keep track of the positions of 0s, 1s, and 2s in the array.

    • Iterate through the array and swap elements based on the values encountered.

    • Maintain left pointer for 0s, right pointer for 2s, and current pointer for traversal.

    • Example: If current element is 0, swap it with element at left pointer and increment both pointers.

  • Answered by AI
Round 4 - HR 

Round duration - 20 minutes
Round difficulty - Easy

This round is very easy, In this round they basically need confidence and truthful person.

Interview Preparation Tips

Eligibility criteriaabove 7.5 CGPADeloitte interview preparation:Topics to prepare for the interview - Data Structures, Web development, System Design, Algorithms, Dynamic Programming, Database, Networking, DevOps, Operating System, Database Management System, Object-Oriented Programming System , basic aptitudeTime required to prepare for the interview - 5 monthsInterview preparation tips for other job seekers

Tip 1 : For Data Structures number of questions doesn't matter. Try to understand the logic behind them and try to apply them in creating multiple scenario's. 
Tip 2 : Do lot of hard work and practice of Data Structures and Algorithms based questions
Tip 3 : See which part interests you more, Increase your knowledge horizon, Always try to build a system a system considering It will be served to millions of customers.
Tip 4 : I personally recommend you Coding Ninjas and Geeks For Geeks for interview preparation.

Application resume tips for other job seekers

Tip 1 : Always try to make it a single page 
Tip 2 : do mention all your skills which you are confident of in your resume.
Tip 3 : Always make resume company specific

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview Questionnaire 

3 Questions

  • Q1. Oops mvc .net sql
  • Q2. .net frame work
  • Q3. Solid priciples

Interview Preparation Tips

Interview preparation tips for other job seekers - Good interview experience
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Explain your backgroun

I was interviewed before Sep 2020.

Round 1 - Coding Test 

(2 Questions)

Round duration - 90 minutes
Round difficulty - Medium

This test consists of two coding questions and some MCQ regarding computer fundamentals.

  • Q1. 

    Kevin and His Cards Problem Statement

    Kevin has two packs of cards. The first pack contains N cards, and the second contains M cards. Each card has an integer written on it. Determine two results: the tot...

  • Ans. 

    Find total distinct card types and common card types between two packs of cards.

    • Create a set to store distinct card types when combining both packs.

    • Iterate through each pack and add card types to the set.

    • Find the intersection of card types between the two packs to get common card types.

  • Answered by AI
  • Q2. 

    Allocate Books Problem Statement

    Given an array of integers arr, where arr[i] represents the number of pages in the i-th book, and an integer m representing the number of students, allocate all the books ...

  • Ans. 

    Allocate books to students in a way that minimizes the maximum number of pages assigned to a student.

    • Iterate through all possible allocations of books to students.

    • Calculate the maximum number of pages assigned to a student for each allocation.

    • Return the minimum of these maximums as the result.

  • Answered by AI
Round 2 - Video Call 

(2 Questions)

Round duration - 40 minutes
Round difficulty - Easy

It was a technical round that is based on DSA and computer fundamentals.

  • Q1. 

    Reverse Linked List Problem Statement

    Given a singly linked list of integers, return the head of the reversed linked list.

    Example:

    Initial linked list: 1 -> 2 -> 3 -> 4 -> NULL
    Reversed link...
  • Ans. 

    Reverse a singly linked list of integers and return the head of the reversed linked list.

    • Iterate through the linked list and reverse the pointers to point to the previous node instead of the next node.

    • Use three pointers - prev, current, and next to reverse the linked list in O(N) time and O(1) space complexity.

    • Update the head of the reversed linked list as the last node encountered during the reversal process.

  • Answered by AI
  • Q2. 

    Sort 0 1 2 Problem Statement

    Given an integer array arr of size 'N' containing only 0s, 1s, and 2s, write an algorithm to sort the array.

    Input:

    The first line contains an integer 'T' representing the n...
  • Ans. 

    Sort an array of 0s, 1s, and 2s in linear time complexity.

    • Use three pointers to keep track of 0s, 1s, and 2s while traversing the array.

    • Swap elements based on the values encountered to sort the array in-place.

    • Time complexity should be O(N) and space complexity should be O(1).

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in PuneEligibility criteria10- above 60% 12- ABove 60 percentZS Associates interview preparation:Topics to prepare for the interview - Data Structures and Algorithms, DBMS, OOPS, Operating System , System DesignTime required to prepare for the interview - 3 monthsInterview preparation tips for other job seekers

Tip 1 : If you are not able to complete something in-depth, clearly mention that to the interviewer.
Tip 2 : Practice DSA well.
Tip 3 : Try to think analytically and more logically,Your thinking skills matters a lot.

Application resume tips for other job seekers

Tip 1 : Try to mention max no of projects
Tip 2 : DO not fake in your resume.

Final outcome of the interviewRejected

Skills evaluated in this interview

Software Developer Interview Questions & Answers

ZS user image Rahul Yamsani 010

posted on 22 Dec 2024

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Challenging questions in mathematics.

Round 2 - Group Discussion 

A constructive discussion about the significance of various topics and additional aspects.

Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Job Fair and was interviewed in Nov 2023. There were 2 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 Resume tips
Round 2 - One-on-one 

(3 Questions)

  • Q1. I am freshers soo please one chance for your company
  • Q2. Yes I am fresher soo for your company work
  • Q3. Talk about a range of elements, including customer service.
  • Ans. 

    Customer service is an essential element in software development.

    • Customer service involves providing support and assistance to users of software applications.

    • It includes addressing user queries, resolving issues, and ensuring customer satisfaction.

    • Software developers may interact with customers through various channels like email, phone, or live chat.

    • Good customer service can lead to positive user experiences and incre...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - job roles that align with your interests and skills. Networking is also a great way to learn about potential career opportunities.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Apr 2023. There were 2 interview rounds.

Round 1 - Coding Test 

1 20 mark easy ques and 1 50 mark med ques, time : 1h 30 mins i guess

Round 2 - Technical 

(2 Questions)

  • Q1. Common elemnts two list , oops
  • Q2. Case study and oops sql

Interview Preparation Tips

Interview preparation tips for other job seekers - be confident
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Willis Towers Watson Interview FAQs

How many rounds are there in Willis Towers Watson Software Developer interview?
Willis Towers Watson interview process usually has 1 rounds. The most common rounds in the Willis Towers Watson interview process are Technical.

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