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Clearwater Analytics interview experience Real time questions & tips from candidates to crack your interview

Software Developer

Clearwater Analytics
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3 rounds | 4 Coding problems

Interview preparation journey

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Journey
I was unaware of this coding stuff till my school life. I got to know about the field of computer science in my class 11th. I found it interesting and decided that I will pursue my career in the field of computer science. I took admission in B.Tech CSE and learned the various concepts like DSA and all.
Application story
I got to know about this opening through linkedin post. I applied to the post and looked at the important question for the particular company and started practising for that. After few days, I got a mail that I will be having an assessment test after which there will be a whole selection process.
Why selected/rejected for the role?
I was giving correct explanation for my solutions in the coding round. I also built the optimal solution starting from the brute force algorithm which also added to my points.
Preparation
Duration: 2 months
Topics: Data Structures, Algorithm Design, DBMS, Object Oriented Design, Machine Learning
Tip
Tip

Tip 1 : Practice the most frequent and most common questions DSA questions asked in companies like Amazon, Microsoft.
Tip 2 : Focus on solving the questions on your own as much as you can. 
Tip 3 : Don't waste your time on the number of questions while compromising quality.
Tip 4 : Do mock interviews with your friend if it's been a long since you have given the interview.
Tip 5 : For virtual interviews, always have a backup of data(you may use mobile data if Wi-Fi goes out). While during an interview try to maintain eye contact every now and then.
Tip 6 : Keep your resume short to 1 page and have far/good knowledge of the tech stack you have mentioned

Application process
Where: Other
Eligibility: Shortlisting was done on the basis of coding test.
Resume Tip
Resume tip

Tip 1 : Keep it short to 1 page
Tip 2 : Prepare it well.
Tip 3 : Focus more on the problem and the solution. Rather than tools used to solve the problem

Interview rounds

01
Round
Medium
Online Coding Interview
Duration90 minutes
Interview date31 Oct 2020
Coding problem1

Total of 8 questions:

4 MCQ(oops and expected output type questions) + other 2 were coding questions, out of which one is some class implementation question.

1. Count all sub-arrays having sum divisible by k

Moderate
15m average time
85% success
0/80
Asked in companies
SnapdealMicrosoftProtium

Given an array ‘ARR’ and an integer ‘K’, your task is to find all the count of all sub-arrays whose sum is divisible by the given integer ‘K’.

Note:
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Problem approach

I solved it using a hashmap. It's a pretty standard problem and can also be found easily on the internet.

Try solving now
02
Round
Easy
Video Call
Duration60 minutes
Interview date4 Nov 2020
Coding problem2

This round was with the USA team, the panel consisted of 2 members. It took place at around 9 PM IST. The interviewer's focus was on approach.

1. Sort an array in wave form

Easy
10m average time
85% success
0/40
Asked in companies
FlipkartTech MahindraMyntra

You have been given an unsorted array ‘ARR’.

Your task is to sort the array in such a way that the array looks like a wave array.

Example:
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Problem approach

Sorted the array and then swapped the adjacent elements in groups of size 2.

Try solving now

2. Convert a given number to words

Easy
15m average time
80% success
0/40
Asked in companies
Goldman SachsHSBCOracle

Given an integer number ‘num’. Your task is to convert ‘num’ into a word.

Suppose the given number ‘num’ is ‘9823’ then you have to return a string “ni...

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Problem approach

I tried to use hashmap to store some values as a part of pre-processing and then build up some approach, couldn't code it completely

Try solving now
03
Round
Easy
Video Call
Duration40 minutes
Interview date9 Dec 2020
Coding problem1

It was a managerial round. The position of the person taking the interview was of a technical architect. As was informed by the recruiter, previously he was a technical architect at Amazon.

1. DBMS

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