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Clearwater Analytics Software Engineer III Interview Questions and Answers
Clearwater Analytics Software Engineer III Interview Experiences
1 interview found
Anonymous
Selected
I applied via LinkedIn and was interviewed before Dec 2023. There were 3 interview rounds.
An online coding test was conducted on HackerRank.
(2 Questions)
- Q1. What is a Java-based solution to the problem of sorting names that have Roman numerals as their last names?
- Ans.
Use a custom Comparator to sort names with Roman numerals as last names in Java.
Create a custom Comparator that splits the names into parts and compares the Roman numerals separately.
Use regular expressions to identify and extract the Roman numerals from the last names.
Implement the Comparator interface and override the compare method to sort the names based on the Roman numerals.
Example: Input array - ['John Smith III
- Q2. What is the internal working mechanism of a hashmap?
- Ans.
A hashmap is a data structure that stores key-value pairs and uses a hash function to map keys to their corresponding values.
Hashmap uses a hash function to determine the index of the key-value pair in the underlying array.
Collisions can occur when multiple keys hash to the same index, which is resolved using techniques like chaining or open addressing.
Hashmap typically has an underlying array where each element is a l...
(1 Question)
- Q1. What is the system design for a hotel management system?
- Ans.
A hotel management system is a software application that helps manage various aspects of a hotel's operations, such as reservations, check-ins, check-outs, room assignments, billing, and more.
Use a relational database to store information about rooms, guests, reservations, and transactions
Implement user interfaces for staff to manage bookings, check availability, and process payments
Incorporate features for guests to m...
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I applied via Campus Placement and was interviewed in Oct 2024. There were 3 interview rounds.
Test contains 26 questions for me 13 are java based 13 are c++ based
(2 Questions)
- Q1. Indexing in dbms
- Ans.
Indexing in DBMS is a technique to improve the performance of queries by creating a data structure that allows for faster retrieval of data.
Indexes are created on columns in a database table to speed up the retrieval of rows that match a certain condition.
Types of indexes include clustered, non-clustered, unique, and composite indexes.
Examples of indexing techniques include B-tree, hash, and bitmap indexes.
Indexing can...
- Q2. Find whether two strings are or not anagrams
- Ans.
Check if two strings are anagrams by comparing the sorted characters in each string.
Sort the characters in both strings and compare if they are equal.
Ignore spaces and punctuation when comparing the strings.
Example: 'listen' and 'silent' are anagrams.
Example: 'hello' and 'world' are not anagrams.
(2 Questions)
- Q1. Inorder traversal without recursion
- Ans.
Use a stack to simulate the recursive inorder traversal process
Create an empty stack to store nodes
Start with the root node and push it onto the stack
While the stack is not empty, keep traversing left and pushing nodes onto the stack
Once you reach a leaf node, pop it from the stack, print its value, and move to its right child
Repeat the process until all nodes have been visited
- Q2. How to make a class final
- Ans.
To make a class final, use the 'final' keyword in the class declaration.
Use the 'final' keyword before the 'class' keyword in the class declaration
A final class cannot be subclassed or extended
Final classes are often used for utility classes or classes that should not be modified
Skills evaluated in this interview
I applied via Company Website and was interviewed in Oct 2024. There were 2 interview rounds.
1 hour duration. Sliding window problem. On hacker rank platform. Expected to write a working code and solve it optimally/scalable solution.
(1 Question)
- Q1. Again a coding test. LLD + hash map. 1 hour on hacker rank.
Selected
(1 Question)
- Q1. 2 DSA leetcode (1 medium , 1 hard)
(1 Question)
- Q1. Same round 1 2 DSA leetcode questions (1 hard , 1 medium)
(1 Question)
- Q1. It was the hiring manager round, it started with the LRU cache algorithm and went deep in the system design
(1 Question)
- Q1. Questions on basis of elastic search
(1 Question)
- Q1. Design pattern experience
- Ans.
I have extensive experience with various design patterns such as Singleton, Factory, Observer, and MVC.
Implemented Singleton pattern to ensure only one instance of a class exists
Utilized Factory pattern to create objects without specifying the exact class
Implemented Observer pattern for event handling and notifications
Utilized MVC pattern for separating concerns in a software application
Skills evaluated in this interview
(1 Question)
- Q1. Basic questions on what you have mentioned in resume , design patterns , reactjs questions , explain your project
I was interviewed in Jun 2023.
Basic aptitude questions, computer fundaments and DSA questions.
(2 Questions)
- Q1. Questions Related to topics & projects in Resume on various topics like DBMS, OOPS, CN, Git, React, Javascript.
- Q2. 2 very easy coding questions. 1. Flip the number 2. Move all the zeroes to the end of the array
(2 Questions)
- Q1. Questions Related to projects mentioned in Resume. SQL queries.
- Q2. One coding Question 1. Number of pairs in array having sum k.
- Ans.
Count pairs in array with sum k.
Use a hashmap to store the frequency of each element in the array.
For each element, check if k - element exists in the hashmap.
Increment the count of pairs if found and update the hashmap accordingly.
Interview Preparation Tips
- OOPS
- DBMS
- SQL
- Javascript
- Javascript Frameworks
- Git
- DSA
Skills evaluated in this interview
Selected
I applied via LinkedIn and was interviewed before May 2023. There were 3 interview rounds.
Asked basic mcq and leetcode level questions
(1 Question)
- Q1. It was resume based Interview. Asked about software development questions
(1 Question)
- Q1. Salary based discussions and behavioural questions
Senior Software Engineer Interview Questions & Answers
Grab Greco
Akash Bisariya
posted on 6 Jul 2023
Selected
I applied via Company Website and was interviewed before Jul 2022. There were 6 interview rounds.
This round contains live coding round on any online editor.
(1 Question)
- Q1. This round based on your profile related technical questions.
(1 Question)
- Q1. System design round as well as technical related to the applied profile
(1 Question)
- Q1. Normal organisational fitment questions
(1 Question)
- Q1. HR discussion on offered compensation
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