Saras 3D Technical Subject Matter Expert Interview Questions and Answers for Experienced

They given some topic on gd

They gave some gd questions

Q1. Asking some technical questions
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Q1. Asking person data qnd techicql questions also
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Q2. Personal data of school and other things
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Q3. Some techinql questions on before worked Project
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3 questions, 2 dsa and 1 sql query

4 Rounds:
Online Assesment, Leetcode medium type questions
Application Design: Write solution with Design patterns
LLD
HLD

LeetCode style DS Algo Questions

Q1. Low Level Design
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Q1. High Level Design
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Q1. Normal Behavioural Questions
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Duration: 1Hour 30 Minutes, 2 Coding Questions of Total 175 Marks. 1st Question has 75 marks and 2nd Question has 100 marks.

Q1. 1. Find the smallestMissingNumber in given array using Bitwise OR operation alone 2. Based on Array data Manipulation.
Ans. 
Using Bitwise OR operation to find the smallest missing number in an array.
• Iterate through the array and perform Bitwise OR operation with each element to set corresponding bit in a bitmask

• Iterate through the bitmask to find the first unset bit, which represents the smallest missing number

• Example: Array [0, 1, 3, 4, 6] would have a bitmask of 10101, smallest missing number is 2
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Q2. Q2: Customized Data Extraction From Given Dynamic Array & Perform Some Math Operations On the Extracted Data
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Q1. Write a Pseudo code for given scenario?
Ans. 
Pseudo code for a scenario
• Define variables and data structures needed

• Write the main logic using conditional statements and loops

• Handle edge cases and error conditions

• Test the pseudo code with sample inputs
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Q1. System Design & Design Pattern based questions
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Q1. Not Applicable (Yet to be scheduled)
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Q1. Design a Url Shortener serive
Ans. 
A URL shortener service that converts long URLs into shorter, more manageable links.
• Generate a unique short code for each long URL

• Store the mapping between short code and long URL in a database

• Redirect users from short URL to original long URL when accessed
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Online coding test had two questions to be solved in 60 mins. Medium level questions to be expected.

Q1. Codility test: Moderate level machine coding round, not leetcode type. Deep understanding of interface and backend knowledge required. Interviewer was absolutely uninterested.
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The coding test was divided in 4 sections:
1> Java and SpringBoot multiple choice questions
The question topics included, multihreading, springboot context, security

2> Leetcode style program question 1 - Easy

3> Leetcode style program question 2 - Medium
Length of longest consecutive ones by at most one swap.

4> Sql query question