Securonix Sdet Engineer Interview Questions and Answers

Hackerrank test with medium questions

Q1. Machine coding round to design a shopping cart
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Easy Interview basic questions

Q1. Desing Tic Tac Toe
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Q1. Final Round behavioural questions
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Very Easy questions just do it

Q1. What is your introduction
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Q2. Why SDE 1 only not SDE 2
Ans. 
SDE 1 is an entry-level position where candidates gain foundational skills before advancing to SDE 2.
• SDE 1 focuses on learning and building foundational skills in software development.

• SDE 2 requires more experience and expertise in software development.

• Advancing from SDE 1 to SDE 2 is a common career progression in tech companies.

• SDE 1 roles often involve working on smaller projects or components of larger projects.

• SDE...read more
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Q3. If bully happens will you bully someone
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No, I believe in standing up against bullying and supporting those who are being bullied.
• I do not support bullying in any form and believe in treating others with respect and kindness.

• I would try to intervene and help the person being bullied, either by talking to the bully or seeking help from a teacher or supervisor.

• I believe in creating a positive and inclusive environment where everyone feels safe and respected.
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Q4. If taken leave can you work 7 days a week
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Q1. Data structure related question
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Q1. Nodejs related questions
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Q2. Promises Async Await Events emitter
Ans. 
Promises, async/await, and event emitters are all ways to handle asynchronous operations in JavaScript.
• Promises provide a way to handle asynchronous operations by returning a promise object that can be resolved or rejected.

• Async/await is a syntax for working with promises that makes code easier to read and write.

• Event emitters allow you to create custom events that can be triggered and listened for in your code.
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Q1. System design related question
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Q2. Design a system like facebook
Ans. 
Design a system like Facebook
• Create a user registration and login system

• Implement a news feed for users to see updates from friends

• Allow users to create and join groups

• Include features like messaging, commenting, and liking posts

• Implement privacy settings for users to control who can see their content
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Q1. System design and behavioral
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Round duration - 60 minutes
Round difficulty - Easy

The first round was a coding round. 2 DSA based questions were asked.

Q1. 
Maximum Meetings Problem Statement
Given the schedule of N meetings with their start time Start[i] and end time End[i], you need to determine which meetings can be organized in a single meeting room such ...read more
Ans. 
Greedy approach can be applied to solve this problem. We sort the start and end time pairs for each meeting on the basis of the end time. Then we compare if the next meeting's start time is greater than the previous meeting's end time. If the start time is greater, we can count this meeting and we increase our meeting counter otherwise this meeting can't take place. In this manner, we traverse through all the meeting p...read more
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Q2. 
Peak Element Finder
For a given array of integers arr, identify the peak element. A peak element is an element that is greater than its neighboring elements. Specifically, if arr[i] is the peak, then both...read more
Ans. 
The brute force solution would be to do a linear search and find the element. 
Time Complexity : O(n) 

The brute force solution can be optimized using Binary Search. The idea is to find the bitonic point k which is the index of the maximum element of a given sequence. If the element to be searched is greater than the maximum element return -1, else search the element in both halves. 
Steps : 
1. Find th...read more
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Round duration - 45 minutes
Round difficulty - Medium

The second round was a system design round.

Round duration - 30 minutes
Round difficulty - Easy

This was a typical managerial round.

1 hour round, DSA questions on stacks and hash maps

1 hr round, DSA Q's and Puzzle

There were 2 questions in coding one with array and in string releated

Q1. About Selenium questions
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Q2. Other basic questions related to testing
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Q3. Management related question
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Q1. One program to solve
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Q2. Other questions in selenium
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Q1. Design an Ordering system with multithreading
Ans. 
An ordering system with multithreading for efficient processing
• Use a queue data structure to store incoming orders

• Create multiple threads to process orders concurrently

• Implement synchronization mechanisms to prevent race conditions

• Consider using a thread pool to manage threads

• Use locks or semaphores to ensure thread safety
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Q1. Design a whatsapp like service
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A messaging service with features like text, voice, video calls, group chats, and file sharing.
• Create a user-friendly interface for messaging and calling

• Implement end-to-end encryption for secure communication

• Allow users to create and join groups for group chats

• Enable file sharing for documents, images, and videos

• Provide options for voice and video calls with good quality

• Develop a notification system for new messages a
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Q1. General questions about my projects
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