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ION Group Sdet Engineer Interview Questions and Answers
ION Group Sdet Engineer Interview Experiences
3 interviews found
Anonymous
I applied via LinkedIn and was interviewed in Sep 2024. There were 3 interview rounds.
It was not that hard actually.
It was not that hard actually
(2 Questions)
- Q1. It was Introduction question
- Q2. Nothing else major part of the interview
I applied via Campus Placement and was interviewed in Jul 2023. There were 2 interview rounds.
Aptitude and 2 coding questions
(1 Question)
- Q1. Questions about resume, Puzzles and DSA questions
Interview Preparation Tips
Selected
I applied via Referral and was interviewed before Mar 2023. There were 3 interview rounds.
All about simple coding, mcqs and a bit og apti
(1 Question)
- Q1. Oops, dsa, algorithms, design
General discussion on people process tech an dproduct
Top trending discussions
Interview questions from similar companies
Interview Preparation Tips
Tips: * Easy technical questions
* Hiring procedure is more of technical assessment + personality assessment
Skills:
College Name: IIT Madras
SONELAL GUPTA
Interview Questionnaire
8 Questions
- Q1. Find a number which occurs odd number of times and all number occurs even number of times
- Ans.
Find an odd occurring number among even occurring numbers.
Use XOR operation to cancel out even occurring numbers and get the odd occurring number.
Iterate through the array and XOR each element with the result variable.
The final result will be the odd occurring number.
- Q2. Some discussion about my minor project
- Q3. Spiral order of binary tree and mattrix, print it
- Ans.
Print the spiral order of a binary tree and matrix.
For binary tree, use level order traversal and alternate direction for each level.
For matrix, use four pointers to traverse in spiral order.
Example for binary tree: 1 -> 2 -> 3 -> 4 -> 5 -> 6 -> 7 -> 8 -> 9
Example for matrix: 1 2 3 4 -> 8 7 6 5 -> 9 10 11 12 -> 16 15 14 13
- Q4. Some question about os,dbms
- Q5. Find pair which have a given sum in a given array
- Ans.
Finding pairs in an array with a given sum.
Iterate through the array and for each element, check if the difference between the given sum and the element exists in the array.
Use a hash table to store the elements of the array and their indices for faster lookup.
If there are multiple pairs with the same sum, return any one of them.
If no pair is found, return null or an empty array.
- Q6. Find total number of k element which have a given avg in a given array in minimum time complexity
- Ans.
Find total number of k element with given avg in an array in minimum time complexity.
Use sliding window technique to traverse the array in O(n) time complexity.
Maintain a sum variable to keep track of the sum of elements in the window.
If the sum of elements in the window is equal to k times the given avg, increment the count.
Move the window by subtracting the first element and adding the next element in the array.
- Q7. Print all elements which in not boundary element in a given binary tree
- Ans.
Printing non-boundary elements of a binary tree
Traverse the tree in any order (preorder, inorder, postorder)
Check if the current node is not a boundary node (not the first or last node in its level)
If it is not a boundary node, print its value
Recursively traverse its left and right subtrees
- Q8. Then some question about process synchronisation,error vs exception,and then 2-3 hr question
Interview Preparation Tips
Experience: practice codes on paper
Tips:
Round: Technical Interview
Experience: very good
Tips: please try to explain each and every question in detail
Round: Technical Interview
Experience: my hr round is not taken by them,and some of face 3rd round ,which is HR
Tips: please prepare all types of problem from geeksforgeeks
Skill Tips: please try to understand every problem from geeksforgeeks
Skills: ds
College Name: NIT Bhopal
Motivation: best work culture,and a lots of learning opportunity in this company,and in every 6 month there is a appraisal
Skills evaluated in this interview
Selected
I applied via Referral and was interviewed in Sep 2023. There was 1 interview round.
(1 Question)
- Q1. General data structure question based
I applied via Naukri.com and was interviewed in Jul 2024. There was 1 interview round.
(4 Questions)
- Q1. What is the difference between normal and arrow functions
- Ans.
Arrow functions are more concise and have a lexical 'this' binding compared to normal functions.
Arrow functions do not have their own 'this' keyword, they inherit it from the parent scope.
Arrow functions do not have their own 'arguments' object.
Arrow functions cannot be used as constructors with 'new'.
Arrow functions are more concise and have implicit return when no curly braces are used.
- Q2. All basic JS Questions to cover Hoisting closure
- Q3. They asked to show me an example using the API call
- Q4. Difference between forEach and Map
- Ans.
forEach is used to iterate over an array and perform a function on each element, while map creates a new array by applying a function to each element.
forEach does not return a new array, while map does
forEach does not modify the original array, while map creates a new array
forEach is used for side effects, while map is used for transformation
Example: forEach - array.forEach(item => console.log(item)), map - const newAr
Interview Preparation Tips
Skills evaluated in this interview
Bisrat Walle Yigzaw
Data Structures and Algorithms
Data Structures and Algorithms
(1 Question)
- Q1. System Design Round
(2 Questions)
- Q1. Tell me about yourself?
- Q2. Why do you want to join our company?
(2 Questions)
- Q1. Two leetcode mid questions
- Q2. One leetcode mid question
I applied via Campus Placement and was interviewed in Jul 2023. There were 3 interview rounds.
Easy 10 -12 coding based mcq type questions. 1 question had to write code
(1 Question)
- Q1. 1 graph question 1 dp question
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ION Group Sdet Engineer Interview Process
based on 3 interviews
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