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Wissen Technology Interview Questions and Answers for Freshers

Updated 2 Jul 2025
Popular Designations

10 Interview questions

A Software Developer was asked 8mo ago
Q. Given an integer array nums and an integer k, return the kth largest element in the array.
Ans. 

Use sorting or heap data structure to find k largest elements in an array of strings.

  • Sort the array in descending order and return the first k elements.

  • Use a max heap data structure to efficiently find the k largest elements.

  • Examples: ['apple', 'banana', 'orange', 'kiwi'], k=2 -> ['orange', 'kiwi']

View all Software Developer interview questions
A Software Developer was asked 8mo ago
Q. Given an array, remove the duplicate elements and return the array without duplicates.
Ans. 

Remove duplicates from array of strings

  • Create a Set to store unique strings

  • Iterate through the array and add each string to the Set

  • Convert the Set back to an array to get the unique strings

View all Software Developer interview questions
An Intern was asked 9mo ago
Q. Easy-medium level sliding window problem
Ans. 

Find the maximum sum of a subarray of size k in an array of integers.

  • Use a sliding window approach to keep track of the sum of the current subarray.

  • Slide the window by adding the next element and subtracting the previous element.

  • Keep track of the maximum sum encountered so far.

  • Return the maximum sum found.

View all Intern interview questions
A Software Developer was asked 10mo ago
Q. How can prime number calculation be optimized, and why?
Ans. 

Optimizing prime number algorithms is crucial for efficient computation in software development.

  • Optimizing prime number algorithms can improve the performance of applications that rely on prime numbers, such as cryptography or number theory.

  • Efficient algorithms like the Sieve of Eratosthenes can significantly reduce the time complexity of finding prime numbers.

  • Using techniques like memoization or dynamic programmi...

View all Software Developer interview questions
A Software Developer was asked 10mo ago
Q. Given a number represented as an array of digits, find the next greater palindrome.
Ans. 

A program to find the next palindrome number after a given number.

  • Convert the given number to a string to easily manipulate individual digits.

  • Increment the number by 1 and check if it is a palindrome.

  • If not a palindrome, repeat the process until a palindrome is found.

View all Software Developer interview questions
A Software Engineer was asked
Q. Given a word, how would you find all its anagrams?
Ans. 

Anagrams in a given word

  • Create a function to find all possible anagrams of a given word

  • Use a hash table to store the frequency of each character in the word

  • Generate all possible permutations of the characters and check if they exist in the hash table

View all Software Engineer interview questions
A Software Developer was asked
Q. Given a string s and an array of strings words, find all starting indices of substring(s) in s that is a concatenation of each word in words exactly once and without any intervening characters.
Ans. 

The question is about finding anagrams in a given string.

  • An anagram is a word or phrase formed by rearranging the letters of another word or phrase.

  • To find anagrams in a string, we can use a hashmap to store the frequency of characters in each word.

  • We can iterate through the string and for each substring of length equal to the length of the target word, check if it is an anagram.

  • If the frequency of characters in t...

View all Software Developer interview questions
Are these interview questions helpful?
A Senior Software Engineer was asked
Q. Write a JavaScript function that returns the letter with the maximum and minimum occurrences in a string.
Ans. 

A javascript function to find the maximum and minimum occurrence of a letter in a string.

  • Create an object to store the count of each letter in the string

  • Loop through the string and update the count in the object

  • Find the maximum and minimum count in the object and return the corresponding letters

View all Senior Software Engineer interview questions
A Senior Software Engineer was asked
Q. Write a JavaScript function to sanitize a string. For example, convert "HoW arE yOu" into "How are you".
Ans. 

This function converts a mixed-case string into a properly formatted lowercase string with the first letter capitalized.

  • Use the `toLowerCase()` method to convert the entire string to lowercase.

  • Split the string into words using the `split(' ')` method.

  • Capitalize the first letter of each word using `charAt(0).toUpperCase()`.

  • Join the words back together with a space using `join(' ')`.

  • Example: sanitizeString('HoW arE ...

View all Senior Software Engineer interview questions
An Intern was asked 9mo ago
Q. Easy-medium level array problem
Ans. 

Find the longest common prefix among an array of strings.

  • Iterate through the characters of the first string and compare with other strings.

  • Stop when a character doesn't match or reach the end of any string.

  • Return the prefix found so far.

View all Intern interview questions

Wissen Technology Interview Experiences for Freshers

12 interviews found

Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I appeared for an interview in Nov 2024.

Round 1 - Coding Test 

Coding test was easy. They asked LC easy anyone with fair understanding of programming can easily solve it.

Round 2 - One-on-one 

(2 Questions)

  • Q1. Asked a question from Blind 75 that i dont remember as of now. I kind of stumbled here yet gave a code for original question
  • Q2. Asked LC hard question. Interviewer was very rude and did not give a shit about my approach when I tried to explain it to him/her. He said just run code against test cases provided. I received rejection ...

Interview Preparation Tips

Interview preparation tips for other job seekers - HRs were very professional and polite but not the interviewer.
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Hackearth online coding test for 1 hour

Round 2 - Technical 

(2 Questions)

  • Q1. Dsa question and output questions
  • Q2. Find k largest element in an array
  • Ans. 

    Use sorting or heap data structure to find k largest elements in an array of strings.

    • Sort the array in descending order and return the first k elements.

    • Use a max heap data structure to efficiently find the k largest elements.

    • Examples: ['apple', 'banana', 'orange', 'kiwi'], k=2 -> ['orange', 'kiwi']

  • Answered by AI
Round 3 - Technical 

(2 Questions)

  • Q1. Remove duplicates from array
  • Ans. 

    Remove duplicates from array of strings

    • Create a Set to store unique strings

    • Iterate through the array and add each string to the Set

    • Convert the Set back to an array to get the unique strings

  • Answered by AI
  • Q2. Output related questions on student class object

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare dsa well

Skills evaluated in this interview

Intern Interview Questions & Answers

user image Anonymous

posted on 22 Sep 2024

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Aug 2024. There were 2 interview rounds.

Round 1 - Coding Test 

Paper pen coding test

Round 2 - Technical 

(4 Questions)

  • Q1. Easy-medium level sliding window problem
  • Ans. 

    Find the maximum sum of a subarray of size k in an array of integers.

    • Use a sliding window approach to keep track of the sum of the current subarray.

    • Slide the window by adding the next element and subtracting the previous element.

    • Keep track of the maximum sum encountered so far.

    • Return the maximum sum found.

  • Answered by AI
  • Q2. Easy-medium level array problem
  • Ans. 

    Find the longest common prefix among an array of strings.

    • Iterate through the characters of the first string and compare with other strings.

    • Stop when a character doesn't match or reach the end of any string.

    • Return the prefix found so far.

  • Answered by AI
  • Q3. Gave me a condition and asked what data structure i would use. Problem was related to data retrieval so we would use hashmaps.
  • Q4. They also asked sql queires and dbms related concepts (ACID, etc)

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

1st Round was Written Coding test Q> Next Palindrome, Q> ATM machine design Q> SQl query Q> Elephant and banana Prime number Story base question

Round 2 - One-on-one 

(2 Questions)

  • Q1. Find the Next Palindrome
  • Ans. 

    A program to find the next palindrome number after a given number.

    • Convert the given number to a string to easily manipulate individual digits.

    • Increment the number by 1 and check if it is a palindrome.

    • If not a palindrome, repeat the process until a palindrome is found.

  • Answered by AI
  • Q2. Prime number optimisation and why ?
  • Ans. 

    Optimizing prime number algorithms is crucial for efficient computation in software development.

    • Optimizing prime number algorithms can improve the performance of applications that rely on prime numbers, such as cryptography or number theory.

    • Efficient algorithms like the Sieve of Eratosthenes can significantly reduce the time complexity of finding prime numbers.

    • Using techniques like memoization or dynamic programming ca...

  • Answered by AI

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed in Mar 2024. There were 2 interview rounds.

Round 1 - Coding Test 

3 coding questions, very basic

Round 2 - One-on-one 

(1 Question)

  • Q1. Again DSA and DBMS questions, easy to medium easy

Interview Preparation Tips

Interview preparation tips for other job seekers - Just practice on oops, DSA and DBMS.
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
No response

I applied via Campus Placement and was interviewed in Oct 2023. There were 3 interview rounds.

Round 1 - Coding Test 

There were 3 dsa questions

Round 2 - Technical 

(1 Question)

  • Q1. Normal cse questions from topics like os,oops, dbms and dsa
Round 3 - Technical 

(1 Question)

  • Q1. Similar just into some deep dsa and oops,os, sql questions to write on notepad
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
-
Result
Selected Selected
Round 1 - Coding Test 

1. Find repeated element in the array

Round 2 - Technical 

(2 Questions)

  • Q1. 1. HashMap 2. SQL queries 3. OOP
  • Q2. 1. Anagrams in a given word
  • Ans. 

    Anagrams in a given word

    • Create a function to find all possible anagrams of a given word

    • Use a hash table to store the frequency of each character in the word

    • Generate all possible permutations of the characters and check if they exist in the hash table

  • Answered by AI
Round 3 - HR 

(1 Question)

  • Q1. Why you want to join this org

Interview Preparation Tips

Interview preparation tips for other job seekers - be ready with your java basics

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Jun 2023. There were 6 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - Aptitude Test 

Two coding questions. Easy

Round 3 - Coding Test 

Offline pen paper coding test

Round 4 - Group Discussion 

Group discussion on the topic Future of electric vehicles

Round 5 - Technical 

(2 Questions)

  • Q1. Maximum sub array, SQL,
  • Q2. Anagrams in a string
  • Ans. 

    The question is about finding anagrams in a given string.

    • An anagram is a word or phrase formed by rearranging the letters of another word or phrase.

    • To find anagrams in a string, we can use a hashmap to store the frequency of characters in each word.

    • We can iterate through the string and for each substring of length equal to the length of the target word, check if it is an anagram.

    • If the frequency of characters in the su...

  • Answered by AI
Round 6 - Technical 

(1 Question)

  • Q1. Networking , Projects

Skills evaluated in this interview

Internship Trainee Interview Questions & Answers

user image Biprojit Giri

posted on 19 Jun 2024

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

It was a written test. There were 6 coding questions. All were medium to difficult questions. One of those was a Database schema-related question.

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
-

I appeared for an interview in Nov 2022.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. C# wpf sql design pattern
  • Q2. Query optimisation, logic check

Top trending discussions

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Interview Tips & Stories
2w
toobluntforu
·
works at
Cvent
Can speak English, can’t deliver in interviews
I feel like I can't speak fluently during interviews. I do know english well and use it daily to communicate, but the moment I'm in an interview, I just get stuck. since it's not my first language, I struggle to express what I actually feel. I know the answer in my head, but I just can’t deliver it properly at that moment. Please guide me
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Wissen Technology Interview FAQs

How many rounds are there in Wissen Technology interview for freshers?
Wissen Technology interview process for freshers usually has 2-3 rounds. The most common rounds in the Wissen Technology interview process for freshers are Technical, Coding Test and One-on-one Round.
How to prepare for Wissen Technology interview for freshers?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Wissen Technology. The most common topics and skills that interviewers at Wissen Technology expect are Algorithms, Coding, Collections, Core Java and Data Structures.
What are the top questions asked in Wissen Technology interview for freshers?

Some of the top questions asked at the Wissen Technology interview for freshers -

  1. Write a javascript function which returns maximum and minimum occurrence of le...read more
  2. Write a javascript function to sanitize string. e.g "HoW arE yOu" into "How are...read more
  3. Prime number optimisation and wh...read more
What are the most common questions asked in Wissen Technology HR round for freshers?

The most common HR questions asked in Wissen Technology interview are for freshers -

  1. What are your strengths and weakness...read more
  2. What is your family backgrou...read more
  3. What are your salary expectatio...read more
How long is the Wissen Technology interview process?

The duration of Wissen Technology interview process can vary, but typically it takes about less than 2 weeks to complete.

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Overall Interview Experience Rating

4/5

based on 11 interview experiences

Difficulty level

Easy 29%
Moderate 71%

Duration

Less than 2 weeks 83%
2-4 weeks 17%
View more

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