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Evolko Software Developer Interview Questions and Answers

Updated 31 Jan 2022

Evolko Software Developer Interview Experiences

1 interview found

I applied via Naukri.com and was interviewed in Jul 2021. There were 3 interview rounds.

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 - One-on-one 

(2 Questions)

  • Q1. React js question like callback ,hoisting basic react question
  • Q2. Callback hoisting promises
Round 3 - Assignment 

Interview Preparation Tips

Interview preparation tips for other job seekers - basic question and one round of interview

Interview questions from similar companies

Interview Questionnaire 

5 Questions

  • Q1. In C programming they asked about storage classes, Volatile , Whole compilation process steps by steps, Dangling pointer , Memory leak, Memory corruption
  • Q2. In data structure they asked question on String , Linked List and array
  • Q3. Data structure question section is easy don't go for complex algorithms just study basic algorithms. like reverse the linked list in group on given size
  • Q4. They also asked question on bit manipulation. Like Check that given number binary representation is palindrome or not?
  • Q5. Swap even and odd bits in given number
  • Ans. 

    Swap even and odd bits in a given number

    • Create a mask for even bits and odd bits

    • Shift even bits to right and odd bits to left

    • Combine even and odd bits using bitwise OR operator

  • Answered by AI

Interview Preparation Tips

College Name: NA

Skills evaluated in this interview

I appeared for an interview in Sep 2016.

Interview Preparation Tips

Round: Test
Experience: Questions aren't tough but they take more time to read itself.
Tips: First try to attempt the questions which are seemingly small. Reading bigger questions first and wasting more time on that isnt a good idea at all.
Duration: 30 minutes
Total Questions: 30

Skills: Technical Skill, Analytical Skills
College Name: IIT Kharagpur

I applied via Campus Placement

Interview Questionnaire 

4 Questions

  • Q1. What is a program, task and threads
  • Ans. 

    A program is a set of instructions that tells a computer what to do. A task is a unit of work performed by a program. A thread is a sequence of instructions within a task.

    • A program is a collection of instructions that are executed by a computer to perform a specific task.

    • A task is a unit of work that is performed by a program. It can be a specific action or a set of actions.

    • A thread is a sequence of instructions within...

  • Answered by AI
  • Q2. Delete a node in a linked list
  • Ans. 

    To delete a node in a linked list, we need to adjust the pointers of the previous and next nodes.

    • Find the node to be deleted by traversing the linked list

    • Adjust the pointers of the previous and next nodes to skip the node to be deleted

    • Free the memory occupied by the node to be deleted

  • Answered by AI
  • Q3. What is a function pointer and volatile type in c
  • Ans. 

    A function pointer is a variable that stores the address of a function. Volatile type is used to declare variables that can be modified by external factors.

    • Function pointers are used to pass functions as arguments to other functions.

    • Volatile type is used when a variable's value can be changed unexpectedly by external factors.

    • Function pointers can be used to implement callbacks or event handling mechanisms.

    • Volatile type...

  • Answered by AI
  • Q4. Summarise your resume
  • Ans. 

    Experienced software developer with expertise in Java, Python, and SQL

    • Proficient in Java, Python, and SQL programming languages

    • Developed web applications using Java Spring framework

    • Experience with database management and optimization using SQL

    • Worked on various software projects in a team environment

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: Paper was challenging and It was well set.

Duration: 90 minutes
Total Questions: 60

Round: Technical Interview
Experience: It was a very good experience overall. Interviewer helped to ease the tension.
Tips: Waiting time can be reduced.

General Tips: Prepare for precedence of operators in C.
Try to be fast in solving the problems.
Skills: Knowledge Of Your Resume Points, Pointers In C, Operating System Basics
Duration: 2
College Name: IIT Madras
Motivation: Qualcomm is a

Skills evaluated in this interview

I appeared for an interview in Oct 2016.

Interview Questionnaire 

8 Questions

  • Q1. C,C++, Programming Concepts
  • Q2. Resume Based
  • Q3. Puzzle Questions
  • Q4.  OS, Database, Networking, Computer Architecture based question
  • Q5. Project Based- Briefs, Details
  • Q6. What are your hobbies
  • Ans. 

    My hobbies include hiking, playing guitar, and cooking.

    • Hiking: I enjoy exploring nature trails and challenging myself physically.

    • Playing guitar: I love learning new songs and improving my skills.

    • Cooking: I like experimenting with different recipes and creating delicious meals.

  • Answered by AI
  • Q7. Where do you see yourself in 5 years
  • Ans. 

    In 5 years, I see myself as a senior software developer leading a team and working on complex projects.

    • Leading a team of developers

    • Working on complex projects

    • Continuously learning and improving my skills

    • Contributing to the growth and success of the company

  • Answered by AI
  • Q8. Why do you want to join DELL.
  • Ans. 

    I want to join DELL because of their innovative technology solutions and strong reputation in the industry.

    • DELL is known for their cutting-edge technology solutions which align with my passion for software development.

    • I admire DELL's strong reputation in the industry and their commitment to customer satisfaction.

    • I believe joining DELL will provide me with opportunities for growth and career advancement.

  • Answered by AI

Interview Preparation Tips

Round: Resume Shortlist
Experience: CGPA>9.0

Skills: Technical Skills
College Name: KIIT University

I appeared for an interview in Jan 2017.

Interview Preparation Tips

Round: Group Discussion
Experience: All got different topics to discuss on gd.
Tips: Plan before you speak. Be sure whether you are to or against.
Duration: 5 minutes

Round: Test
Experience: More questions on blood relationship, ages
Tips: Os db on technical
Duration: 1 hour

Skills: Technical Questions, Manage A Difficult Situation, Technical Knowledge(ML

Interview Questionnaire 

6 Questions

  • Q1. INPUT : "HI MY NAME IS : ANIRUDDHA , CALL ME MAYBE :)" OUTPUT : "MAYBE ME CALL ANIRUDDHA IS NAME MY HI
  • Q2. Reverse a linked list (iterative AND Recursive)
  • Ans. 

    Reverse a linked list using iterative and recursive methods.

    • Iterative method involves traversing the list and changing the pointers to reverse the order.

    • Recursive method involves calling the function recursively on the next node and changing the pointers.

    • Both methods have O(n) time complexity and O(1) space complexity.

    • Example: 1->2->3->4->5 becomes 5->4->3->2->1.

  • Answered by AI
  • Q3. Clone a FULL linked list given a pointer and a random pointer
  • Ans. 

    Clone a linked list with a random pointer.

    • Create a new node for each node in the original list.

    • Use a hash table to map the original nodes to their clones.

    • Iterate through the original list again and update the random pointers of the clone nodes.

  • Answered by AI
  • Q4. TELL ME ABOUT YOURSELF
  • Q5. QUOTE YOUR STRENGHTS AND WEAKNESS
  • Q6. WHY SHOULD I HIRE YOU?

Interview Preparation Tips

Round: Test
Experience: 50 QUANTITATIVE APTITUDE QUESTIONS CUTOFF 30 out of 50
Total Questions: 50

Round: Test
Experience: WRITTEN ON PAPER CODING QUESTIONS
1) Given a string like
INPUT : ( ( TRUE OR FALSE ) AND ( FALSE OR TRUE ) ) OR FLASE
OUTPUT: TRUE
EVALUATE THE GIVEN EXPRESSION
2) Print all sub strings of maximum length having 2 unique characters
e.g:
INPUT : "hellomorning"
OUTPUT : "ell","llo","omo","nin"
3) Find the max length of subarray having ZERO SUM
INPUT : {3,2,1,1,0,-2,1,3,-5,1,2,1,4} OUTPUT: 7

Round: Test
Experience: 1) An array has 2N elements with N elements are same and another n are mutually different.
So find this repeating element in O(N) time with O(1) space
INPUT : {1,2,3,1}
OUTPUT: 1

2) Print the common words from given two sentences
AND YOU HAVE TO CONSIDER ALL CASES LIKE Colon, Hyphen, Dash, and Semicolons may be EMBEDDED IN BOTH SENTENCES
INPUT: sentence:1:: "HI ALL,RAMESH is mt brother,he has topped in the exam AND MY NAME IS NOT IN THE LIST"

sentence:2:: "all students are advised to READ THE LIST and say hi to RAMESH"

OUTPUT: "HI","ALL","RAMESH","THE","AND","LIST"

3) Sort the give dates collection given in special format like 10-04-2013,10-05-2005,29-02-2000 IN ASCENDING ORDER

OUTPUT: 29-02-2000,10-05-2005,10-04-2013

Round: Technical Interview
Experience: Then he started talking about my projects,Again jumped into coding questions
1. INPUT : "HI MY NAME IS : ANIRUDDHA , CALL ME MAYBE :)"
OUTPUT : "MAYBE ME CALL ANIRUDDHA IS NAME MY HI"
2. Reverse a linked list (iterative AND Recursive)
3. Clone a FULL linked list given a pointer and a random pointer

Round: HR Interview
Experience: TELL ME ABOUT YOURSELF.

QUOTE YOUR STRENGHTS AND WEAKNESS

WHY SHOULD I HIRE YOU?

College Name: NA

Skills evaluated in this interview

Interview Preparation Tips

Round: HR Interview
Experience: This interview is meant to check candidate's background and candidates's interest towards the company.

College Name: NIT BHOPAL

Interview Questionnaire 

9 Questions

  • Q1. Input an array and then print the repeating characters?? Example: Input:1,3,23,11,44,3,23,2,3. Output:3,23
  • Ans. 

    The question asks to input an array and print the repeating characters.

    • Iterate through the array and store each element in a hash table or dictionary.

    • If an element already exists in the hash table, it is a repeating character.

    • Print all the repeating characters found.

  • Answered by AI
  • Q2. Input an array and prints the second minimum in an array?? Example Input:34,45,21,12,54,67,15 Output:15
  • Ans. 

    Program to find the second minimum in an array.

    • Sort the array and return the second element.

    • Initialize two variables to store minimum and second minimum values.

    • Loop through the array and update the variables accordingly.

  • Answered by AI
  • Q3. Find the longest palendrom in a string? Example Input: abfgerccdedccfgfer Output: ccdedcc
  • Ans. 

    To find the longest palindrome in a given string.

    • Iterate through the string and check for palindromes of odd and even lengths.

    • Keep track of the longest palindrome found so far.

    • Use two pointers to check if the substring is a palindrome.

    • If the substring is a palindrome and its length is greater than the current longest palindrome, update the longest palindrome.

  • Answered by AI
  • Q4. Input a number and then find the next higher number such that for both the number (inputted and the next higher number) in binary representation contains equal number os ones. Example: Input:3(000000000000...
  • Ans. 

    Find the next higher number with equal number of ones in binary representation.

    • Convert input number to binary

    • Count number of ones in binary representation

    • Increment input number until binary representation has equal number of ones

    • Convert incremented number to decimal

  • Answered by AI
  • Q5. An array contain 6 different numbers, only 1 number is repeated for 5 times. So now total 10 numbers in array, Find that duplicate number in 2 steps only?
  • Ans. 

    Find the duplicate number in an array of 10 numbers with only 2 steps.

    • Use a hash set to keep track of visited numbers.

    • Iterate through the array and check if the number is already in the set.

    • If it is, then it is the duplicate number.

    • If not, add it to the set.

    • At the end, the duplicate number will be found.

  • Answered by AI
  • Q6. Write a program to print elements of a linked list in reverse order by using same single linked list?
  • Ans. 

    Program to print elements of a linked list in reverse order using same single linked list

    • Traverse the linked list and push each element onto a stack

    • Pop elements from the stack and print them in reverse order

  • Answered by AI
  • Q7. Questions on improving complexity of questions given in coding round
  • Q8. Html tags & ct their no of occurance of each tag & also check whether it correct or not?
  • Ans. 

    To check the occurrence and correctness of HTML tags, we can use various tools and techniques.

    • One way is to use a browser's developer tools to inspect the HTML code and see the tags and their frequency.

    • Another way is to use an online HTML validator tool that checks for correct syntax and tag usage.

    • We can also use programming languages like Python to parse HTML and count the occurrence of each tag.

    • Regular expressions ca...

  • Answered by AI
  • Q9. Few questions were on database tables and sql queries?

Interview Preparation Tips

Skills: Algorithm, data structures
College Name: na

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. Questions based on previous written test are asked. Most common being to optimize the solution further

Interview Preparation Tips

Round: Test
Experience: The quantitative section was tougher than usual. There were tricky questions from Trigonometry and Mensuration.
3 Coding Questions were asked. Any programming language including pseudo-code was allowed.
String Manipulation seemed to be a favorite topic
Tips: Go through formulas and shortcuts for the Quantitative Section
Duration: 120 minutes
Total Questions: 40

Round: Test
Experience: 3 Questions. 30 minutes for each. This test was at the company premises.
Tips: Try to have more than one approach figured out.
Duration: 90 minutes
Total Questions: 3

Round: Technical Interview
Experience: Nice and Interactive interview. Interview to test flexibility in approach.

General Tips: Try to communicate well with the Interviewer. Don't hesitate in asking for feedback and advice after the interview is over with.
Skills: Coding, Problem Solving
College Name: NIT BHOPAL

Evolko Interview FAQs

How many rounds are there in Evolko Software Developer interview?
Evolko interview process usually has 3 rounds. The most common rounds in the Evolko interview process are Resume Shortlist, One-on-one Round and Assignment.
What are the top questions asked in Evolko Software Developer interview?

Some of the top questions asked at the Evolko Software Developer interview -

  1. react js question like callback ,hoisting basic react quest...read more
  2. callback hoisting promi...read more

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₹2.9 L/yr - ₹6 L/yr
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