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Signify Software Development Engineer Interview Questions and Answers

Updated 6 Feb 2025

Signify Software Development Engineer Interview Experiences

2 interviews found

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

(2 Questions)

  • Q1. Set a bit, make function pointers, etc
  • Ans. 

    Setting a bit and using function pointers in software development.

    • To set a bit, use bitwise OR operator: num |= 1 << bitPosition

    • To create function pointers, declare a pointer variable and assign the address of the function to it

    • Example: int num = 0; num |= 1 << 2; // Sets the 3rd bit

    • Example: void (*funcPtr)() = &someFunction; // Function pointer to 'someFunction'

  • Answered by AI
  • Q2. Deadlock,rtos, ipc, etc

I applied via Recruitment Consulltant and was interviewed in Sep 2021. There were 5 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Data structures and algorithms based scenarios and hackerrank kinda coding questions
Round 2 - Technical 

(1 Question)

  • Q1. Multi threading, performance tuning,and cloud based questions
Round 3 - HR 

(4 Questions)

  • Q1. Share details of your previous job.
  • Q2. Why are you looking for a change?
  • Q3. What are your strengths and weaknesses?
  • Q4. Why should we hire you?
Round 4 - One-on-one 

(1 Question)

  • Q1. Discussion on my understanding about the lighting industry and vision of the organisation.
Round 5 - HR 

(2 Questions)

  • Q1. Share details of your previous job.
  • Q2. What are your salary expectations?

Interview Preparation Tips

Interview preparation tips for other job seekers - get a deeper knowledge on the technologies you have worked in past. showcase how quick you can learn and adapt to new trends in the software development division with IoT solutions in mind

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Q5. Have you worked on cloud technology? Architecture of cloud

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Interview Questionnaire 

2 Questions

  • Q1. Questions regarding projects and DSA
  • Q2. Prepare your projects and CV well if if going into research profile, prepare DSA well if going into developer profile.

I appeared for an interview before Nov 2020.

Round 1 - Coding Test 

(2 Questions)

Round duration - 150 Minutes
Round difficulty - Medium

Have to attempt 2 programming questions within 2:30 hours. Can take any time over the weekend. Relatively easy problems. Questions were long, but the solution code was small.

  • Q1. 

    The Skyline Problem

    Compute the skyline of given rectangular buildings in a 2D city, eliminating hidden lines and forming the outer contour of the silhouette when viewed from a distance. Each building is ...

  • Ans. 

    Compute the skyline of given rectangular buildings in a 2D city, eliminating hidden lines and forming the outer contour of the silhouette.

    • Iterate through the buildings and create a list of critical points (x, y) where the height changes.

    • Sort the critical points based on x-coordinate and process them to generate the skyline.

    • Merge consecutive horizontal segments of equal height to ensure no duplicates in the output.

  • Answered by AI
  • Q2. 

    MergeSort Linked List Problem Statement

    You are given a Singly Linked List of integers. Your task is to sort the list using the 'Merge Sort' algorithm.

    Input:

    The input consists of a single line contain...
  • Ans. 

    Sort a Singly Linked List using Merge Sort algorithm.

    • Implement the Merge Sort algorithm for linked lists.

    • Divide the list into two halves, sort each half recursively, then merge them.

    • Use a fast and slow pointer to find the middle of the list for splitting.

    • Handle the base case of a single node or empty list.

    • Example: Input: 4 3 2 1 -1, Output: 1 2 3 4

  • Answered by AI
Round 2 - Coding Test 

(1 Question)

Round duration - 240 Minutes
Round difficulty - Medium

Had to solve 1 programming question in 4 hours. It was in the morning on a weekend. The environment was not so good. It was a small institute and got very crowded. The platform was also buggy. but the question was not difficult. Was able to solve it in just 1 hour and leave.

  • Q1. 

    Batch Photography Problem

    Alex has acquired a machine that can photocopy photos in batches of a minimum size 'K'. Given 'N' photos with resolutions represented in an integer array photos, the machine prod...

  • Ans. 

    Minimize maximum error by splitting photos into batches of size at least 'K'.

    • Sort the array of resolutions in ascending order.

    • Iterate through the array and calculate the error for each possible batch.

    • Return the minimum possible maximum error found.

  • Answered by AI
Round 3 - Video Call 

(1 Question)

Round duration - 30 Minutes
Round difficulty - Easy

It was in the afternoon. The interviewer basically asked me what technologies I have worked on. Checked my knowledge of those technologies with simple questions. Told me what I'll be working on if I get selected.

  • Q1. 

    Sort 0 1 2 Problem Statement

    Given an integer array arr of size 'N' containing only 0s, 1s, and 2s, write an algorithm to sort the array.

    Input:

    The first line contains an integer 'T' representing the n...
  • Ans. 

    Sort an integer array containing only 0s, 1s, and 2s in linear time complexity.

    • Use three pointers to keep track of the positions of 0s, 1s, and 2s in the array.

    • Iterate through the array and swap elements based on the values encountered.

    • Maintain left pointer for 0s, right pointer for 2s, and current pointer for traversal.

    • Example: If current element is 0, swap it with element at left pointer and increment both pointers.

    • E...

  • Answered by AI
Round 4 - Video Call 

(2 Questions)

Round duration - 90 Minutes
Round difficulty - Hard

It was also in the afternoon. The interviewer was the member of the team I'll be working on if I get selected. He asked me some basic questions about related technologies.
Gave me 2-3 DS & Algo problems and asked me to solve them.

  • Q1. 

    Array Sum Calculation

    Calculate the sum of all elements in an array of length N.

    Input:

    Line 1: An integer N indicating the size of the array.
    Line 2: N integers, the elements of the array, separated by ...
  • Ans. 

    Calculate the sum of all elements in an array of length N.

    • Iterate through the array and add each element to a running sum.

    • Return the final sum as the output.

  • Answered by AI
  • Q2. 

    Ninja and Alien Language Order Problem

    An alien dropped its dictionary while visiting Earth. The Ninja wants to determine the order of characters used in the alien language, based on the given list of wor...

  • Ans. 

    Determine the order of characters in an alien language based on a list of words.

    • Create a graph where each character is a node and there is a directed edge from character 'a' to character 'b' if 'a' comes before 'b' in any word.

    • Perform a topological sort on the graph to get the order of characters.

    • Return the order as a string in lexicographical order.

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in BangaloreEligibility criteriaNo CriteriaSamsung R&D Institute interview preparation:Topics to prepare for the interview - Recursion, Backtracking, Dynamic Programming, Trees, ArrayTime required to prepare for the interview - 4 MonthsInterview preparation tips for other job seekers

Tip 1 : It's a Daily process. Not weekly, Not monthly. DAILY!
Tip 2 : Take part in Online Contests. HackerEarth is best for Contests posted by companies.
Tip 3 : Even after you have solved some problem, try to find a better solution for it online. Companies don't want a solution, they want optimized solution.

Application resume tips for other job seekers

Tip 1 : Modify resume for each job you are applying for. It should show why you are suitable for that particular job.
Tip 2 : Remove any extra things like interests and hobbies. No one cares.

Final outcome of the interviewSelected

Skills evaluated in this interview

I applied via Naukri.com and was interviewed before Jun 2021. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. C,c++ questions like oops
Round 2 - Coding Test 

Networking and linux internals

Interview Preparation Tips

Interview preparation tips for other job seekers - easy to crack the interview, just be mindful

I appeared for an interview in Aug 2016.

Interview Questionnaire 

2 Questions

  • Q1. Questions related to my project, questions on binary tree, questions from OS (like paging and scheduling). Interviewer also asked about competitive coding
  • Q2. Formal questions regarding my background, family members etc

Interview Preparation Tips

Round: Test
Duration: 1 hour

Skills: General Coding And Problem Solving, Puzzle Solving Capability
College Name: NIT Jamshedpur

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

I appeared for an interview in Sep 2016.

Interview Preparation Tips

Round: Test
Experience: There was an online test having 3 section, one for aptitude testing, one for logical testing and the last one for technical testing.
Aptitude and logical questions were very basic.
Technical questions included : C C++ Java DS DBMS DAA
Tips: For aptitude and logical part, you need to prepare regularly. Nothing comes out of the box, but you just have to be quick in solving the questions.
For the technical part, prepare well by revising your course materials. Basic one word questions are asked.
Duration: 1 hour
Total Questions: 60

Round: Coding
Experience: This round consists of multiple sets of coding. One question per paper. It's on your luck, which question you'll get. Also,net is allowed. You have to complete the code and show it to the invigilator.
Tips: This round is generally not there in placement drives of DELL. It is on your luck.

Skills: Communication, Data Structures, Basic Knowledge Of DBMS
College Name: Manipal University Jaipur

I applied via Campus Placement and was interviewed in Dec 2016. There were 5 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Basic question on my inclination of work, and my family background.

Interview Preparation Tips

Round: Test
Experience: There was a np complete problem given. Brute force solution worked
Duration: 3 hours
Total Questions: 1

College Name: IIT Madras

Signify Interview FAQs

How many rounds are there in Signify Software Development Engineer interview?
Signify interview process usually has 3 rounds. The most common rounds in the Signify interview process are Technical, HR and One-on-one Round.
What are the top questions asked in Signify Software Development Engineer interview?

Some of the top questions asked at the Signify Software Development Engineer interview -

  1. Set a bit, make function pointers, ...read more
  2. data structures and algorithms based scenarios and hackerrank kinda coding ques...read more
  3. multi threading, performance tuning,and cloud based questi...read more

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Signify Software Development Engineer Interview Process

based on 2 interviews

Interview experience

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Signify Software Development Engineer Salary
based on 17 salaries
₹12.1 L/yr - ₹33.5 L/yr
44% more than the average Software Development Engineer Salary in India
View more details

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based on 2 reviews

3.0/5

Rating in categories

2.4

Skill development

3.0

Work-life balance

2.7

Salary

3.7

Job security

3.7

Company culture

2.4

Promotions

2.4

Work satisfaction

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