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Insider Interview Questions and Answers

Updated 19 Oct 2023

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Design Lead Interview Questions & Answers

user image Anonymous

posted on 19 Oct 2023

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

I applied via LinkedIn and was interviewed before Oct 2022. There were 4 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 - HR 

(1 Question)

  • Q1. Usual, experience, about yourself.
Round 3 - Assignment 

Design a poster for a comedy event.

Round 4 - One-on-one 

(1 Question)

  • Q1. General communication, dealing with stress, culture etc

Interview Preparation Tips

Interview preparation tips for other job seekers - Be honest about what you're looking for, and be free in conversation

Design Lead Interview Questions asked at other Companies

Q1. Difference between cove light and rope light.
View answer (1)

Jobs at Insider

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Interview questions from similar companies

I appeared for an interview before Sep 2020.

Round 1 - Face to Face 

(2 Questions)

Round duration - 60 Minutes
Round difficulty - Easy

  • Q1. 

    0/1 Knapsack Problem Statement

    A thief is planning to rob a store and can carry a maximum weight of 'W' in his knapsack. The store contains 'N' items where the ith item has a weight of 'wi' and a value of...

  • Ans. 

    Yes, the 0/1 Knapsack problem can be solved using dynamic programming with a space complexity of not more than O(W).

    • Use a 1D array to store the maximum value that can be stolen for each weight capacity from 0 to W.

    • Iterate through each item and update the array based on whether including the item would increase the total value.

    • The final value in the array at index W will be the maximum value that can be stolen.

  • Answered by AI
  • Q2. 

    Find the Second Largest Element

    Given an array or list of integers 'ARR', identify the second largest element in 'ARR'.

    If a second largest element does not exist, return -1.

    Example:

    Input:
    ARR = [2,...
  • Ans. 

    Find the second largest element in an array of integers.

    • Iterate through the array to find the largest and second largest elements.

    • Handle cases where all elements are identical.

    • Return -1 if a second largest element does not exist.

  • Answered by AI
Round 2 - Video Call 

(1 Question)

Round duration - 60 Minutes
Round difficulty - Easy

System Design Round

  • Q1. Design a system for Twitter, discussing its architecture, key components, and scalability considerations.
  • Ans. 

    Design a scalable system for Twitter with key components and architecture.

    • Use microservices architecture for scalability and fault isolation.

    • Key components include user service, tweet service, timeline service, and notification service.

    • Use a distributed database like Cassandra for storing tweets and user data.

    • Implement a message queue like Kafka for handling real-time updates and notifications.

    • Use a caching layer like ...

  • Answered by AI
Round 3 - HR 

Round duration - 30 Minutes
Round difficulty - Easy

It is just a formality

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in BangaloreEligibility criteriaResume shortlistingSwiggy interview preparation:Topics to prepare for the interview - OOPS, Data Structures, Core Java, Algorithms, DBMS, SQL,Time required to prepare for the interview - 3 monthsInterview preparation tips for other job seekers

Tip 1 : System Design
Tip 2 : Practice questions from leetcode
Tip 3 : Have some projects.

Application resume tips for other job seekers

Tip 1 : Mention what you know 
Tip 2 : Good previous work to showcase

Final outcome of the interviewSelected

Skills evaluated in this interview

I applied via LinkedIn and was interviewed before May 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Questions were from SQL, Python, Statistics & Business Case Studies/Metrics in the form of 4-5 rounds.

Interview Preparation Tips

Interview preparation tips for other job seekers - So Key Takeaway is You have to be good with your Technical Knowledge (SQL Expert, Python, Overall Stats Knowledge) and That is not really enough. What differs a Business Analyst from other Developers/Statisticians etc. is Business acumen, Problem Solving Skills etc. To have a Business Knowledge and Understanding such that you find the problems/solutions/ Metrics and then solve them using the Technology.

I applied via Walk-in and was interviewed in May 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1.  related to your business you asked questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Interview the ability of a person to be recognized by person quality human nature.

I appeared for an interview in Nov 2020.

Interview Questionnaire 

1 Question

  • Q1. Mainly about sql, previous job role
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Jun 2023. There was 1 interview round.

Round 1 - HR 

(2 Questions)

  • Q1. Introduce yourself
  • Q2. Tell me about the organization

I appeared for an interview before May 2021.

Round 1 - Coding Test 

(3 Questions)

Round duration - 90 Minutes
Round difficulty - Medium

1 easy and 2 medium-hard DSA problems to solve

  • Q1. 

    Hurdle Game Problem Statement

    Kevin is playing a hurdle game where he must jump over hurdles to clear levels. Each level ‘i’ consists of ‘i’ hurdles (e.g., Level 6 has 6 hurdles).

    Given the total number ...

  • Ans. 

    Given the total number of hurdles Kevin has jumped, determine how many levels he has cleared.

    • Iterate through levels while subtracting hurdles from total jumped until remaining hurdles are less than current level

    • Return the current level as the number of levels cleared

  • Answered by AI
  • Q2. 

    N Queens Problem

    Given an integer N, find all possible placements of N queens on an N x N chessboard such that no two queens threaten each other.

    Explanation:

    A queen can attack another queen if they ar...

  • Ans. 

    The N Queens Problem involves finding all possible placements of N queens on an N x N chessboard without threatening each other.

    • Use backtracking algorithm to explore all possible configurations.

    • Keep track of rows, columns, and diagonals to ensure queens do not threaten each other.

    • Generate valid configurations recursively and backtrack when a solution is not possible.

  • Answered by AI
  • Q3. 

    Count Ways To Travel Triangular Pyramid

    Bob is given a triangular pyramid with vertices 'O', 'X', 'Y', and 'Z'. He is also provided with an integer 'N'. Bob can move to any adjacent vertex in a single ste...

  • Ans. 

    Calculate the number of ways Bob can complete a journey in a triangular pyramid after N steps.

    • Bob can move to any adjacent vertex in a single step

    • Bob must return to vertex 'O' after exactly 'N' steps

    • Calculate the number of different ways Bob can complete the journey

    • Return the result modulo 1000000007

    • Consider the constraints provided

  • Answered by AI
Round 2 - Face to Face 

(2 Questions)

Round duration - 60 Minutes
Round difficulty - Medium

2 DSA problems and computer subject questions

  • Q1. 

    Generate Binary Strings with No Consecutive 1s

    Given an integer K, your task is to produce all binary strings of length 'K' that do not contain consecutive '1's.

    Input:

    The input begins with an integer ...
  • Ans. 

    Generate all binary strings of length 'K' with no consecutive '1's in lexicographically increasing order.

    • Use backtracking to generate all possible binary strings of length 'K' with no consecutive '1's.

    • Start with an empty string and recursively add '0' or '1' based on the condition of no consecutive '1's.

    • Sort the generated strings in lexicographically increasing order before outputting them.

  • Answered by AI
  • Q2. 

    Shuffle Two Strings Problem Statement

    You are provided with three strings A, B, and C. The task is to determine if C is formed by interleaving A and B. C is considered an interleaving of A and B if:

    • T...
  • Ans. 

    Check if a string is formed by interleaving two other strings.

    • Iterate through characters of A, B, and C simultaneously to check if C is formed by interleaving A and B.

    • Use dynamic programming to efficiently solve the problem.

    • Handle edge cases like empty strings or unequal lengths of A, B, and C.

    • Example: A = 'aab', B = 'abc', C = 'aaabbc' should return True.

  • Answered by AI
Round 3 - Face to Face 

(2 Questions)

Round duration - 60 Minutes
Round difficulty - Easy

DSA round

  • Q1. 

    Ninja and Intersection of Lines

    You are given coordinates for two lines on a 2D plane: Line 'AB' is defined by points 'A' and 'B', and Line 'PQ' is defined by points 'P' and 'Q'. Your task is to find the ...

  • Ans. 

    Find the intersection point of two lines on a 2D plane given their coordinates.

    • Calculate the slopes of both lines using the given coordinates.

    • Use the slope-intercept form of a line to find the equations of the two lines.

    • Solve the equations simultaneously to find the intersection point.

    • Return the coordinates of the intersection point with precision up to 6 decimal places.

  • Answered by AI
  • Q2. 

    Cycle Detection in Directed Graph

    Determine if a given directed graph contains a cycle. If the graph has at least one cycle, return true. Otherwise, return false.

    Input:

    The first line of input contains...
  • Ans. 

    Detect cycles in a directed graph and return true if a cycle exists, false otherwise.

    • Use Depth First Search (DFS) to detect cycles in the directed graph.

    • Maintain a visited array to keep track of visited vertices and a recursion stack to detect back edges.

    • If a vertex is visited and is present in the recursion stack, then a cycle exists.

    • Example: For the input 4 4, the graph has a cycle 0 -> 1 -> 2 -> 3 -> 1.

  • Answered by AI
Round 4 - Face to Face 

(1 Question)

Round duration - 30 Minutes
Round difficulty - Easy

It is a managerial round

  • Q1. How does a URL work and what is a load balancer?
  • Ans. 

    A URL is a web address that specifies the location of a resource on the internet. A load balancer distributes incoming network traffic across multiple servers to ensure optimal resource utilization and prevent overload.

    • A URL (Uniform Resource Locator) is a reference to a web resource that specifies its location on a computer network and the mechanism for retrieving it.

    • URLs typically consist of a protocol (such as HTTP ...

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from Jalpaiguri Government Engineering College. Eligibility criteriaNASwiggy interview preparation:Topics to prepare for the interview - DSA, Networking, Operating Systems, DBMS, Spring JavaTime required to prepare for the interview - 2 MonthsInterview preparation tips for other job seekers

Tip 1 : Practice Trees, Graphs, DP
Tip 2 : Be sure about your projects

Application resume tips for other job seekers

Tip 1 : Be genuine about your resume
Tip 2 : Have at least two projects on resume

Final outcome of the interviewSelected

Skills evaluated in this interview

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

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

Round 1 - Coding Test 

3 coding questions on hackerrank medium to hard

Round 2 - Technical 

(1 Question)

  • Q1. Doctor low level system design question
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Sql round test, contains 1 query and 2 mcq

Round 2 - Technical 

(1 Question)

  • Q1. Sql basics interview round
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed before Dec 2023. There were 4 interview rounds.

Round 1 - Assignment 

Assignment with sample data, and questions for SQL query, which had to be explained later in the interview rounds

Round 2 - One-on-one 

(1 Question)

  • Q1. Sql coding questions
Round 3 - One-on-one 

(2 Questions)

  • Q1. More sql questions
  • Q2. Case study questions
Round 4 - One-on-one 

(2 Questions)

  • Q1. Behavioural round
  • Q2. Guesstimates questions

Insider Interview FAQs

How many rounds are there in Insider interview?
Insider interview process usually has 4 rounds. The most common rounds in the Insider interview process are Resume Shortlist, HR and Assignment.
How to prepare for Insider interview?
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 Insider. The most common topics and skills that interviewers at Insider expect are Campaign Management, Data Analytics, Agile Coaching, Editing and Mobile Marketing.

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