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Simpplr Backend Developer Interview Questions and Answers

Updated 29 Nov 2021

Simpplr Backend Developer Interview Experiences

1 interview found

I appeared for an interview before Nov 2020.

Round 1 - Coding Test 

(2 Questions)

Round duration - 35 minutes
Round difficulty - Medium

Array and String questions

  • Q1. 

    Remove Duplicates from String Problem Statement

    You are provided a string STR of length N, consisting solely of lowercase English letters.

    Your task is to remove all duplicate occurrences of characters i...

  • Ans. 

    Remove duplicate occurrences of characters in a given string.

    • Use a hash set to keep track of characters seen so far.

    • Iterate through the string and add non-duplicate characters to a new string.

    • Return the new string without duplicate characters.

  • Answered by AI
  • Q2. 

    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.

    • Read the size of the array N and then read N integers as elements of the array.

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

    • Return the final sum as the output.

  • Answered by AI
Round 2 - HR 

Round duration - 15 minutes
Round difficulty - Easy

Salary Discussions and basic general questions.

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from Droncaharya College. Eligibility criteriaResume BasedSimpplr interview preparation:Topics to prepare for the interview - Data Structure, Oops, Dbms, Algorithms, Javascript, SqlTime required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

Tip 1 : First Learn the core concepts of DS & Algo.
Tip 2 : Solve Questions which are discussed in video and Assignment 
Tip 3 : Do some projects as per your interest in web Development & Mobile Development and push over github and try to make them live.

Application resume tips for other job seekers

Tip 1 : Do not put false Thing.
Tip 2 : Always give the link of your projects

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview questions from similar companies

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

I appeared for an interview in Apr 2023.

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 - Aptitude Test 

Verbal ability
Number series
Coding questions

Round 3 - Telephonic Call 

(1 Question)

  • Q1. Self introduction

Interview Preparation Tips

Interview preparation tips for other job seekers - Mirror practice could help you better in explaining self introduction and project.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I appeared for an interview before Mar 2024.

Round 1 - HR 

(3 Questions)

  • Q1. Can you d3scribe a complex backend problem you faced and how you solved it?
  • Ans. 

    Faced a challenge with database performance, optimized queries, and implemented caching to enhance response times significantly.

    • Identified slow queries using profiling tools like EXPLAIN in SQL.

    • Refactored complex joins into simpler queries to reduce execution time.

    • Implemented Redis caching for frequently accessed data, reducing database load.

    • Monitored performance metrics post-implementation to ensure improvements.

  • Answered by AI
  • Q2. How do you ensure the security and scalability of a backend system?
  • Ans. 

    Ensuring backend security and scalability involves implementing best practices in architecture, coding, and infrastructure management.

    • Implement authentication and authorization mechanisms (e.g., OAuth, JWT) to secure APIs.

    • Use HTTPS to encrypt data in transit and protect against man-in-the-middle attacks.

    • Regularly update dependencies and libraries to patch known vulnerabilities.

    • Employ rate limiting and throttling to pre...

  • Answered by AI
  • Q3. How do you handle database optimization and performance issues in a large-scale application?
  • Ans. 

    I optimize databases by analyzing queries, indexing, and using caching strategies to enhance performance in large-scale applications.

    • Analyze slow queries using tools like EXPLAIN to identify bottlenecks.

    • Implement indexing on frequently queried columns to speed up data retrieval.

    • Use caching mechanisms (e.g., Redis, Memcached) to reduce database load.

    • Partition large tables to improve query performance and manageability.

    • O...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Write a Strong Cover Letter- Even if optional, a well-written cover letter can make a difference.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. How does database indexing improve query perfoemance?
  • Ans. 

    Database indexing improves query performance by reducing the number of disk I/O operations needed to retrieve data.

    • Indexing allows the database to quickly locate specific rows in a table, reducing the need to scan the entire table.

    • Indexes can be created on columns frequently used in WHERE clauses or JOIN conditions.

    • Examples of indexes include primary keys, unique constraints, and composite indexes.

    • Proper indexing can s

  • Answered by AI
  • Q2. It reduces search time by optimizing lookups.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. "Tailor your resume to highlight role-specific achievements."
  • Q2. "Stay updated with industry trends and new technologies."
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. What is the difference between GET AND POST methods in HTTPS?
  • Ans. 

    GET method is used to request data from a server, while POST method is used to submit data to a server in HTTPS.

    • GET requests data from a specified resource, while POST submits data to be processed to a specified resource.

    • GET requests can be cached and remain in the browser history, while POST requests are not cached and do not remain in the browser history.

    • GET requests have length restrictions on the amount of data tha...

  • Answered by AI
  • Q2. GET is Retrieves and POST is Sends data.
  • Ans. 

    GET is used to retrieve data from a server, while POST is used to send data to a server.

    • GET requests are used to retrieve data from a specified resource. For example, fetching a list of products from an online store.

    • POST requests are used to submit data to be processed by a server. For example, submitting a form with user information to create a new account.

    • GET requests are idempotent, meaning they can be repeated mult...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - "Stay persistence, keep learning, and tailor your resume to each job application.
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. What is the purpose of REST API in backend development?
  • Ans. 

    REST API in backend development is used to allow communication between different systems over the internet.

    • Allows for communication between different systems or services

    • Follows a client-server architecture

    • Uses standard HTTP methods like GET, POST, PUT, DELETE

    • Supports multiple data formats like JSON, XML

    • Stateless, meaning each request from a client must contain all the information needed to fulfill the request

  • Answered by AI
  • Q2. GET, POST, PUT and DELETE

Interview Preparation Tips

Interview preparation tips for other job seekers - Always tailor your resume
Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed before Apr 2022. 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 - Aptitude Test 

25 MCQ questions online with time limit

Round 3 - Assignment 

Create webapp . Frontend, Backend , data encryption

I applied via Campus Placement and was interviewed in Aug 2021. There were 4 interview rounds.

Round 1 - Coding Test 

1st test was aptitude and a easy coding test

Round 2 - Coding Test 

The 2nd test was pure coding based test on hacker rank platform and contains 2 easy and 2 medium question

Round 3 - Technical 

(1 Question)

  • Q1. Round 3 was technical interview and asked from basics of computer programming and architecture
Round 4 - HR 

(4 Questions)

  • Q1. What is your family background?
  • Q2. Why are you looking for a change?
  • Q3. What are your strengths and weaknesses?
  • Q4. Tell me about yourself.

Interview Preparation Tips

Interview preparation tips for other job seekers - Advice is just improve basics of programming and DSA with a database management and basicsa of os and networks
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed in Dec 2024. There were 2 interview rounds.

Round 1 - Coding Test 

Based on JavaScript and Java.

Round 2 - Assignment 

A task based on JavaScript.

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