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Publicis Sapient Node JS Developer Interview Questions, Process, and Tips

Updated 9 Apr 2023

Publicis Sapient Node JS Developer Interview Experiences

1 interview found

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Approached by Company 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 - Technical 

(3 Questions)

  • Q1. What is nodejs, explain the event loop.
  • Ans. 

    Node.js is a JavaScript runtime built on Chrome's V8 JavaScript engine. It allows developers to run JavaScript on the server-side.

    • Node.js is event-driven and non-blocking I/O model.

    • It uses an event loop to handle asynchronous operations.

    • The event loop is a continuously running process that waits for events and executes callbacks.

    • Callbacks are functions that are called when an event occurs, such as a request completing ...

  • Answered by AI
  • Q2. What is event loop ?
  • Ans. 

    Event loop is a mechanism that allows Node.js to perform non-blocking I/O operations.

    • Event loop is a single-threaded loop that constantly checks for new events in the event queue.

    • It executes the callback functions associated with the events in the queue.

    • It allows Node.js to handle multiple requests simultaneously without blocking the execution of other requests.

    • It is responsible for managing the order of execution of t...

  • Answered by AI
  • Q3. What is the role of libuv ?
  • Ans. 

    libuv is a multi-platform support library with a focus on asynchronous I/O.

    • libuv provides event loop, thread pool, timer, and file system APIs.

    • It is used by Node.js to handle I/O operations in a non-blocking way.

    • libuv abstracts the differences between operating systems and provides a consistent API.

    • It also supports network programming and inter-process communication.

    • Examples of libuv-based applications include Node.js,

  • Answered by AI
Round 3 - Technical 

(1 Question)

  • Q1. What is the difference between cluster and thread ?
  • Ans. 

    Cluster is a group of processes that share the same resources while thread is a lightweight process that shares the same memory.

    • Cluster is used for scaling and load balancing while thread is used for improving performance.

    • Cluster can run on multiple machines while thread runs within a single process.

    • Cluster requires inter-process communication while thread does not.

    • Examples of cluster include PM2 and Node.js cluster mo...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Read everything about nodejs, server less architecture and be confident.

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
No response

I was interviewed in Jan 2025.

Round 1 - Technical 

(5 Questions)

  • Q1. What is one problem that interfaces solve that abstract classes do not?
  • Q2. Write a program that takes a string of words, including spaces and special symbols, and returns each occurrence of a specified character, excluding spaces and special symbols.
  • Q3. Could you explain how the autowired annotation functions internally?
  • Q4. How does Spring Boot determine which data source to use for application execution when multiple data sources are available and no specific profile has been defined?
  • Q5. What can you explain about the qualifier annotation?
Interview experience
3
Average
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Not Selected

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

Round 1 - Technical 

(3 Questions)

  • Q1. Run time polymorphism code
  • Q2. Linked list code
  • Q3. Deep copy shallow copy differences
  • Ans. 

    Deep copy creates a new copy of an object with its own unique memory space, while shallow copy creates a new object that references the same memory locations as the original object.

    • Deep copy duplicates all nested objects, while shallow copy only duplicates the references to nested objects.

    • Deep copy ensures that changes to the copied object do not affect the original object, while shallow copy may lead to unintended sid...

  • Answered by AI
Round 2 - Technical 

(2 Questions)

  • Q1. More deep questions about polymorphism code
  • Q2. Code for interchange of strings without strcpy
  • Ans. 

    Use a loop to swap characters of two strings without using strcpy function.

    • Create two arrays of characters to store the strings

    • Use a loop to iterate through each character of the strings and swap them

    • Ensure to handle cases where strings have different lengths

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - please prepare oops concept and data structure well because its easy for first round but for second round its too difficult - the interviewer was so irritating and asked very stupid wuestions
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed in Dec 2024.

Round 1 - Aptitude Test 

Logical intelligence

Round 2 - Group Discussion 

Any information can be discussed.

Round 3 - Case Study 

A comprehensive analysis of an individual, group, situation, or phenomenon over an extended duration.

Round 4 - Assignment 

The reporter vanished while on assignment in the war zone.

Round 5 - One-on-one 

(1 Question)

  • Q1. Denoting or referring to a situation in which two parties come into direct contact, opposition, or correspondence

Interview Preparation Tips

Interview preparation tips for other job seekers - Clearly identify your career goals, utilize job search platforms and company websites, tailor your resume and cover letter for each application, actively network on professional platforms such as LinkedIn, attend career fairs, develop relevant skills, and maintain a strong online presence to showcase your professional brand.
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Aptitude, core concepts and a code

Round 2 - HR 

(2 Questions)

  • Q1. What is the one thing you learnt from college club?
  • Ans. 

    I learned the importance of teamwork and collaboration from my college club.

    • Developed strong communication skills by working with diverse group of individuals

    • Learned how to delegate tasks effectively to achieve common goals

    • Gained experience in problem-solving and conflict resolution through group projects

  • Answered by AI
  • Q2. What is the one thing you want to expereince?
  • Ans. 

    I want to experience living in a different country and immersing myself in a new culture.

    • Traveling to a foreign country and learning about their customs and traditions

    • Trying new foods and experiencing different ways of life

    • Making friends with locals and exploring the local attractions

  • Answered by AI
Round 3 - Technical 

(3 Questions)

  • Q1. Difference between relational and non relational dbms
  • Ans. 

    Relational DBMS stores data in tables with predefined relationships, while non-relational DBMS stores data in flexible, schema-less formats.

    • Relational DBMS uses structured query language (SQL) for querying data

    • Non-relational DBMS can store data in various formats like key-value pairs, document-based, graph databases

    • Relational DBMS ensures data integrity through normalization and constraints

    • Non-relational DBMS offers be...

  • Answered by AI
  • Q2. Difference betweeen class,abstract class,interface in python
  • Ans. 

    Class is a blueprint for creating objects, abstract class cannot be instantiated and can have abstract methods, interface is a contract for classes to implement certain methods.

    • Class is a blueprint for creating objects with attributes and methods.

    • Abstract class cannot be instantiated and can have abstract methods that must be implemented by subclasses.

    • Interface is a contract for classes to implement certain methods, bu

  • Answered by AI
  • Q3. Project related questions were asked

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
No response

I applied via Company Website and was interviewed in Nov 2024. There were 3 interview rounds.

Round 1 - Aptitude Test 

A standard online test conducted through one of the testing platforms.

Round 2 - Technical 

(4 Questions)

  • Q1. Java 8 features
  • Q2. Rest API
  • Q3. Java 8 coding problem
  • Q4. Collections
Round 3 - Technical 

(1 Question)

  • Q1. It was based on my previous project
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
-
Result
Not Selected

I applied via Naukri.com and was interviewed in Sep 2024. There was 1 interview round.

Round 1 - Technical 

(7 Questions)

  • Q1. What are primitive and non primitive data types
  • Ans. 

    Primitive data types are basic data types provided by the programming language, while non-primitive data types are created by the programmer.

    • Primitive data types include int, float, double, char, boolean, etc.

    • Non-primitive data types include arrays, classes, interfaces, etc.

    • Primitive data types store actual values, while non-primitive data types store references to objects.

  • Answered by AI
  • Q2. What are access modifiers and non access modifiers
  • Ans. 

    Access modifiers control the visibility of classes, methods, and variables. Non-access modifiers provide additional functionality.

    • Access modifiers: public, private, protected, default

    • Non-access modifiers: static, final, abstract, synchronized

    • Example: public class MyClass { private int myVar; }

  • Answered by AI
  • Q3. What are all Java 8 features and explain the one which we have used in our project
  • Ans. 

    Java 8 features include lambda expressions, functional interfaces, streams, and more.

    • Lambda expressions allow concise syntax for defining anonymous functions.

    • Functional interfaces can have only one abstract method and are used for lambda expressions.

    • Streams provide a way to process collections of objects in a functional style.

    • Optional class helps to avoid NullPointerException by wrapping a value that may be null.

  • Answered by AI
  • Q4. CICD tools which we have used explain in high level
  • Ans. 

    CICD tools automate the process of building, testing, and deploying code changes.

    • Popular CICD tools include Jenkins, GitLab CI/CD, CircleCI, and Travis CI

    • These tools help in automating the software development lifecycle

    • They enable continuous integration, continuous delivery, and continuous deployment

    • CICD tools help in improving code quality, reducing manual errors, and increasing development speed

  • Answered by AI
  • Q5. What is containerization
  • Ans. 

    Containerization is a lightweight, portable, and self-sufficient way to package and run applications.

    • Containerization involves encapsulating an application and its dependencies into a container image.

    • Containers are isolated from each other and share the host OS kernel.

    • Popular containerization platforms include Docker and Kubernetes.

    • Containerization allows for easy deployment and scaling of applications.

  • Answered by AI
  • Q6. What is indexing in sql
  • Ans. 

    Indexing in SQL is a technique used to improve the performance of queries by creating a data structure that allows for faster retrieval of data.

    • Indexes are created on columns in a database table to speed up the retrieval of rows that match a certain condition in a query.

    • They work similar to the index in a book, allowing the database to quickly locate the rows that satisfy the query.

    • Indexes can be created using a single...

  • Answered by AI
  • Q7. Programming question on stream like finding the longest string in a given list of string

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Basics of java like string ,string builder ,Buffer,scp
  • Q2. Spring boot annotaions
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

SQL , CODING QUESTION PYTHON

Round 2 - Technical 

(2 Questions)

  • Q1. BASIC SQL QUESTIOS
  • Q2. OOPS 4 PILLARS INHERITANCE ETC
Round 3 - HR 

(2 Questions)

  • Q1. TELL ME ABOUT YOURSELF
  • Q2. WHAT DO YOU KNOW ABOUT YOUR COMPANY
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

It was an online assessment containing 3 DSA questions

Round 2 - Technical 

(2 Questions)

  • Q1. Medium level array questions
  • Q2. Medium level DP questions
Round 3 - HR 

(1 Question)

  • Q1. General behavioural question about

Publicis Sapient Interview FAQs

How many rounds are there in Publicis Sapient Node JS Developer interview?
Publicis Sapient interview process usually has 3 rounds. The most common rounds in the Publicis Sapient interview process are Technical and Resume Shortlist.
How to prepare for Publicis Sapient Node JS Developer 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 Publicis Sapient. The most common topics and skills that interviewers at Publicis Sapient expect are AWS, Javascript, Node.Js, Postgresql and REST API.
What are the top questions asked in Publicis Sapient Node JS Developer interview?

Some of the top questions asked at the Publicis Sapient Node JS Developer interview -

  1. what is the difference between cluster and threa...read more
  2. What is nodejs, explain the event lo...read more
  3. what is the role of libu...read more

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Publicis Sapient Node JS Developer Interview Process

based on 1 interview

Interview experience

3
  
Average
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