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Celebal Technologies Interview Questions, Process, and Tips

Updated 5 Mar 2025

Top Celebal Technologies Interview Questions and Answers

View all 69 questions

Celebal Technologies Interview Experiences

Popular Designations

119 interviews found

I applied via Campus Placement and was interviewed in 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 Resume tips
Round 2 - Aptitude Test 

The questions were relatively easy.

Round 3 - Technical 

(3 Questions)

  • Q1. The process was very streamlined
  • Q2. 1. What is Node.js? Describe the inner workings of Node.js
  • Ans. 

    Node.js is a JavaScript runtime built on Chrome's V8 JavaScript engine, used for server-side and networking applications.

    • Node.js is an open-source, cross-platform runtime environment for executing JavaScript code outside of a browser.

    • It uses an event-driven, non-blocking I/O model that makes it lightweight and efficient.

    • Node.js allows developers to build scalable and high-performance applications.

    • It provides a rich set...

  • Answered by AI
  • Q3. 2. What are the main modules of Node.js? Explain in detail.
  • Ans. 

    The main modules of Node.js are HTTP, File System, Path, and Events.

    • HTTP module allows Node.js to transfer data over the HyperText Transfer Protocol (HTTP).

    • File System module enables interaction with the file system, allowing reading, writing, and manipulating files.

    • Path module provides utilities for working with file and directory paths.

    • Events module allows for event-driven programming, enabling the creation and handl

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Celebal Technologies Node JS Developer interview:
  • Node.Js
  • Javascript
Interview preparation tips for other job seekers - Just a little bit of preparation will get you through the interview.

Skills evaluated in this interview

Node JS Developer Interview Questions asked at other Companies

Q1. 2. What are the main modules of Node.js? Explain in detail.
View answer (3)
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected
Round 1 - Technical 

(2 Questions)

  • Q1. Questions related to devops tools such as azure terraform kubernetes.
  • Q2. Java concurrency and exception handling
Round 2 - HR 

(2 Questions)

  • Q1. Why do you want to join this organization?
  • Ans. 

    I am impressed by the company's innovative approach to DevOps and its commitment to continuous improvement.

    • I am excited about the opportunity to work with cutting-edge technologies and tools in a collaborative environment.

    • I admire the company's strong reputation for fostering professional growth and development.

    • I believe my skills and experience align well with the organization's goals and values.

  • Answered by AI
  • Q2. Expected salary
  • Ans. 

    My expected salary is based on my experience, skills, and the market rate for Devops Engineers.

    • I have researched the average salary range for Devops Engineers in this location.

    • I am looking for a competitive salary that reflects my expertise and contributions.

    • I am open to discussing salary based on the overall compensation package offered.

  • Answered by AI

Devops Engineer Interview Questions asked at other Companies

Q1. Reverse the String Problem Statement You are given a string STR which contains alphabets, numbers, and special characters. Your task is to reverse the string. Example: Input: STR = "abcde" Output: "edcba" Input: The first line of input cont... read more
View answer (3)
Celebal Technologies Interview Questions and Answers for Freshers
illustration image
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Questions related to Python and SQL, as well as a few multiple-choice questions in data science.

Round 2 - Technical 

(2 Questions)

  • Q1. Project Explanation as well query related to project
  • Q2. Machine learning basic question

Associate Data Scientist Interview Questions asked at other Companies

Q1. Why do you think the objective of predictive modeling is minimizing the cost function? How would you define a cost function after all?
View answer (1)

Intern Interview Questions & Answers

user image Khushi Jain

posted on 22 Dec 2024

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-

I applied via Campus Placement

Round 1 - Resume Shortlist 

(1 Question)

  • Q1. Resume shortlisting
Round 2 - Technical 

(1 Question)

  • Q1. What is virtualization

Intern Interview Questions asked at other Companies

Q1. Case. There is a housing society “The wasteful society”, you collect all the household garbage and sell it to 5 different businesses. Determine what price you will pay to the society members in Rs/kg, given you want to make a profit of 20% ... read more
View answer (8)

Celebal Technologies interview questions for popular designations

 Data Engineer

 (17)

 Data Scientist

 (9)

 Associate

 (8)

 Intern

 (7)

 SQL Developer

 (5)

 Internship Trainee

 (3)

 Data Analyst

 (3)

 Associate Consultant

 (3)

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

(2 Questions)

  • Q1. What is append in power query
  • Ans. 

    Append in Power Query is used to combine multiple tables or queries into a single table or query.

    • Append is used to stack tables on top of each other, adding rows from one table to the end of another.

    • It is useful when you have multiple tables with the same structure and want to combine them into one.

    • You can append tables from different data sources or within the same data source.

    • For example, you can append sales data fr...

  • Answered by AI
  • Q2. What is merge in power query
  • Ans. 

    Merge in Power Query combines multiple tables into one by matching rows based on specified columns.

    • Merge is used to combine tables in Power Query

    • You can merge based on one or more columns

    • Different types of merges include inner, left outer, right outer, and full outer joins

  • Answered by AI
Round 2 - Technical 

(2 Questions)

  • Q1. What is filter context
  • Ans. 

    Filter context determines which rows of data are visible to calculations in DAX formulas.

    • Filter context is dynamic and changes based on user interactions.

    • It can be set by slicers, filters, or relationships between tables.

    • Filter context is used to calculate results based on the current filter selections.

    • It helps in determining which rows of data are included in calculations.

  • Answered by AI
  • Q2. What is summarize function
  • Ans. 

    Summarize function is used in Power BI to aggregate data based on specified columns.

    • Used to group data and perform aggregate functions like sum, count, average, etc.

    • Can be used in DAX formulas to create calculated columns or measures.

    • Example: SUMMARIZE('Table', 'Column1', 'Column2', SUM('Value'))

  • Answered by AI

Skills evaluated in this interview

Power BI Developer Interview Questions asked at other Companies

Q1. Types of joins in power Bi & SQL and how it works?
View answer (7)

Get interview-ready with Top Celebal Technologies Interview Questions

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 

(1 Question)

  • Q1. What are your skills?

Summer Intern Interview Questions asked at other Companies

Q1. There are 8 bottles of milk out of which one bottle is poisoned. What will be the minimum number of persons required to find the poisoned bottle if the person dies within 24 hours of drinking the poison. You have only 24 hours.
View answer (6)

Jobs at Celebal Technologies

View all

Data Scientist Interview Questions & Answers

user image Bhupender S

posted on 3 Jul 2024

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
-

I applied via LinkedIn and was interviewed in Jun 2024. There were 3 interview rounds.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Probability related
  • Q2. Stats related like IQR etc.
Round 2 - Technical 

(2 Questions)

  • Q1. Difference between entropy & information gain
  • Ans. 

    Entropy measures randomness in data, while information gain measures the reduction in uncertainty after splitting data.

    • Entropy is used in decision trees to measure impurity in a dataset before splitting it.

    • Information gain is used in decision trees to measure the effectiveness of a split in reducing uncertainty.

    • Entropy ranges from 0 (pure dataset) to 1 (completely impure dataset).

    • Information gain is calculated as the d...

  • Answered by AI
  • Q2. LSTM & GRU, Which to use when ?
  • Ans. 

    LSTM for longer sequences, GRU for faster training and less complex models.

    • Use LSTM for tasks requiring long-term dependencies and memory retention.

    • Use GRU for faster training and simpler models with fewer parameters.

    • Consider using LSTM for tasks like language translation or speech recognition.

    • Consider using GRU for tasks like sentiment analysis or text generation.

  • Answered by AI
Round 3 - Case Study 

Time Series data were given, we have to provide some insights

Skills evaluated in this interview

Data Scientist Interview Questions asked at other Companies

Q1. for a data with 1000 samples and 700 dimensions, how would you find a line that best fits the data, to be able to extrapolate? this is not a supervised ML problem, there's no target. and how would you do it, if you want to treat this as a s... read more
View answer (5)
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Majorly around databricks
  • Q2. Azure Data Factory

Senior Data Engineer Interview Questions asked at other Companies

Q1. Write a query to get the customer with the highest total order value for each year, month. [Note: Order table is different and Customer table is different. Order_ID and Customer_ID are the PK of the table with Oid from Customer table being ... read more
View answer (2)
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
Not Selected
Round 1 - Technical 

(5 Questions)

  • Q1. Explain the project you are working on.
  • Q2. A code on python, strings.
  • Q3. Two tables given and asked how many outputs will you get if you apply inner joim
  • Q4. Versioning in aws
  • Ans. 

    Versioning in AWS allows you to manage different versions of your resources.

    • AWS S3 supports object versioning to keep multiple versions of an object in the same bucket.

    • AWS Lambda supports versioning to manage different versions of your functions.

    • AWS API Gateway supports versioning to manage different versions of your APIs.

  • Answered by AI
  • Q5. Redshift related questions

Skills evaluated in this interview

Top Celebal Technologies Data Engineer Interview Questions and Answers

Q1. Are you familiar with Celebal Technologies
View answer (1)

Data Engineer Interview Questions asked at other Companies

Q1. Optimal Strategy for a Coin Game You are playing a coin game with your friend Ninjax. There are N coins placed in a straight line. Here are the rules of the game: 1. Each coin has a value associated with it. 2. The game involves two players... read more
View answer (1)

Data Engineer Interview Questions & Answers

user image Kiran Bagate

posted on 15 Jun 2024

Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
No response

I applied via Walk-in and was interviewed in May 2024. There was 1 interview round.

Round 1 - Technical 

(4 Questions)

  • Q1. 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 data.

    • They work similar to the index in a book, allowing the database to quickly find the rows that match a certain condition.

    • Indexes can be created using a single column or a combination of columns.

    • ...

  • Answered by AI
  • Q2. Lift capacity and passenger sql query
  • Q3. What is your experience in Pyspark , python
  • Ans. 

    I have extensive experience in using Pyspark and Python for data engineering tasks.

    • I have worked on various projects involving data processing, transformation, and analysis using Pyspark and Python.

    • I am proficient in writing efficient and optimized code in Pyspark for big data processing.

    • I have experience in handling large datasets and implementing complex data pipelines using Pyspark and Python.

  • Answered by AI
  • Q4. Tell me about architecture of the project that you are working on

Skills evaluated in this interview

Top Celebal Technologies Data Engineer Interview Questions and Answers

Q1. Are you familiar with Celebal Technologies
View answer (1)

Data Engineer Interview Questions asked at other Companies

Q1. Optimal Strategy for a Coin Game You are playing a coin game with your friend Ninjax. There are N coins placed in a straight line. Here are the rules of the game: 1. Each coin has a value associated with it. 2. The game involves two players... read more
View answer (1)
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

It was smoothly done and questions are easy.

Round 2 - Coding Test 

It was smoothly done and difficulty level good

Round 3 - Technical 

(2 Questions)

  • Q1. Oops concepts and ask defination of all concepts
  • Q2. Pattern program using any language
  • Ans. 

    Print a pattern program using any programming language

    • Use nested loops to print the desired pattern

    • Identify the pattern and determine the number of rows and columns needed

    • Experiment with different loop structures to achieve the desired output

  • Answered by AI
Round 4 - HR 

(2 Questions)

  • Q1. Tell me about yourself
  • Q2. Why are you want to join us

Software Engineer Trainee Interview Questions asked at other Companies

Q1. Palindromic Linked List Problem Statement Given a singly linked list of integers, determine if it is a palindrome. Return true if it is a palindrome, otherwise return false. Example: Input: 1 -> 2 -> 3 -> 2 -> 1 -> NULL Outpu... read more
View answer (1)
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Celebal Technologies Interview FAQs

How many rounds are there in Celebal Technologies interview?
Celebal Technologies interview process usually has 2-3 rounds. The most common rounds in the Celebal Technologies interview process are Technical, Coding Test and HR.
How to prepare for Celebal Technologies 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 Celebal Technologies. The most common topics and skills that interviewers at Celebal Technologies expect are C#, Javascript, SQL, .Net and Python.
What are the top questions asked in Celebal Technologies interview?

Some of the top questions asked at the Celebal Technologies interview -

  1. 2. What are the main modules of Node.js? Explain in deta...read more
  2. 1. What is Node.js? Describe the inner workings of Node...read more
  3. How to create soft link and hardlink How to create empty file in Lin...read more
How long is the Celebal Technologies interview process?

The duration of Celebal Technologies interview process can vary, but typically it takes about less than 2 weeks to complete.

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Celebal Technologies Interview Process

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Interview experience

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based on 541 reviews

3.0/5

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3.5

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3.1

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2.9

Salary

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Job security

2.9

Company culture

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