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i2e Consulting Data Engineer Interview Questions and Answers

Updated 3 Oct 2024

i2e Consulting Data Engineer Interview Experiences

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Data Engineer Interview Questions & Answers

user image Anonymous

posted on 10 Feb 2022

I was interviewed before Feb 2021.

Round 1 - Aptitude Test 

Normal logic and reasoning questions.

Round 2 - Technical 

(1 Question)

  • Q1. Question asked from the resume, AWS Glue, Redshift, S3

Interview Preparation Tips

Interview preparation tips for other job seekers - Have a good understanding of ETL using AWS
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 Oct 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

Logical and Verbal reasoning with quant and aptitude

Round 2 - One-on-one 

(2 Questions)

  • Q1. Previous projects
  • Ans. 

    Developed a real-time data processing system for analyzing customer behavior

    • Designed and implemented data pipelines using Apache Kafka and Spark

    • Optimized data storage and retrieval using NoSQL databases like Cassandra

    • Built monitoring and alerting systems to ensure data quality and system performance

    • Collaborated with cross-functional teams to gather requirements and deliver solutions

  • Answered by AI
  • Q2. Some python and sql coding

Interview questions from similar companies

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

(2 Questions)

  • Q1. What is the full form of ETL?
  • Ans. 

    ETL stands for Extract, Transform, Load. It is a process used in data warehousing to extract data from various sources, transform it into a consistent format, and load it into a target database.

    • ETL stands for Extract, Transform, Load

    • Extract: Involves extracting data from various sources such as databases, applications, and files

    • Transform: Involves cleaning, filtering, and transforming the extracted data into a consiste...

  • Answered by AI
  • Q2. ETL Full form is Exact, Transform, Load.

Interview Preparation Tips

Interview preparation tips for other job seekers - "Stay persistent, network, actively, continuously upgrade your skills."
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Easy and moderate level question

Round 2 - Group Discussion 

Given a relevant topic and discussion on it

Round 3 - HR 

(2 Questions)

  • Q1. Introducd yourself
  • Q2. Why do you want to join us
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

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

Round 1 - Technical 

(2 Questions)

  • Q1. Question on Java mcq
  • Q2. Questions on Oops
Round 2 - Technical 

(1 Question)

  • Q1. Questions based on resume
Round 3 - HR 

(1 Question)

  • Q1. Questions on direction, physics
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I applied via Approached by Company and was interviewed in Nov 2024. There was 1 interview round.

Round 1 - One-on-one 

(2 Questions)

  • Q1. How to rotate a matrix?
  • Ans. 

    To rotate a matrix, transpose it and then reverse each row or column depending on the direction of rotation.

    • Transpose the matrix by swapping elements across the diagonal

    • For clockwise rotation, reverse each row of the transposed matrix

    • For anti-clockwise rotation, reverse each column of the transposed matrix

  • Answered by AI
  • Q2. How to find a particular element in a sorted array?
  • Ans. 

    Use binary search to efficiently find a particular element in a sorted array.

    • Start by comparing the target element with the middle element of the array.

    • If the target element is less than the middle element, search the left half of the array.

    • If the target element is greater than the middle element, search the right half of the array.

    • Repeat the process until the target element is found or the search space is empty.

  • Answered by AI
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Company Website and was interviewed in Jul 2024. There were 2 interview rounds.

Round 1 - Telephonic Call 

(2 Questions)

  • Q1. Asking about the whereabouts
  • Q2. Checking com skills and availability
Round 2 - Technical 

(3 Questions)

  • Q1. Basic questions based on resume
  • Q2. Basic .net questions
  • Q3. Logical questions related to problem solving

Interview Preparation Tips

Interview preparation tips for other job seekers - be confident and communicate effectively. Include only those things in your resume which you are fully confident.
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Case Study 

Forecasting problem - Predict daily sku level sales

Round 2 - Technical 

(2 Questions)

  • Q1. What is difference between bias and variance
  • Ans. 

    Bias is error due to overly simplistic assumptions, variance is error due to overly complex models.

    • Bias is the error introduced by approximating a real-world problem, leading to underfitting.

    • Variance is the error introduced by modeling the noise in the training data, leading to overfitting.

    • High bias can cause a model to miss relevant relationships between features and target variable.

    • High variance can cause a model to ...

  • Answered by AI
  • Q2. Parametric vs non parametruc model
  • Ans. 

    Parametric models make strong assumptions about the form of the underlying data distribution, while non-parametric models do not.

    • Parametric models have a fixed number of parameters, while non-parametric models have a flexible number of parameters.

    • Parametric models are simpler and easier to interpret, while non-parametric models are more flexible and can capture complex patterns in data.

    • Examples of parametric models inc...

  • Answered by AI

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(2 Questions)

  • Q1. Four Pillars of OOPS in Java?
  • Ans. 

    Encapsulation, Inheritance, Polymorphism, Abstraction are the four pillars of OOPS in Java.

    • Encapsulation: Bundling data and methods that operate on the data into a single unit.

    • Inheritance: Allows a class to inherit properties and behavior from another class.

    • Polymorphism: Ability to present the same interface for different data types.

    • Abstraction: Hiding the implementation details and showing only the necessary features.

  • Answered by AI
  • Q2. What is a constructor in Java?
  • Ans. 

    A constructor in Java is a special type of method that is used to initialize objects.

    • Constructors have the same name as the class they are in.

    • They do not have a return type, not even void.

    • Constructors are called when an object of a class is created.

    • Example: public class Car { public Car() { // constructor code } }

  • Answered by AI

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed in Jul 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. What is single page application
  • Ans. 

    Single page application is a web application that loads a single HTML page and dynamically updates the content as the user interacts with the app.

    • SPA uses AJAX and HTML5 to create fluid and responsive user experience.

    • It eliminates the need for page reloading during use, making it faster and more efficient.

    • Examples include Gmail, Facebook, and Google Maps.

  • Answered by AI
  • Q2. What is state management
  • Ans. 

    State management is the process of managing the state of an application, including data flow, user interface updates, and user interactions.

    • State management involves storing and updating the state of an application to ensure data consistency.

    • It helps in managing user interface updates based on changes in the application state.

    • State management is crucial for handling user interactions and maintaining a seamless user exp...

  • Answered by AI

Skills evaluated in this interview

i2e Consulting Interview FAQs

How many rounds are there in i2e Consulting Data Engineer interview?
i2e Consulting interview process usually has 2 rounds. The most common rounds in the i2e Consulting interview process are Aptitude Test, Technical and One-on-one Round.
What are the top questions asked in i2e Consulting Data Engineer interview?

Some of the top questions asked at the i2e Consulting Data Engineer interview -

  1. Question asked from the resume, AWS Glue, Redshift,...read more
  2. Some python and sql cod...read more

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