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Bloomberg Data Engineer Interview Questions and Answers

Updated 17 Mar 2024

Bloomberg Data Engineer Interview Experiences

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Data Engineer Interview Questions & Answers

user image Anonymous

posted on 17 Mar 2024

Interview experience
2
Poor
Difficulty level
-
Process Duration
-
Result
No response

I was interviewed in Sep 2023.

Round 1 - HR 

(2 Questions)

  • Q1. State some weaknesses
  • Ans. 

    Some weaknesses include lack of experience in certain technologies, tendency to overthink solutions, and difficulty with time management.

    • Lack of experience in certain technologies (e.g. cloud platforms like AWS or Azure)

    • Tendency to overthink solutions instead of focusing on simplicity and efficiency

    • Difficulty with time management, leading to delays in project completion

  • Answered by AI
  • Q2. Some challenges
Round 2 - Assignment 

Had to create an etl pipeline

HCL Healthcare

Rated 4.5 for Work-Life Balance by our employees on AmbitionBox

Success to our employee's well-being? A work-life balance that's simply unbeatable.

Interview questions from similar companies

I was interviewed before Jun 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 180 minutes
Round difficulty - Easy

It was an mcq + coding round. There were aptitude and ouput based question in mcq. And coding questions were easy

  • Q1. 

    Find the Duplicate Number Problem Statement

    Given an integer array 'ARR' of size 'N' containing numbers from 0 to (N - 2). Each number appears at least once, and there is one number that appears twice. Yo...

  • Ans. 

    Find the duplicate number in an array of integers from 0 to (N-2).

    • Iterate through the array and keep track of the frequency of each number using a hashmap.

    • Return the number with a frequency greater than 1 as the duplicate number.

    • Time complexity can be optimized to O(N) using Floyd's Tortoise and Hare algorithm.

  • Answered by AI
  • Q2. 

    Reverse String Operations Problem Statement

    You are provided with a string S and an array of integers A of size M. Your task is to perform M operations on the string as specified by the indices in array A...

  • Ans. 

    Given a string and an array of indices, reverse substrings based on the indices to obtain the final string.

    • Iterate through the array of indices and reverse the substrings accordingly

    • Ensure the range specified by each index is non-empty

    • Return the final string after all operations are completed

  • Answered by AI
Round 2 - Video Call 

Round duration - 60 Minutes
Round difficulty - Easy

It was technical + hr round. there were 2 people as interviewer. They stated from intro and asked some basic puzzles and hr questions. After that they asked about my projects, technologies and some ds algo and dbms questions.

Interview Preparation Tips

Eligibility criterianaAccenture interview preparation:Topics to prepare for the interview - Data Structures, Pointers, OOPS, System Design, Algorithms, Dynamic ProgrammingTime required to prepare for the interview - 6 MonthsInterview preparation tips for other job seekers

Tip 1 : Practice aptitude
Tip 2 : Focus on practicing coding
Tip 3 : Learn from mistakes

Application resume tips for other job seekers

Tip 1 : Mention some projects that you have done
Tip 2 : Try to have skills that are required for the role

Final outcome of the interviewSelected

Skills evaluated in this interview

I applied via Campus Placement and was interviewed before Aug 2021. There were 2 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 - Coding Test 

Easy DSA questions and some questions on resume

Interview Preparation Tips

Interview preparation tips for other job seekers - Don't join if you are a fresher and want to grow as a developer. I had resigned that time I am writing this review

Interview Questionnaire 

6 Questions

  • Q1. What is fan trap? How to solve it? Give one example.
  • Ans. 

    Fan trap is a situation in which a query involving multiple tables results in a Cartesian product.

    • Fan trap occurs when a table is connected to multiple tables in a one-to-many relationship.

    • It can be solved by creating a bridge table or by using aggregate functions.

    • For example, if a customer table is connected to an orders table and a products table, a fan trap can occur when trying to retrieve information about custome...

  • Answered by AI
  • Q2. Two tables are joined. But joined type are not mentioned, then how much records will retrieve using select statement.
  • Q3. How to use dynamic break in report?
  • Ans. 

    Dynamic break in report allows for automatic page breaks based on data.

    • Define a break field in the report design

    • Set the break field to trigger a page break when its value changes

    • Use dynamic break to automatically adjust page breaks based on data

    • Example: A report on sales by region can use dynamic break to create a new page for each region

  • Answered by AI
  • Q4. Use of foreach function in report.
  • Ans. 

    Foreach function is used to iterate through an array of strings in a report.

    • Foreach function is used to loop through each element in an array of strings.

    • It can be used to display each element in a report.

    • Example: foreach(string item in stringArray){ Console.WriteLine(item); }

  • Answered by AI
  • Q5. What is Aggregate awareness? When we use it? Syntax of it.
  • Ans. 

    Aggregate awareness is a feature in Business Objects that allows reports to be optimized for performance by using aggregate tables.

    • Aggregate awareness is used when creating reports in Business Objects

    • It allows the report to use aggregate tables instead of detailed tables for improved performance

    • Syntax: AGGR_AWARE(, ,

      )

    • Example: AGGR_AWARE(Product, Sum(Sales), Sales_Fact_Table)

  • Answered by AI
  • Q6. @prompt function syntax and it's use.
  • Ans. 

    The @prompt function syntax is used to display a prompt message to the user and receive input.

    • The syntax is @prompt('message', 'default value')

    • The message is the prompt message to be displayed to the user

    • The default value is optional and will be displayed in the input field

    • The function returns the value entered by the user

  • Answered by AI

I applied via Naukri.com and was interviewed before Aug 2021. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. C language and Java questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Be ready with good technical skills to face the interview

I applied via Campus Placement and was interviewed before Nov 2021. There were 2 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 - Technical 

(2 Questions)

  • Q1. Python and Java questions
  • Q2. Oops basic interview questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Easily we can Just Practice basic interview questions

Interview Preparation Tips

Interview preparation tips for other job seekers - they ask question on basics and concepts more, rest interview is easy.

I applied via Company Website and was interviewed before Oct 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. String manipulation , collections, framework understanding

Interview Preparation Tips

Interview preparation tips for other job seekers - For QA Automation - Basics of OOPS concept,collections,strings are enough

I applied via Company Website and was interviewed before Jan 2021. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Oops based , C# Fundamental , Sql , Jquery , Mvc architecture
Round 2 - Technical 

(1 Question)

  • Q1. ADVANCED QUESTION ON sql ,

Interview Preparation Tips

Interview preparation tips for other job seekers - Be proficient in english nd clear in concepts

I applied via Walk-in and was interviewed before May 2021. There were 2 interview rounds.

Round 1 - Aptitude Test 

General Aptitude

Round 2 - Technical 

(2 Questions)

  • Q1. Java related questions
  • Q2. Senarios related questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Just be confident and face the interview
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Bloomberg Interview FAQs

How many rounds are there in Bloomberg Data Engineer interview?
Bloomberg interview process usually has 2 rounds. The most common rounds in the Bloomberg interview process are HR and Assignment.
What are the top questions asked in Bloomberg Data Engineer interview?

Some of the top questions asked at the Bloomberg Data Engineer interview -

  1. State some weaknes...read more
  2. Some challen...read more

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