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Decision Point Data Engineer Interview Questions and Answers

Updated 21 Jul 2021

Decision Point Data Engineer Interview Experiences

1 interview found

Data Engineer Interview Questions & Answers

user image Anonymous

posted on 21 Jul 2021

I applied via Company Website and was interviewed in Jun 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. SQL based questions were asked, about query, basic differences.

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepared with SQL and Python

Interview questions from similar companies

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 Jan 2024. There was 1 interview round.

Round 1 - Aptitude Test 

(1 Question)

  • Q1. We need to complete 40 questions in 20 mins
Interview experience
2
Poor
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Two coding questions, one is easy and the other is difficult. Who solved 2nd question was shortlisted for an interview.

Round 2 - Interview 

(1 Question)

  • Q1. Introduce yourself—questions from OS, DBMS, DSA, Project, and one coding problem.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed before Jun 2023. There were 2 interview rounds.

Round 1 - Coding Test 

Basic Multiple choice questions

Round 2 - Technical 

(2 Questions)

  • Q1. Two sum problem
  • Q2. Check if there is a loop in linked list
  • Ans. 

    Check for a loop in a linked list by using two pointers moving at different speeds.

    • Use two pointers, one moving at a normal speed and another moving at double the speed.

    • If there is a loop, the two pointers will eventually meet at some point.

    • Alternatively, use a hash set to store visited nodes and check for duplicates.

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Sigmoid Data Engineer interview:
  • Python
  • Cloud

Skills evaluated in this interview

Data Engineer Interview Questions & Answers

Sigmoid user image Shobhit Chaurasiya

posted on 25 Oct 2024

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
Selected Selected
Round 1 - Coding Test 

Leet Code Medium, string, list, tuple

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

(1 Question)

  • Q1. Pyspark, sql, Python.
Round 2 - Technical 

(1 Question)

  • Q1. Python, dsa,PySpark
Round 3 - HR 

(1 Question)

  • Q1. Simple questions
Interview experience
1
Bad
Difficulty level
Hard
Process Duration
2-4 weeks
Result
Not Selected

I appeared for an interview in Jan 2025.

Round 1 - Assignment 

2 MCQs sections based on SQL and Power BI.

Round 2 - Technical 

(3 Questions)

  • Q1. Standard SQL question - 6 to 8 queries.
  • Q2. Case studies - 2 in total.
  • Q3. Why I'm curious about Data Science and other Data science related personal talk to understand the understanding in Data domain
Round 3 - One-on-one 

(2 Questions)

  • Q1. Medical to Hard level SQL and Power BI - DAX queries. 5-6 queries.
  • Q2. Again talked about Data Science and called back again after 4 hours to know more about my SQL understandings.
Round 4 - HR 

(2 Questions)

  • Q1. 15 min quick discussion. Discuss the roles and responsibilities. Discuss the salary.
  • Q2. Guy looked exhausted and wrap the call quickly.

Interview Preparation Tips

Interview preparation tips for other job seekers - Be cautious with HR, I know if you're searching for job you've some really good skills and knowledge but communication is key undoubtedly.

I appeared for an interview in Oct 2021.

Round 1 - Video Call 

(2 Questions)

Round duration - 60 Minutes
Round difficulty - Medium

Started with basic introduction about myself and then 2 DSA problems to be solved on CodeChef or any IDE of your preference. Interviewer was helpful throughout the interview and helped with syntaxes at one point as well.
Parameters tested - 
1. Ability to think of edge test cases.
2. Coding Practices like naming variables and functions properly and using the most suitable access modifiers.
3. Ability to think of time and space complexity and optimise it.
Reaching the correct output was not mandatory but was preferred. Priority to coding practices was given.

  • Q1. 

    Next Greater Element Problem Statement

    You are given an array arr of length N. For each element in the array, find the next greater element (NGE) that appears to the right. If there is no such greater ele...

  • Ans. 

    The task is to find the next greater element for each element in the given array.

    • Iterate through the array from right to left.

    • Use a stack to keep track of the next greater element.

    • Pop elements from the stack until a greater element is found or the stack is empty.

    • If the stack is empty, there is no greater element, so assign -1.

    • If a greater element is found, assign it as the next greater element.

    • Push the current element ...

  • Answered by AI
  • Q2. 

    Zigzag Binary Tree Traversal Problem Statement

    Determine the zigzag level order traversal of a given binary tree's nodes. Zigzag traversal alternates the direction at each level, starting from left to rig...

  • Ans. 

    The zigzag level order traversal of a binary tree is the traversal of its nodes' values in an alternate left to right and right to left manner.

    • Perform a level order traversal of the binary tree

    • Use a queue to store the nodes at each level

    • For each level, alternate the direction of traversal

    • Store the values of the nodes in each level in separate arrays

    • Combine the arrays in alternate order to get the zigzag level order tra

  • Answered by AI
Round 2 - Video Call 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Medium

Started with basic introduction about myself and then 2 DSA problems to be solved on google doc. Interviewer was helpful throughout the interview.
Parameters tested - 
1. Ability to think of edge test cases.
2. Coding Practices like naming variables and functions properly and using the most suitable access modifiers.
3. Ability to think of time and space complexity and optimise it.
4. Making it to the correct output.

Reaching the correct output was mandatory in best possible time comlexity.

  • Q1. 

    Problem: Search In Rotated Sorted Array

    Given a sorted array that has been rotated clockwise by an unknown amount, you need to answer Q queries. Each query is represented by an integer Q[i], and you must ...

  • Ans. 

    This is a problem where a sorted array is rotated and we need to search for given numbers in the array.

    • The array is rotated clockwise by an unknown amount.

    • We need to search for Q numbers in the rotated array.

    • If a number is found, we need to return its index, otherwise -1.

    • The search needs to be done in O(logN) time complexity.

    • The input consists of the size of the array, the array itself, the number of queries, and the q

  • Answered by AI
  • Q2. 

    K-th Element of Two Sorted Arrays

    You are provided with two sorted arrays, arr1 and arr2, along with an integer k. By merging all elements from arr1 and arr2 into a new sorted array, your task is to ident...

  • Ans. 

    The task is to find the kth smallest element of a merged array created by merging two sorted arrays.

    • Merge the two sorted arrays into a single sorted array

    • Return the kth element of the merged array

  • Answered by AI
Round 3 - HR 

Round duration - 40 minutes
Round difficulty - Easy

I was asked to introduce myself and general family background check and then discussion around salary negotiation.

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from TIET - Thapar Institute of Engineering And Technology. I applied for the job as Data Engineer in BangaloreEligibility criteriaDecent work experience (for SDE-1 1-2 years experience was expected), self projects in any domain,Sigmoid interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, OOPS, Dynamic ProgrammingTime required to prepare for the interview - 2 monthsInterview preparation tips for other job seekers

Tip 1 : Practice popular questions from Arrays, Binary Trees, LinkedLists from CodeStudio's Interview Problems
Tip 2 : Make sure you are aware of calculating the time and space complexity for every problem you're coding.
Tip 3 : Prepare through Mock Interviews to practice explaining your approach while solving in an actual interview.

Application resume tips for other job seekers

Tip 1 : Describe best of your projects in minimum words. Don't forget to add buzz words like REST APIs/ DB Indexing/ Benchmarking etc if you worked on backend.
Tip 2 : Don't add school achievements like Olympiads or Class Topper in your resume.
Tip 3 : If you've some work experience, put it in a way ,you're marketing yourself. Add terms like 'Created/Owned the Project through entire SDLC' 
Tip 4 : Make sure you mention how your work experience actually impacted the company. Or how your self project can be actually useful to end user.

Final outcome of the interviewSelected

Skills evaluated in this interview

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 - Coding Test 

Two easy questions two wasy questions two easy questions two easy questions

Round 3 - Technical 

(2 Questions)

  • Q1. Technical interviews was very easy techijcal interviews was very easy very easy very easy
  • Q2. Interviews was conducted in advance of a news conference in the United Kingdom and the European government on Tuesday

Interview Preparation Tips

Interview preparation tips for other job seekers - Ghar was the second man killed by an twowwywiwywuw The new rules would be similar y
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via AmbitionBox and was interviewed in May 2023. There were 4 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 

Mathametics and statistics besed on the subject .

Round 3 - Group Discussion 

This test also i interested.

Round 4 - Technical 

(2 Questions)

  • Q1. I knlw the statistical technical skill.
  • Q2. Data analysis with statistical tools
  • Ans. 

    Data analysis involves using statistical tools to analyze and interpret data.

    • Statistical tools help in summarizing and visualizing data

    • They can be used to identify patterns, trends, and relationships in the data

    • Common statistical tools include regression analysis, hypothesis testing, and clustering

    • Statistical tools help in making data-driven decisions and predictions

  • Answered by AI

Skills evaluated in this interview

Decision Point Interview FAQs

How to prepare for Decision Point Data Engineer 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 Decision Point. The most common topics and skills that interviewers at Decision Point expect are SQL, Python, Big Data, Data Management and VBA.

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Decision Point Data Engineer Salary
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₹5 L/yr - ₹12.4 L/yr
20% less than the average Data Engineer Salary in India
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based on 8 reviews

3.1/5

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3.2

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2.7

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2.9

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2.9

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3.1

Company culture

2.6

Promotions

2.9

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