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Datamatics Global Services Data Engineer Interview Questions and Answers

Updated 7 May 2024

Datamatics Global Services Data Engineer Interview Experiences

1 interview found

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
-

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

Round 1 - Technical 

(8 Questions)

  • Q1. Python Coding Question 1: Make a list with all datatypes objects in it.
  • Ans. 

    Create a list containing all Python data types.

    • Use the following data types: int, float, complex, str, list, tuple, dict, set, bool, bytes, bytearray, memoryview, None

    • Example: ['int', 'float', 'complex', 'str', 'list', 'tuple', 'dict', 'set', 'bool', 'bytes', 'bytearray', 'memoryview', 'None']

  • Answered by AI
  • Q2. Python Coding Question 2: Extract a character from the string present in the list.
  • Ans. 

    Extract a character from a string in a list of strings.

    • Iterate through the list of strings

    • Use indexing to extract the desired character from each string

    • Handle cases where the index is out of range

    • Return the extracted characters as a new list

  • Answered by AI
  • Q3. Python Coding Question 3: Make a dictionary with Name and Age having 4 records.
  • Ans. 

    Create a dictionary with Name and Age for 4 records in Python.

    • Use curly braces {} to create a dictionary.

    • Separate key-value pairs with a colon :

    • Separate each record with a comma ,

  • Answered by AI
  • Q4. Python Coding Question 4: Make a string and write code to return the output with the reverse string.
  • Q5. Python Coding Question 5: Write a function to check if the string is Palindrome. Check the function with a Palindrome.
  • Ans. 

    Function to check if a string is a palindrome.

    • Create a function that takes a string as input.

    • Reverse the string and compare it with the original string.

    • Return true if they are the same, false otherwise.

    • Example: 'racecar' is a palindrome.

  • Answered by AI
  • Q6. SQL Coding Question 1: Write an SQL query to extract the data from employees table, extract day of joining, month of joining, year of joining from the "Date Of Joining".
  • Q7. What is Data normalization and standardization?
  • Ans. 

    Data normalization is the process of organizing data in a database efficiently, while data standardization is the process of ensuring consistency and uniformity in data.

    • Data normalization involves organizing data into tables and columns to reduce redundancy and improve data integrity.

    • Data standardization involves ensuring that data is consistent and uniform across the database.

    • Normalization helps in reducing data redun...

  • Answered by AI
  • Q8. Statistics/Probability Question: 4 ball of each colors(Red, Green, Blue) are present in the box. After drawing 3 ball randomly from the box, what is the probability of getting all 3 ball having the same co...
  • Ans. 

    The probability of drawing 3 balls of the same color from a box containing 4 balls of each color (Red, Green, Blue).

    • Calculate the total number of ways to draw 3 balls out of 12 balls

    • Calculate the number of ways to draw 3 balls of the same color

    • Divide the number of favorable outcomes by the total number of outcomes to get the probability

  • Answered by AI

Interview questions from similar companies

I applied via LinkedIn and was interviewed before Nov 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Real life example of usage of Window functions - lag and lead
  • Ans. 

    Window functions like lag and lead are used to analyze data over a specific range or window.

    • Lag function can be used to calculate the difference between current and previous values in a time series data.

    • Lead function can be used to calculate the difference between current and future values in a time series data.

    • Window functions can be used to calculate moving averages, cumulative sums, and other statistical measures.

    • Fo...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prapared with SQL and technical but most importantly don't be shy in talking.

Skills evaluated in this interview

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

Interview Questionnaire 

1 Question

  • Q1. Why should we hire you?
  • Ans. Because you will never get some one like me.
  • Answered Anonymously

Interview Preparation Tips

Interview preparation tips for other job seekers - Be calm and cool. Never show that u lack confidence trust your guts and do well.

I applied via Company Website and was interviewed before Aug 2021. There were 3 interview rounds.

Round 1 - Aptitude Test 

Simple aptitude and coding test, I was selected from national talent hunt exam

Round 2 - Technical 

(1 Question)

  • Q1. Discussion about projects and Areas of interest
Round 3 - HR 

(1 Question)

  • Q1. Basic questions like ok with location, shifts etc

Interview Preparation Tips

Topics to prepare for Wipro Data Analyst interview:
  • Leetcode
  • Data Structures
  • Python
Interview preparation tips for other job seekers - practice Aptitude and mainly coding mostly easy problems not into medium or hard

Interview Questionnaire 

1 Question

  • Q1. What is yr salary expectation

I applied via Campus Placement and was interviewed in Oct 2020. There were 4 interview rounds.

Interview Questionnaire 

5 Questions

  • Q1. Tell me about your self ?
  • Q2. What is your strength?
  • Q3. What is aadhar card (because i am in aadhhar process)
  • Ans. 

    Aadhaar card is a unique identification card issued by the Indian government to residents of India.

    • Aadhaar card is a 12-digit unique identification number issued by the Unique Identification Authority of India (UIDAI).

    • It serves as proof of identity and address for Indian residents.

    • Aadhaar card contains biometric and demographic information of the cardholder, including fingerprints and iris scans.

    • It is used for various ...

  • Answered by AI
  • Q4. Check reading and conversation skill
  • Q5. Are u agree with night shift

Interview Preparation Tips

Interview preparation tips for other job seekers - All questions will be easy, which we can answer ourselves.

Interview Questionnaire 

3 Questions

  • Q1. About my self and my experience.
  • Q2. What's the reason for leaving previous job?
  • Q3. Technical question depends on process.

I applied via Naukri.com 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 tips
Round 2 - Technical 

(1 Question)

  • Q1. What is Structured Query Language?
  • Ans. 

    Structured Query Language (SQL) is a programming language used to manage and manipulate relational databases.

    • SQL is used to create, modify, and delete databases, tables, and data

    • It is used to retrieve data from databases using queries

    • SQL is used to perform operations on data such as sorting, filtering, and grouping

    • Examples of SQL-based database management systems include MySQL, Oracle, and Microsoft SQL Server

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - My Goal is to get the Job as a Data Analyst or Business analyst

Skills evaluated in this interview

I applied via Recruitment Consultant and was interviewed in Aug 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Prior experience,questions related to data analysis tools.

Interview Preparation Tips

Interview preparation tips for other job seekers - Interview process is fast,mine got done in a day but if you are selected and your salary negotiation is finished, it will take almost a month to get offer letter,so need not worry till that time you will surely get it.
The reason behind the offer letter delay is they have to get approvals from multiple teams which creates a delay on the process.

I applied via Company Website and was interviewed before Jun 2020. There were 4 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Python data structures
  • Q2. MongoDB database algorithms
  • Ans. 

    MongoDB database algorithms are used for efficient data storage, retrieval, and processing.

    • MongoDB uses various algorithms for indexing, sharding, and aggregation.

    • Indexing algorithms include B-tree, hash, and text search indexes.

    • Sharding algorithms include range-based, hash-based, and zone-based sharding.

    • Aggregation algorithms include map-reduce and aggregation pipeline.

    • MongoDB also uses algorithms for query optimizati

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepared with your basics

Skills evaluated in this interview

Datamatics Global Services Interview FAQs

How many rounds are there in Datamatics Global Services Data Engineer interview?
Datamatics Global Services interview process usually has 1 rounds. The most common rounds in the Datamatics Global Services interview process are Technical.
How to prepare for Datamatics Global Services 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 Datamatics Global Services. The most common topics and skills that interviewers at Datamatics Global Services expect are AWS, Python, SQL, API Integration and Big Data.

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Datamatics Global Services Data Engineer Interview Process

based on 1 interview

Interview experience

3
  
Average
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Datamatics Global Services Data Engineer Salary
based on 14 salaries
₹4 L/yr - ₹13.6 L/yr
24% less than the average Data Engineer Salary in India
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