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Principal Global Services Senior Data Engineer Interview Questions, Process, and Tips

Updated 9 Nov 2024

Principal Global Services Senior Data Engineer Interview Experiences

1 interview found

Interview experience
1
Bad
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
No response

I applied via Approached by Company and was interviewed in May 2024. There were 2 interview rounds.

Round 1 - Technical 

(5 Questions)

  • Q1. End to End project Architecture and data pipeline working
  • Ans. 

    End to end project architecture involves designing and implementing a data pipeline to process and analyze data from various sources.

    • Define project requirements and goals

    • Design data architecture including data sources, storage, processing, and analytics tools

    • Implement data pipeline to extract, transform, and load data

    • Ensure data quality and consistency throughout the pipeline

    • Monitor and optimize performance of the data...

  • Answered by AI
  • Q2. Optimization performed in current project
  • Ans. 

    Implemented query optimization techniques to improve performance in data processing.

    • Utilized indexing to speed up data retrieval

    • Optimized SQL queries by rewriting them for better performance

    • Implemented caching mechanisms to reduce redundant data processing

  • Answered by AI
  • Q3. SQL query to delete Duplicates using CTEs
  • Ans. 

    Using Common Table Expressions (CTEs) to delete duplicates in SQL query

    • Use a CTE to identify duplicates by ranking rows based on a unique identifier

    • Delete rows with duplicate ranks in the main query

  • Answered by AI
  • Q4. Basic Python theory questions on lists and tuples and dictionaries
  • Q5. Reverse a list without inbuilt functions
  • Ans. 

    Reverse a list without using inbuilt functions

    • Create two pointers, one at the start and one at the end of the array

    • Swap the elements at the two pointers and move them towards the center until they meet

    • Repeat the process until the entire list is reversed

  • Answered by AI
Round 2 - Technical 

(4 Questions)

  • Q1. End to End Project implementation
  • Ans. 

    End to end project implementation involves taking a project from conception to completion, including planning, development, testing, and deployment.

    • Define project goals and requirements

    • Design data pipelines and architecture

    • Develop and implement data processing algorithms

    • Test and validate data quality and accuracy

    • Deploy and monitor the project in production

    • Iterate and improve based on feedback

  • Answered by AI
  • Q2. ETL Data warehousing concepts like CDC,SCD & Schema Design
  • Q3. Question on Data Mesh & Architecture Design for ETL
  • Q4. SQL joins, number of records for each join
  • Ans. 

    SQL joins combine data from two or more tables based on a related column between them.

    • Different types of SQL joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

    • The number of records in the result of a join depends on the type of join and the data in the tables.

    • For example, an INNER JOIN will only return records that have matching values in both tables, while a LEFT JOIN will return all records from the left...

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Principal Global Services Senior Data Engineer interview:
  • Project Implementation
  • Data Warehousing
  • SQL
Interview preparation tips for other job seekers - The interviewers are good but the HR recruiter was a pain to talk to, she was lazy and I had to follow up multiple times to get a response from her. After having cleared my technical rounds, she mailed me to send all required documents to proceed with HR discussion and did not respond after that to my calls or mails.

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(2 Questions)

  • Q1. Swap variables if two variables are given.
  • Q2. Given x and y predicted y for a particular x.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Questions on python programming- 2 and SQL-1

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

They will ask from you resume

Round 2 - Technical 

(1 Question)

  • Q1. Mostly related to your work experience
Round 3 - Technical 

(1 Question)

  • Q1. Most related to your skill sets
Round 4 - Technical 

(1 Question)

  • Q1. Mostly related to your skills sets
Round 5 - One-on-one 

(1 Question)

  • Q1. Behavioural Round to check attitude and behaviour
Round 6 - HR 

(1 Question)

  • Q1. He discussion related salary and other stuff
Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-

I applied via Campus Placement

Round 1 - Aptitude Test 

Basic 10 apti question

Round 2 - Coding Test 

Basic 5 python question

Round 3 - Coding Test 

Basic 5 SQL question

Round 4 - Technical 

(1 Question)

  • Q1. They asked two python program.
Round 5 - Technical 

(1 Question)

  • Q1. They asked one SQL question
Round 6 - HR 

(1 Question)

  • Q1. Just question based on my resume.
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Sql indexing. window function.
  • Q2. Many other sql questins were there
Round 2 - One-on-one 

(1 Question)

  • Q1. 5 year goal. where do you see yourself.

Interview Preparation Tips

Interview preparation tips for other job seekers - Good company.
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

General SQL Questions.

Round 2 - HR 

(1 Question)

  • Q1. Salary Negotiation.

Interview Preparation Tips

Interview preparation tips for other job seekers - Third-party Payroll.
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. What is joins in SQL?
  • Ans. 

    Joins in SQL are used to combine rows from two or more tables based on a related column between them.

    • Joins are used to retrieve data from multiple tables based on a related column.

    • Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

    • Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column;

  • Answered by AI
Round 2 - HR 

(1 Question)

  • Q1. How do you maintain your work life balance?

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before Mar 2023. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. What is LAN? How does Firewall works
  • Ans. 

    LAN stands for Local Area Network. A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.

    • LAN is a network of interconnected devices within a limited area, such as a home, office, or campus.

    • Firewall works by examining data packets and determining whether they should be allowed through based on predefined security rules.

    • Firewalls can...

  • Answered by AI

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in Dec 2021. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Normal Technical questions on devops tools
Round 2 - Coding Test 

Hard level of 1 st round with manager and team

Interview Preparation Tips

Interview preparation tips for other job seekers - Even if you are over qualified they may reject which our experience is not similar to theirs

Principal Global Services Interview FAQs

How many rounds are there in Principal Global Services Senior Data Engineer interview?
Principal Global Services interview process usually has 2 rounds. The most common rounds in the Principal Global Services interview process are Technical.
How to prepare for Principal Global Services Senior 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 Principal Global Services. The most common topics and skills that interviewers at Principal Global Services expect are Python, Analytical, AWS, Analytics and Auditing.
What are the top questions asked in Principal Global Services Senior Data Engineer interview?

Some of the top questions asked at the Principal Global Services Senior Data Engineer interview -

  1. End to End project Architecture and data pipeline work...read more
  2. SQL query to delete Duplicates using C...read more
  3. SQL joins, number of records for each j...read more

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Principal Global Services Senior Data Engineer Interview Process

based on 1 interview

Interview experience

1
  
Bad
View more
Principal Global Services Senior Data Engineer Salary
based on 16 salaries
₹15.5 L/yr - ₹21 L/yr
At par with the average Senior Data Engineer Salary in India
View more details

Principal Global Services Senior Data Engineer Reviews and Ratings

based on 4 reviews

3.4/5

Rating in categories

2.5

Skill development

4.2

Work-life balance

3.2

Salary

4.2

Job security

2.9

Company culture

2.2

Promotions

2.4

Work satisfaction

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