AmbitionBox
Interview Questions
- Reviews
- Salaries
- Interview Questions
- About Company
- Benefits
- Jobs
- Office Photos
- Community
Add office photos
i
Cognizant
Compare
Proud winner of ABECA 2024 - AmbitionBox Employee Choice Awards
Filter interviews by
Cognizant Data Engineer Interview Questions, Process, and Tips
Top Cognizant Data Engineer Interview Questions and Answers
- Q1. What are all the issues you faced in your project? What is Global Parameter? Why do we need parameters inADF? What are the API's in Spark?
- Q2. What is the difference between supervised and unsupervised learning?
- Q3. How to find delta between two tables in SQL?
Cognizant Data Engineer Interview Experiences
31 interviews found
Anonymous
Selected
I applied via Approached by Company and was interviewed before Jan 2024. There was 1 interview round.
One python and one sql
Selected
I applied via Naukri.com and was interviewed before Mar 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Spark optimization techniques
- Ans.
Spark optimization techniques involve partitioning, caching, and tuning configurations.
Partitioning data to distribute workload evenly
Caching frequently accessed data to avoid recomputation
Tuning configurations like memory allocation and parallelism
Using broadcast joins for small tables
Avoiding shuffling operations whenever possible
- Q2. Python simple programs
(1 Question)
- Q1. Compensation and why are you switching
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Campus Placement and was interviewed before Jul 2023. There were 2 interview rounds.
String manipulation, array modification, data structure
(2 Questions)
- Q1. Life goals,hobby,why you want to join company?
- Q2. What are your hobbies?
Interview Preparation Tips
What people are saying about Cognizant
Selected
I applied via Naukri.com and was interviewed before Mar 2023. There were 2 interview rounds.
Trailing zeroes in factorial
(1 Question)
- Q1. PySpark, Python, SQL and AWS. Level of interview is moderate.
Cognizant interview questions for designations
Selected
I applied via Campus Placement and was interviewed before Apr 2023. There was 1 interview round.
(1 Question)
- Q1. What is list in python
- Ans.
A list in Python is a collection of items that are ordered and mutable.
Lists are created using square brackets []
Items in a list can be of different data types
Lists can be modified by adding, removing, or changing items
Example: my_list = [1, 'apple', True]
Skills evaluated in this interview
Get interview-ready with Top Cognizant Interview Questions
(3 Questions)
- Q1. What experience do you have that would be relevant to this role? ...
- Q2. Why are you leaving your current job? / Why did you leave your previous job?
- Q3. Describe the workplace where you’ll be most happy and productive.
Interview Preparation Tips
Selected
I applied via Campus Placement and was interviewed before Sep 2022. There were 5 interview rounds.
It was a very Good experience
It was helpful to ace in interviews
(1 Question)
- Q1. Write the binary sort program
- Ans.
Binary sort program sorts an array by repeatedly dividing it into two halves and comparing elements.
Divide the array into two halves
Compare the middle element with the target value
Repeat the process on the sub-array where the target value may be located
(1 Question)
- Q1. Tested my English communication, and my drawing skills
Skills evaluated in this interview
(1 Question)
- Q1. What are all the issues you faced in your project? What is Global Parameter? Why do we need parameters inADF? What are the API's in Spark?
- Ans.
Answering questions related to data engineering
Issues faced in project: data quality, scalability, performance, integration
Global parameter: a parameter that can be accessed across multiple components in a system
Parameters in ADF: used to pass values between activities in a pipeline
APIs in Spark: Spark SQL, Spark Streaming, MLlib, GraphX
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Campus Placement and was interviewed before Feb 2022. There were 4 interview rounds.
Coding round consisted of few technical mcqs and 3 programming questions of any language and 2 questions on sql queries
(2 Questions)
- Q1. Basic programs like palindrome, fabinocci, prime etc
- Q2. Questions on python, oops, c, sql, cloud and java
(2 Questions)
- Q1. Basic hr questions - where do u see your self in 5 yrs etc
- Q2. Ready to relocate and also documents cross verification
Interview Preparation Tips
I applied via Referral and was interviewed in Mar 2022. There was 1 interview round.
(1 Question)
- Q1. How do you find the 3rd highest salary in sql?
Interview Preparation Tips
Cognizant Interview FAQs
The duration of Cognizant Data Engineer interview process can vary, but typically it takes about less than 2 weeks to complete.
Tell us how to improve this page.
Cognizant Interviews By Designations
- Cognizant Programmer Analyst Interview Questions
- Cognizant Programmer Analyst Trainee Interview Questions
- Cognizant Associate Interview Questions
- Cognizant Senior Associate Interview Questions
- Cognizant Processing Executive Interview Questions
- Cognizant Software Engineer Interview Questions
- Cognizant Senior Processing Executive Interview Questions
- Cognizant Software Developer Interview Questions
- Show more
Interview Questions for Popular Designations
- Senior Data Engineer Interview Questions
- Big Data Engineer Interview Questions
- Software Engineer Interview Questions
- Senior Software Engineer Interview Questions
- Database Admin Interview Questions
- Data Analyst Interview Questions
- System Engineer Interview Questions
- Associate Software Engineer Interview Questions
- Show more
Cognizant Data Engineer Interview Process
based on 34 interviews
2 Interview rounds
- Technical Round - 1
- Technical Round - 2
Top Skills for Cognizant Data Engineer
Data Engineer Interview Questions from Similar Companies
Fast track your campus placements
Cognizant Data Engineer Reviews and Ratings
based on 144 reviews
Rating in categories
|
Associate
72.1k
salaries
|  ₹0 L/yr - ₹0 L/yr |
|
Programmer Analyst
55.5k
salaries
| ₹0 L/yr - ₹0 L/yr |
|
Senior Associate
48.7k
salaries
| ₹0 L/yr - ₹0 L/yr |
|
Senior Processing Executive
28.9k
salaries
| ₹0 L/yr - ₹0 L/yr |
|
Technical Lead
17.5k
salaries
| ₹0 L/yr - ₹0 L/yr |
TCS
Infosys
Wipro
Accenture
- Home >
- Interviews >
- Cognizant Interview Questions >
- Cognizant Data Engineer Interview Questions
