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Koantek Data Engineer Interview Questions and Answers
Koantek Data Engineer Interview Experiences
8 interviews found
Hacker Rank Test that was not much hard
(2 Questions)
- Q1. Basics of python, SQL and pyspark
- Q2. Projects written in the resume
(2 Questions)
- Q1. On databricks architecture
- Q2. Previous project experience
Shekhar Bisht
Selected
The Technical coding round will tested me on mid to complicated python and SQL coding
(1 Question)
- Q1. The technical round delved into my ongoing projects and tech stack where moreover python, SQL, DSA, spark architecture were discussed.
(1 Question)
- Q1. The HR discussion was a wrap up highlighting the company's culture and values and salary discussion Overall the onboarding was seamless.
Selected
I applied via Approached by Company and was interviewed in Mar 2024. There was 1 interview round.
(2 Questions)
- Q1. Pyspark fundamentals
- Q2. SQL coding qsns
I applied via Approached by Company and was interviewed in Mar 2024. There were 2 interview rounds.
One python coding question and one sql coding questions and MCQ questions
(1 Question)
- Q1. --difference between rdd, dataframe and dataset.
- Ans.
RDD is a distributed collection of objects, DataFrame is a distributed collection of rows with schema, and Dataset is a distributed collection of objects with schema.
RDD is a low-level abstraction in Spark that represents an immutable distributed collection of objects. It lacks the optimization that DataFrames and Datasets provide.
DataFrame is a distributed collection of data organized into named columns. It provides a...
Skills evaluated in this interview
Koantek interview questions for designations
Prashant kumar
You will receive a test link in which you will have 4 mcq ,1 python problem and 1 sql question
(1 Question)
- Q1. This was also coding round on hackerrank with one moderator
I applied via Approached by Company and was interviewed in Mar 2023. There were 3 interview rounds.
First round was a coding test online with screen monitoring
(2 Questions)
- Q1. Hacker rank code for no reason for de
- Ans.
The question is unclear and requires further clarification.
Request for more information on the specific requirements of the code.
Ask for clarification on the purpose of the code.
Determine the programming language to be used.
- Q2. Python sort element of string array by alphabet weightage and resolve all 23 test cases that nobody can
- Ans.
Sort string array elements by alphabet weightage in Python and pass 23 test cases.
Use the sorted() function with key parameter to sort elements by weightage
Define a function to calculate weightage of each character
Test the function with various test cases to ensure accuracy
Interview Preparation Tips
Skills evaluated in this interview
(1 Question)
- Q1. Spark, AWS, Python
(1 Question)
- Q1. Python, SQL, Spark
(1 Question)
- Q1. Salary discussion
(1 Question)
- Q1. General Interview
Interview Preparation Tips
Selected
I applied via Recruitment Consulltant and was interviewed before Mar 2023. There were 3 interview rounds.
BASIC PYTHON AND SQL
(2 Questions)
- Q1. Questions based on past experience
- Q2. My roles and responsibilities
(1 Question)
- Q1. Easy HR questions
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Data Engineer Interview Questions & Answers
Nineleaps Technology Solutions
Anonymous
posted on 23 Sep 2024
It wa really a great experience.
It was really a great experience.
(2 Questions)
- Q1. Where do you see yourself after 3 years?
- Ans.
In 3 years, I see myself leading a team of data engineers, implementing cutting-edge technologies, and driving impactful data-driven decisions.
Leading a team of data engineers
Implementing cutting-edge technologies
Driving impactful data-driven decisions
- Q2. What are your strenghts?
- Ans.
My strengths include strong analytical skills, attention to detail, and the ability to work well in a team.
Strong analytical skills - able to analyze complex data sets and derive meaningful insights
Attention to detail - meticulous in ensuring data accuracy and quality
Team player - collaborate effectively with colleagues to achieve common goals
(3 Questions)
- Q1. What projects you have worked upon?
- Ans.
I have worked on projects involving building data pipelines, optimizing database performance, and creating machine learning models.
Built data pipelines using Apache Spark and Kafka
Optimized database performance by tuning queries and indexes
Created machine learning models for predictive analytics
Implemented real-time data processing using technologies like Apache Flink
- Q2. What is your CGPA?
- Ans.
My CGPA is 3.8 out of 4.0.
My CGPA is 3.8, which is considered high in my university.
I have consistently maintained a high CGPA throughout my academic career.
I have received several academic awards based on my CGPA.
My CGPA reflects my dedication and hard work towards my studies.
- Q3. What are your hobbies?
- Ans.
My hobbies include hiking, photography, and playing the guitar.
Hiking: I enjoy exploring nature trails and challenging myself physically.
Photography: I love capturing moments and landscapes through my camera lens.
Playing the guitar: I find relaxation and creativity in strumming chords and learning new songs.
I applied via Naukri.com and was interviewed in Aug 2024. There was 1 interview round.
(2 Questions)
- Q1. Remove duplicates from array
- Ans.
Remove duplicates from array of strings
Use a Set data structure to store unique elements
Convert the array to a Set to remove duplicates
Convert the Set back to an array if needed
- Q2. Window function
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Skills evaluated in this interview
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Koantek Interviews By Designations
Interview Questions for Popular Designations
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Koantek Data Engineer Interview Process
based on 9 interviews
2 Interview rounds
- Coding Test Round
- Technical Round
Data Engineer Interview Questions from Similar Companies
Koantek Data Engineer Reviews and Ratings
based on 21 reviews
Rating in categories
|
Data Engineer
74
salaries
|  ₹5 L/yr - ₹20 L/yr |
|
Senior Data Engineer
29
salaries
| ₹16.8 L/yr - ₹31.5 L/yr |
|
Data Scientist
11
salaries
| ₹10.1 L/yr - ₹21 L/yr |
|
Solution Architect
6
salaries
| ₹28.1 L/yr - ₹68 L/yr |
|
Senior Data Scientist
6
salaries
| ₹18 L/yr - ₹30 L/yr |
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