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Wissen Technology Data Engineer Interview Questions and Answers
Wissen Technology Data Engineer Interview Experiences
5 interviews found
Anonymous
Selected
1- sql adn 10 spark questions.
(2 Questions)
- Q1. Python programs - 4
- Q2. Sql questions - 4
(1 Question)
- Q1. Project related and work experience questions
(1 Question)
- Q1. Managerial question
Coding question for SQL and multiple choice questions around pyspark and python
1 hr test contains 2 coding questions and 1 SQL question
What people are saying about Wissen Technology
Selected
It is online test shared to email, contains mcq and coding questions
(1 Question)
- Q1. SQL, Azure, Normalization, pyspark
Wissen Technology interview questions for designations
I applied via Naukri.com and was interviewed in Jan 2024. There was 1 interview round.
(1 Question)
- Q1. What is partitioning in hive?
- Ans.
Partitioning in Hive is a way to organize data in a table into multiple partitions based on one or more keys.
Partitioning helps in improving query performance by allowing Hive to only read the relevant partitions instead of scanning the entire table.
Partitions can be based on one or more columns, such as date, region, or category.
Partitioning can also help in managing large datasets efficiently by dividing them into sm...
Skills evaluated in this interview
Interview questions from similar companies
Bhupendra Sonwane
Selected
I was interviewed in Oct 2024.
(2 Questions)
- Q1. SQL problem window function
- Q2. SQL code like join and scenerio
(2 Questions)
- Q1. Design round for adf pipeline
- Ans.
Designing an ADF pipeline for data processing
Identify data sources and destinations
Define data transformations and processing steps
Consider scheduling and monitoring requirements
Utilize ADF activities like Copy Data, Data Flow, and Databricks
Implement error handling and logging mechanisms
- Q2. Azure synapses and adf adb
(2 Questions)
- Q1. Expected ctc and current ctc negotiations
- Ans.
Discussing expected and current salary for negotiation purposes.
Be honest about your current salary and provide a realistic expectation for your desired salary.
Highlight your skills and experience that justify your desired salary.
Be open to negotiation and willing to discuss other benefits besides salary.
Research industry standards and salary ranges for similar positions to support your negotiation.
Focus on the value y...
- Q2. Relocation and remote work until ofc open for Pune location
Interview Preparation Tips
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Oct 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Azure Scenario based questions
- Q2. Pyspark Coding based questions
(2 Questions)
- Q1. ADF, Databricks related question
- Q2. Spark Performance problem and scenarios
- Ans.
Spark performance problems can arise due to inefficient code, data skew, resource constraints, and improper configuration.
Inefficient code can lead to slow performance, such as using collect() on large datasets.
Data skew can cause uneven distribution of data across partitions, impacting processing time.
Resource constraints like insufficient memory or CPU can result in slow Spark jobs.
Improper configuration settings, su...
Skills evaluated in this interview
Data Engineer Interview Questions & Answers
Indium Software
Kathiravan Kesavan
posted on 16 Dec 2024
Selected
I applied via Recruitment Consulltant and was interviewed in Nov 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Question based on big data
- Q2. Cloud based messaging system
(1 Question)
- Q1. Cloud based operations
(2 Questions)
- Q1. SCD questions. Iceberg questions
- Q2. Basic python programing, pyspark architechture.
(1 Question)
- Q1. Spark basic question , hive related questions.
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Wissen Technology Data Engineer Interview Process
based on 5 interviews
1 Interview rounds
- Coding Test Round
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