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TCS iON Data Engineer Interview Questions and Answers
TCS iON Data Engineer Interview Experiences
2 interviews found
Anonymous
(1 Question)
- Q1. What is the process for creating Glue jobs?
I applied via Job Portal and was interviewed in Aug 2024. There was 1 interview round.
(1 Question)
- Q1. Windows function of sql?
- Ans.
Windows function in SQL is used to perform calculations across a set of table rows related to the current row.
Windows functions are used to calculate values based on a specific window or subset of rows within a table.
They allow for aggregation and ranking functions to be applied to a specific set of rows.
Examples include ROW_NUMBER(), RANK(), DENSE_RANK(), and NTILE().
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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.
Interview Preparation Tips
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
Data Engineer Interview Questions & Answers
Quantiphi Analytics Solutions Private Limited
Tushar Patil
posted on 8 Nov 2024
I applied via Campus Placement
Aptitude test had few quant and verbal questions then SQL MCQs and 3 Coding question
(2 Questions)
- Q1. Questions about guesstimates and puzzles
- Q2. Which coding language is better and why?
- Ans.
There is no one 'better' coding language, as it depends on the specific use case and requirements.
The best coding language depends on the project requirements, team expertise, and ecosystem support.
For data engineering, languages like Python, Scala, and SQL are commonly used for their data processing capabilities.
Python is popular for its simplicity and extensive libraries like Pandas and NumPy, while Scala is known fo...
I applied via Company Website and was interviewed in Jul 2024. There was 1 interview round.
(2 Questions)
- Q1. Python Lambda Function
- Q2. What are pods in Kubernetes
- Ans.
Pods are the smallest deployable units in Kubernetes, consisting of one or more containers.
Pods are used to run and manage containers in Kubernetes
Each pod has its own unique IP address within the Kubernetes cluster
Pods can contain multiple containers that share resources and are scheduled together
Pods are ephemeral and can be easily created, destroyed, or replicated
Pods can be managed and scaled using Kubernetes contr
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TCS iON Data Engineer Interview Process
based on 2 interviews
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