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Tranzita Systems Interview Questions and Answers
Tranzita Systems Interview Experiences
3 interviews found
Anonymous
Selected
I applied via Referral and was interviewed in Nov 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Write a query to find the second highest salary from the table.
- Ans.
Query to find the second highest salary from a table
Use the ORDER BY clause to sort the salaries in descending order
Use the LIMIT clause to retrieve the second row
- Q2. You have a list and your task is to remove the duplicates item from the list without using any inbuilt function.
- Ans.
Remove duplicates from a list without using inbuilt functions
Create an empty list to store unique items
Iterate through the original list and add items to the new list if they are not already present
Return the new list with duplicates removed
(2 Questions)
- Q1. Why should we hire you?
- Ans.
I have a strong background in data engineering with proven experience in designing and implementing scalable data solutions.
I have a solid understanding of data modeling, ETL processes, and data warehousing.
I have experience working with various databases such as SQL, NoSQL, and cloud-based solutions like AWS Redshift.
I am proficient in programming languages like Python, Java, and Scala for data processing and analysis...
- Q2. Why you left your previous organization?
- Ans.
Seeking new challenges and growth opportunities.
Desire for career advancement
Looking for new challenges
Seeking better work-life balance
Relocation to a different city
Company restructuring or downsizing
Data Engineer Interview Questions asked at other Companies
Selected
I applied via Campus Placement and was interviewed before Nov 2023. There were 2 interview rounds.
Development Related task.
(2 Questions)
- Q1. Data Structures questions
- Q2. Questions based on the projects.
Interview Preparation Tips
Data Engineer Interview Questions asked at other Companies
I applied via Company Website and was interviewed before Nov 2021. There were 3 interview rounds.
They mostly ask about data science related questions on Pandas
They ask List Dictionary and String related questions.
Interview Preparation Tips
Data Engineer Interview Questions asked at other Companies
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Interview Questionnaire
1 Question
- Q1. What is the architecture of Spark
- Ans.
Spark has a master-slave architecture with a cluster manager and worker nodes.
Spark has a driver program that communicates with a cluster manager to allocate resources and schedule tasks.
The cluster manager can be standalone, Mesos, or YARN.
Worker nodes execute tasks and store data in memory or on disk.
Spark can also utilize external data sources like Hadoop Distributed File System (HDFS) or Amazon S3.
Spark supports va...
Skills evaluated in this interview
I applied via Walk-in and was interviewed before Feb 2020. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Interview mainly asked about spark architecture.
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Jul 2020. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Joined as a fresher, basic C program algo
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Mar 2022. There were 3 interview rounds.
(1 Question)
- Q1. They will probably measure your technical knowledge for their requirement as per the project.
(1 Question)
- Q1. Investigated why I am changing my current job, what was my role serving at that point of time. Finally, discussion about the compensation, bonus etc.
Interview Preparation Tips
(2 Questions)
- Q1. Python list comprehension
- Q2. SQL- product with second highest total price
- Ans.
Use SQL query to find the product with the second highest total price.
Use the ORDER BY clause to sort the products by total price in descending order
Use the LIMIT clause to select the second row after sorting
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Jan 2024. There was 1 interview round.
(4 Questions)
- Q1. Lazy evaluation narrow wide tranform data brick utlity functions
- Q2. Dag,edges vertices
- Q3. Spark architecture
- Q4. Memory allocation
I applied via Approached by Company
(3 Questions)
- Q1. Word Count program in Spark Scala
- Ans.
Implement a Word Count program in Spark Scala
Use Spark's RDD API to read input text file
Split each line into words and map them to key-value pairs
ReduceByKey operation to count occurrences of each word
Save the result to an output file
- Q2. Apache spark architecture
- Q3. Higher Order Functions in Scala
- Ans.
Higher Order Functions in Scala are functions that take other functions as parameters or return functions as results.
Higher Order Functions allow for more concise and readable code.
Examples include map, filter, reduce, and flatMap in Scala.
They promote code reusability and modularity.
Higher Order Functions are a key feature of functional programming.
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Skills evaluated in this interview
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Software Development Engineer
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Software Development Engineer 1
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