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Exponentia.ai
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I am currently working on Talend version 7.3.1.
Working on Talend version 7.3.1
Familiar with the features and updates in this version
Experience in developing ETL processes using this version
Parallel processing in Talend allows for executing multiple tasks simultaneously, improving performance.
Use tParallelize component to run subjobs in parallel
Enable parallel execution in job settings
Utilize tFlowToIterate to process data in parallel
Implement parallel processing for large data sets to optimize performance
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I applied via Naukri.com and was interviewed before Aug 2023. There were 4 interview rounds.
Quantitative Analysis, Data Interpretation, Logical Reasoning
I applied via Naukri.com and was interviewed before Sep 2023. There were 2 interview rounds.
They give you SQL assignment to complete based on that select for technical interview
Window functions in SQL are used to perform calculations across a set of table rows related to the current row.
Window functions are used to calculate values based on a set of rows related to the current row.
They allow you to perform calculations without grouping the rows into a single output row.
Examples of window functions include ROW_NUMBER(), RANK(), DENSE_RANK(), and NTILE().
Group by is used to group rows that have the same values into summary rows, while distinct is used to remove duplicate rows from a result set.
Group by is used with aggregate functions like COUNT, SUM, AVG, etc.
Distinct is used to retrieve unique values from a column or set of columns.
Group by is used to perform operations on groups of rows, while distinct is used to filter out duplicate rows.
Group by is used in conjunc...
I applied via Approached by Company and was interviewed in Jun 2024. There were 4 interview rounds.
Snowflake is a cloud-based data warehousing platform known for its scalability, performance, and ease of use.
Snowflake uses a unique architecture called multi-cluster, which separates storage and compute resources for better scalability and performance.
It supports both structured and semi-structured data, allowing users to work with various data types.
Snowflake offers features like automatic scaling, data sharing, and ...
posted on 31 Dec 2024
I applied via Recruitment Consulltant and was interviewed before Dec 2023. There were 4 interview rounds.
I cannot recall the platform, but it featured a combination of Python and SQL questions, with the majority being focused on SQL.
I appeared for an interview in Jan 2025.
Basic Pyspark/python question with some mcqs
I am passionate about data engineering and believe this company offers unique opportunities for growth and learning.
Exciting projects and challenges at this company
Opportunities for growth and learning in data engineering
Alignment with company values and culture
Potential for career advancement and development
Interest in the industry or specific technologies used by the company
I applied via Walk-in
A general round having mix of maths,aptitude,english,puzzle and quiz. level was easy
I would analyze the situation, identify the root cause, and propose a solution based on data-driven insights.
Analyze the data to understand the problem
Identify the root cause of the issue
Propose a solution based on data-driven insights
I applied via LinkedIn and was interviewed before Jan 2024. There were 3 interview rounds.
Basic sql online assessment with some queries and mcq
Developed a data pipeline to ingest, process, and analyze customer behavior data for targeted marketing campaigns.
Designed and implemented ETL processes to extract data from various sources
Utilized Apache Spark for data processing and analysis
Built machine learning models to predict customer behavior
Collaborated with marketing team to optimize campaign strategies
I applied via LinkedIn and was interviewed in Aug 2020. There were 5 interview rounds.
Commands that run on driver and executor in a word count Spark program.
The command to read the input file and create RDD will run on driver.
The command to split the lines and count the words will run on executor.
The command to aggregate the word counts and write the output will run on driver.
Driver sends tasks to executors and coordinates the overall job.
Executor processes the tasks assigned by the driver.
based on 1 interview
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