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I applied via LinkedIn and was interviewed in Jun 2024. There was 1 interview round.
Coding round of 2 questions of medium level
I applied via Company Website and was interviewed in Oct 2024. There were 4 interview rounds.
Basic Python, SQL, and Bash questions
Data pipeline design involves creating a system to efficiently collect, process, and analyze data.
Understand the data sources and requirements before designing the pipeline.
Use tools like Apache Kafka, Apache NiFi, or AWS Glue for data ingestion and processing.
Implement data validation and error handling mechanisms to ensure data quality.
Consider scalability and performance optimization while designing the pipeline.
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I applied via Naukri.com and was interviewed in Dec 2024. There was 1 interview round.
I applied via LinkedIn and was interviewed in Jul 2024. There were 2 interview rounds.
Hackerearth problem on reversing the string & one more array question
Reverse a given string
Use built-in functions like reverse() in Python
Iterate through the string in reverse order and append characters to a new string
Use stack data structure to reverse the string
I applied via Company Website and was interviewed before Aug 2023. There was 1 interview round.
I applied via Campus Placement
Easy to medium (30 mins, offline)
Pandas can read various file formats including CSV, Excel, JSON, HTML, and SQL.
Use pandas.read_csv() to read CSV files
Use pandas.read_excel() to read Excel files
Use pandas.read_json() to read JSON files
Use pandas.read_html() to read HTML tables
Use pandas.read_sql() to read SQL tables
Specify the file path or URL as the argument
Additional parameters can be used to customize the reading process
Lambda functions are anonymous functions that can be used to perform a single task or operation.
Lambda functions are defined using the lambda keyword.
They can take any number of arguments but can only have one expression.
Lambda functions are often used as arguments for higher-order functions.
Example: lambda x: x**2 defines a lambda function that squares its input.
Example: sorted(my_list, key=lambda x: x[1]) sorts a lis...
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