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2,569 sr data engineer interview questions shared by candidates

In the technical round, they asked about the project mentioned in my resume. Approach obstacles, then ask about the Palantir workshop application and SQL (window & inner join) questions. questions were more focused towards credit fraud capturing (logics).
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Senior Data Analytics Engineer

Interviewed at Swiss Re

3.9★
Nov 4, 2025

In the technical round, they asked about the project mentioned in my resume. Approach obstacles, then ask about the Palantir workshop application and SQL (window & inner join) questions. questions were more focused towards credit fraud capturing (logics).

1. Write a QUERY to return the daily number of leads submitted for each lead type in a month . In case 0 leads, then query should return 0. Output: date,lead_type,number_leads Table leads(delivered_datetime_utc TIMESTAMP, lead_id INT, liting_id INT, lead_type VARCHAR, billing_id INT) Table dates(event_date DATE) 2. Write a Query to return the latest event for each user in a given day Table: user_events(user_id, event_timestamp, event_name) 3. Data Modeling on Listings data and three questions based on the model that you draw, such as how many for_sale listings are there in a given month, what is the median home price in a given state, and if you are price conscious, is it better to rent in summer or winter.
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Sr Data Engineer

Interviewed at Realtor.com

3.3★
Sep 24, 2025

1. Write a QUERY to return the daily number of leads submitted for each lead type in a month . In case 0 leads, then query should return 0. Output: date,lead_type,number_leads Table leads(delivered_datetime_utc TIMESTAMP, lead_id INT, liting_id INT, lead_type VARCHAR, billing_id INT) Table dates(event_date DATE) 2. Write a Query to return the latest event for each user in a given day Table: user_events(user_id, event_timestamp, event_name) 3. Data Modeling on Listings data and three questions based on the model that you draw, such as how many for_sale listings are there in a given month, what is the median home price in a given state, and if you are price conscious, is it better to rent in summer or winter.

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