Senior Data Engineer Interview Questions

2,565 senior data engineer interview questions shared by candidates

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.
avatar

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.

Viewing 1501 - 1510 interview questions

See Interview Questions for Similar Jobs

Glassdoor has 2,565 interview questions and reports from Senior data engineer interviews. Prepare for your interview. Get hired. Love your job.