Big Data Developer Interview Questions

1,784 big data developer interview questions shared by candidates

However, just because the interview is over doesn't mean your process should be. One step that many people skip in the job interview process is the review. Reviewing job interview is almost as important as the other steps. The review helps you realize what you did well, and what you could improve on
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Big Data Engineer

Interviewed at Amazon

3.5
Jun 25, 2021

However, just because the interview is over doesn't mean your process should be. One step that many people skip in the job interview process is the review. Reviewing job interview is almost as important as the other steps. The review helps you realize what you did well, and what you could improve on

FACT_ORDER_ITEM product_id, customer_id, view_day, item_price, quantity, page_view_id, is_ordered Note: This table gets 100M/day and has data for 5+years DIM_CUSTOMER customer_id, address, age, education Note: this table has 1B records We need to create geographic and demographic dashboards based on these weekly, monthly, and yearly tables, keeping in mind the huge volume of data within them for any joins
avatar

Big Data Engineer

Interviewed at Amazon

3.5
Apr 7, 2025

FACT_ORDER_ITEM product_id, customer_id, view_day, item_price, quantity, page_view_id, is_ordered Note: This table gets 100M/day and has data for 5+years DIM_CUSTOMER customer_id, address, age, education Note: this table has 1B records We need to create geographic and demographic dashboards based on these weekly, monthly, and yearly tables, keeping in mind the huge volume of data within them for any joins

for the first question(solutioning) Interviewer was expecting the only answer which he knew for it. and when he didn't get it he didn't take much interest. he asked me to leave in just first 2-3 minutes. it took me 2 hour to travel from Noida to Gurgaon and all i got was 2 minutes. i was already selected in TCS by this time and i had really good Big data skills with 3 years of exp but Interviewer was too stubborn. i am not angry because i didnt get selected but i was really angry that how casually UHG treats candidates in interview
avatar

Big Data Engineer

Interviewed at Optum

3.4
Jul 25, 2022

for the first question(solutioning) Interviewer was expecting the only answer which he knew for it. and when he didn't get it he didn't take much interest. he asked me to leave in just first 2-3 minutes. it took me 2 hour to travel from Noida to Gurgaon and all i got was 2 minutes. i was already selected in TCS by this time and i had really good Big data skills with 3 years of exp but Interviewer was too stubborn. i am not angry because i didnt get selected but i was really angry that how casually UHG treats candidates in interview

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