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      Data Engineer Interview

      8 Jun 2020
      Anonymous interview candidate
      Menlo Park, CA
      No offer
      Positive experience
      Average interview

      Application

      I applied online. The process took 2 weeks. I interviewed at Meta (Menlo Park, CA) in Apr 2020

      Interview

      It was a great process. Applied through a recruiter who contacted me on Linkedin then we set up a call to chat about my experience and the interview process. We scheduled a technical round and I was able to answer 3 SQL and 2.5 python . Looks like need at least 4 and 4 to get to next round so my journey ended here.

      Interview questions [6]

      Question 1

      # # sales # products # +------------------+---------+ +---------------------+---------+ # | product_id | INTEGER |>--------| product_id | INTEGER | # | store_id | INTEGER | +---<| product_class_id | INTEGER | # | customer_id | INTEGER | | | brand_name | VARCHAR | # +---<| promotion_id | INTEGER | | | product_name | VARCHAR | # | | store_sales | DECIMAL | | | is_low_fat_flg | TINYINT | # | | store_cost | DECIMAL | | | is_recyclable_flg | TINYINT | # | | units_sold | DECIMAL | | | gross_weight | DECIMAL | # | | transaction_date | DATE | | | net_weight | DECIMAL | # | +------------------+---------+ | +---------------------+---------+ # | | # | # promotions | # product_classes # | +------------------+---------+ | +---------------------+---------+ # +----| promotion_id | INTEGER | +----| product_class_id | INTEGER | # | promotion_name | VARCHAR | | product_subcategory | VARCHAR | # | media_type | VARCHAR | | product_category | VARCHAR | # | cost | DECIMAL | | product_department | VARCHAR | # | start_date | DATE | | product_family | VARCHAR | # | end_date | DATE | +---------------------+---------+ # +------------------+---------+ # */ # Question 1: # -- What percent of all products in the grocery chain's catalog # -- are both low fat and recyclable? #
      5 Answers

      Question 2

      Question 2: What are the top five (ranked in decreasing order) single-channel media types that correspond to the most money the grocery chain had spent on its promotional campaigns?
      4 Answers

      Question 3

      # Question 3: # -- % Of sales that had a valid promotion, the VP of marketing # -- wants to know what % of transactions occur on either # -- the very first day or the very last day of a promotion campaign.
      8 Answers

      Question 4

      Question 1: # Complete a function that returns the number of times a given character occurs in the given string # For example: # - input string = "mississippi" # - char = "s" # # - output : 4 """
      7 Answers

      Question 5

      """ # Question 2: # Fill in the blanks # # Given an array containing None values fill in the None values # with most recent non None value in the array # # For example: # - input array: [1,None,2,3,None,None,5,None] # # - output array: [1,1,2,3,3,3,5,5] #
      13 Answers

      Question 6

      # Question 3: # Complete a function that returns a list containing all the mismatched words (case sensitive) between two given input strings # For example: # - string 1 : "Firstly this is the first string" # - string 2 : "Next is the second string" # # - output : ['Firstly', 'this', 'first', 'Next', 'second']
      6 Answers
      65

      Other Data Engineer interview reviews for Meta

      Data Engineer Interview

      28 May 2026
      Anonymous interview candidate
      No offer
      Positive experience
      Difficult interview

      Application

      I applied through a recruiter. I interviewed at Meta

      Interview

      the first round is tech round there are 5sql+5python to do in 1hour. at lest 3 + 3 to pass the interveiw; will run the code to check the test cases

      Interview questions [1]

      Question 1

      medium level leetcode question for sql and python
      Answer question

      Data Engineer Interview

      26 May 2026
      Anonymous interview candidate
      No offer
      Neutral experience
      Average interview

      Application

      I applied online. I interviewed at Meta

      Interview

      I had Python and SQL round for 30 minutes each. The interview was for 1 hour 30 minutes for SQL and 30 mins for python coding. Completed 5 questions each but still got rejection email the next day.

      Interview questions [1]

      Question 1

      SQL and Python leet code questions
      Answer question

      Data Engineer Interview

      23 Apr 2026
      Anonymous interview candidate
      Menlo Park, CA
      No offer
      Positive experience
      Average interview

      Application

      I interviewed at Meta (Menlo Park, CA)

      Interview

      It was a contractual job , so the contractors reached out , they needed only SQL & Python proficiency. They explained the requirement and arranged the interview based on my availability.They were pretty efficient.I

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