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      Data Scientist Interview

      Apr 29, 2019
      Anonymous Interview Candidate
      No offer
      Neutral experience
      Easy interview

      Application

      I applied online. The process took 2 weeks. I interviewed at Meta in Apr 2019

      Interview

      I had an initial call with a recruiter, where I was asked one easy question about a skewed mean vs. median. I then had a 45-minute technical phone interview with a Data Scientist Manager. One very easy SQL question, followed by about 30 minutes of just product analytics questions. I thought it went really well - the conversation went smoothly, good energy, I gave detailed answers and have product knowledge and enthusiasm from using the products myself. I was really excited about it, but then I just heard I didn't get past this round. Not sure why, I emailed asking for any feedback, but haven't heard yet. Red flags: the video aspect of the BlueJeans app didn't work, so we couldn't see each other; interviewer came off as slightly snobby and arrogant and told me she didn't read past the first page of my resume (I have a two-page resume, - I know there is debate about that, and I've heard cases made for either one-page or two-page, but now I'm strongly considering condensing mine to one page), but I guess they can afford to be that way, as they are facebook... (eye roll). Every time I've spoken with a Facebook data scientist in recent years, either in interviews or informally, there is a "you're lucky to speak with me, I know I'm in a privileged position and I love holding that over your head" vibe... not at all a humble stance or a sense that everyone has things to offer, not *only* people who work at Facebook. It's confusing to have a *technical* phone screen and to answer all the *technical* parts reasonably and correctly, and ... not make it to the next round, at which time rejection can be anything from personality fit to company needs. Being rejected at a technical round after doing well on the technical aspect is... odd.

      Interview questions [1]

      Question 1

      Given a table with columns country (with two-letter country abbreviation), count of requests sent, percentage of requests sent failed, condense down to this data grouped by country: country (one row per country), total count of requests sent, total count of requests sent failed.
      7 Answers
      1

      Other Data Scientist Interview Reviews for Meta

      Data Scientist Interview

      Jun 30, 2026
      Anonymous Interview Candidate
      Menlo Park, CA
      No offer
      Positive experience
      Average interview

      Application

      I interviewed at Meta (Menlo Park, CA)

      Interview

      Conversation with recruiter in email. Technical screening round where they ask about SQL and product sense. Onsite-Loop with four rounds. They ask about SQL, Product Sense, Statistics, Behavioural questions. The difficulty is average.

      Interview questions [1]

      Question 1

      SQL, Product Sense, Statistics, Behavioural round
      Answer question

      Data Scientist Interview

      Jul 1, 2026
      Anonymous employee
      Accepted offer
      Positive experience
      Easy interview

      Application

      I interviewed at Meta

      Interview

      The technical round kicked off with a design question about A/B testing for Facebook Reels, which I found engaging. Then, I tackled a SQL query on user comments and how to account for novelty effects in ongoing experiments. Thankfully, I had prepared with the company-specific questions on PracHub, and it made a real difference in my confidence. The entire process felt smooth, and after some behavioral questions, I received an offer that I happily accepted.

      Interview questions [3]

      Question 1

      Design an A/B test for a Facebook Reels ranking change and describe how you would interpret the results
      Answer question

      Question 2

      Write a SQL query to find users who commented on their own posts within twenty-four hours of publishing
      Answer question

      Question 3

      How would you detect and correct for novelty effects in an ongoing A/B experiment on Instagram
      Answer question

      Data Scientist Interview

      Jun 11, 2026
      Anonymous employee
      Cambridge, MA
      Accepted offer
      Positive experience
      Difficult interview

      Application

      I interviewed at Meta (Cambridge, MA)

      Interview

      Total 7 rounds: first round for resume screening, second for technical screening, then for on-site virtual with 4 interviews back to back, then hiring manager round after team matching and then salary negotiation with HR

      Interview questions [1]

      Question 1

      Meta’s evaluation rubrics focus heavily on "Product Thinking over Fancy Math". Interviewers want to see if you can operate like a product owner with an analytical mindset, navigating messy scenarios affecting billions of users
      Answer question