Meta (Facebook) Interview Questions

Scarlett S. - "Clarifying and definition of the metrics By creations down by 5%, how do you calculate the drop? the how % user create stories has dropped, or the overal stories being created fewer, could be average stories created by a user drops. Basically, how do you calculate the creation and drop? They have similarities, but it reveals diffrent type user behahviors. Assume they say fewer people create fewer stories , both, Just to be confirm that, we saw a 5% change/dig in how many user"See full answer

Rishi P. - "Facebook's mission is to bring people closer. And sports is common language connecting people across the world. The joy of enjoying watching sports is with friends who also support the same team, cheer for them and trade facts about them. The product I would build is a live interactive sports app that a group of friends, though they are apart physically, can join into, chat and share happiness. The interactive sports app will stream live sports and allow users to create a community or group"See full answer

Gomathi S. - "I product manage customer care - while I belong to the ecommerce platform team. customer care is not a direct contributor for revenue and the feedback i received during my career progression was unless i contribute to revenue i cannot be on promotion track. this is difficult feedback to act on as its not by job responsibility. worked with my manager on 2 fronts - 1) create a succession plan so i can take on additional responsibility that contributes to revenue and 2) create a plan on how care ca"See full answer

Anonymous Roadrunner - "from typing import List def two_sum(nums: List[int], target: int) -> List[int]: prevMap = {} for i, n in enumerate(nums): diff = target - n if diff in prevMap: return [prevMap[diff], i] else: prevMap[n] = i return [] debug your code below print(two_sum([2, 7, 11, 15], 9)) `"See full answer

Abdurhman M. - "Start your stream Use the Post tab to: Choose where to post your live broadcast. Write a description. Select a camera, mic and screen (if screen sharing). Add a title for your live broadcast (optional). Select the primary language of the stream. ... Once everything is set, select Go Live."See full answer

Ian S. - "Clarifying questions: What are we defining as "participation"? Does it include creating a live stream? Or is it just viewing a stream? Engaging (commenting/reacting) with other viewers during a live stream? ["Participation" = Watching, commenting, or reacting to a live stream as it's being broadcast, not during replays] Are these live streams from major broadcasters expecting large audiences? Or individuals making use of live broadcasting from their phones? [Across the board] "See full answer

Sarvesh G. - "def calc(expr): ans = eval(expr) return ans your code goes debug your code below print(calc("1 + 1")) `"See full answer

Anonymous Jellyfish - "Thank you for the question! Normally, I would want to ask some clarifying questions to try to better understand the scope of the problem. Below are some of those questions & assumptions I am going to make because I need to submit an answer without getting a response. Question 1: What is Facebook’s north star metric for this exercise? Growth? Engagement? I’m also keeping in mind that because we are talking about building a birthday feature in the earlier stages of Facebook, their north s"See full answer

Greg W. - "Clarifying Questions: Is this for business travel, personal travel, or both? Are there any particular objectives that we want to focus on? Think about why Facebook would want to do this is it because they are thinking about building an external-facing travel product, and want to test it on Facebook employees first? Facebook employees work hard, so they want to make sure that their employees are taking the vacations they need to optimize performance List user types employees trav"See full answer

Sandeep Y. - "Functional requirement's: partial search while searching for users, products any keywords in the search. additional keywords in the filter Black listed words in the search. Non functional requirements: low latency, search through 2 Billion records recent search should be cached. Design: high reads, we should have caching enabled over the primary db storages. caching cluster can be added when the search load increases. read ahead. - check in cache (periodic cache refresh), lfu, lru "See full answer

Garrett M. - "Do they ask these kinds of rapid fire questions?"See full answer

Anonymous Hummingbird - "Assumptions: This is an entirely new app and not part of FB Clarification questions: Q: What type of doctors are they looking for? It seems like an app would be for a more generalist doctor to establish relationship and not some type of emergency situation A: Yes Q: When we say looking for doctors whats the scope of this? Should we include making the actual appointment, does this happen on platform? A: Yes, initial appointment Ok thanks based on that I think we have enough to get started. "See full answer

Raj S. - "ads vsd dsa. How would you improve Facebook Groups given the goal of increasing the feeling of community?"See full answer

Shubham A. - "I was working in a Silicon Validation group and the roadmap for all validation strategy was defined, But the problem with that was it was as with the roadmap given, the quality would have compromised and hence, I raised a concern regarding the quality of the product. Initially the team members were not convinced, I borrowed a week's time with them and scheduled another meeting and brought up all the data(high level) which we should be covering during the validation timeframe. Also added tentati"See full answer

Michael B. - "Use an index, two pointers, and a set to keep track of elements that you've seen. pseudo code follows: for i, elem in enumerate(array): if elem in set return False if i > N: set.remove(array[i-N])"See full answer