Meta (Facebook) Interview Questions

Scott S. - "Situation Our data engineering team was growing rapidly, and we needed to establish a more structured management layer to support this growth. One of our senior engineers, Sarah, had consistently demonstrated leadership qualities and technical expertise. The team was working on a critical project to enhance our real-time analytics capabilities, and it became clear that we needed additional management support to ensure the project's success. Task My task was to evaluate Sarah’s potential"See full answer

Ben G. - "Ask Follow up Questions Is this for specific type of user or open? Do we have any past research that has been done? Do we have an idea of company and user goals? Do we have metrics of success? Are there any existing constraints? Why  |  5 min Why is this product or feature important? How does this product benefit customers? What business opportunities does it create? What is our hypothesis? What are our company goals? Who  |  3 min Who are the different types"See full answer

Nishant V. - "Clarify: Across all platforms? - Yes Specific geographies? - No Any specific users? Like >60 years - No Benefits of profile picture: User can find their friends by identifying them through profile picture. Helps in understanding if the profile is genuine. Also establishes trust in the platform. Users checking profiles is also a way for users to engage on the platform. Possible decisions: Remove profile upload feature Make it optional No change Approach to make decis"See full answer

BePostive - "· Support team members to grow, people oriented, have ability to deal with underperformers, influential and motivational skills · Can deal with multiple releases and able to manage resource crunch"See full answer

Sneha D. - "Design a university voting app"See full answer

Anjali M. - "Define Groups: Platform where users ( organizers and members) with shared interests can come together and express their thoughts and opinions. Meta's mission: To bring ppl closer together by giving them access to tools and technology. Groups Mission alignment: Gives Organizers and members to come closer together over shared interests and build community. Users : Organizers ( create a group-> invite people on the platform --> can accept or deny a member to the group --> Intera"See full answer

Alvaro R. - "bool isValidBST(TreeNode* root, long min = LONGMIN, long max = LONGMAX){ if (root == NULL) return true; if (root->val val >= max) return false; return isValidBST(root->left, min, root->val) && isValidBST(root->right, root->val, max); } `"See full answer

Arthur Y. - "Clarifying questions: Clarify what Facebook Lite is Assumed answer: It’s a slimmed down version of mobile FB app optimized for slower connections and uses less data than the primary mobile FB app by not offering features like videos and high resolution photos. It is only available on Android and primarily built by FB to the developing world can have access to FB. What is meant by “opens are down”? Assumed answer: The total amount of opens of the app on Android devices"See full answer

Exponent - "This type of question is a Technical problem. Although you will not need to actually code the feature, it's important to understand basic technical concepts. Being able to cover these concisely with clarity shows you're an effective communicator. Here, we'll go over the broad technical steps needed to implement a basic reactions feature on Facebook. Briefly, the steps required are the following: Migrate the database to support reactions Write API code to be able to react to a post, and"See full answer

Gunjali D. - "Clarifying question: By podcast, we mean a series of digital audio generally available on the internet in the form of monologue or interview. Do we need to integrate it with Facebook or design a separate product? --> Separate Product not related to Facebook Mobile/web application --> Any Constraints? --> No Goal? --> To design a dedicated app to recommend podcasts in order to increase user satisfaction Users: Power Users: Who regularly listens to podcasts and keep detailed information on various"See full answer

Anubhav A. - "Clarifying question: We are just interested in facebook's ad rev and not other meta products We are looking at the rev coming per year globally formula = (avg. ads shown per min on fb products) x (avg. time spent per user per day in mins) x (avg. rev that fb makes per view) x (DAU) x 365 assumption all kind of ads give the same rev per view to fb all kind of geographies give the same rev per view to fb avg. ads shown per min -> user can scroll upto 20 posts easily in a min, lets"See full answer

Bhaskar B. - "This could be done using two-pointer approach assuming array is sorted: left and right pointers. We need track two sums (left and right) as we move pointers. For moving pointers we will move left to right by 1 (increment) when right sum is greater. We will move right pointer to left by 1 (decrement) when left sum is greater. at some point we will either get the sum same and that's when we exit from the loop. 0-left will be one array and right-(n-1) will be another array. We are not going to mo"See full answer

Scott S. - "Looking back on my most recent project, which involved developing a real-time market data processing platform in the derivatives trading function , there are a few things I would have done differently to improve the process and outcomes. Here’s a reflection on those aspects: 1. \\Enhanced Initial Stakeholder Engagement\\ What Happened: While we did conduct stakeholder meetings at the beginning of the project, some specific requirements and expectations emerged later in the process,"See full answer

Swaroop M. - "Formulate a draft format of idea, open to feedback, communicate your progress"See full answer

Aryan D. - "int main() { int a1[7]={1,2,3,4,5,6,7}; int a2[7]={1,9,10,11,12,13,14}; vectorv; v.insert(v.begin(),begin(a1),end(a1)); v.insert(v.begin(),begin(a2),end(a2)); int a3[v.size()]; sort(v.begin(),v.end()); for(int i=0;i<v.size();i++) { a3[i]=v[i]; } } `"See full answer

Saurabh P. - "Clarifying questions: Understand the goal of building this product. (Generate revenue) Geography is limited to cities in USA? (Yes) Can we go big with resource investments? (Yes) Is this is a brand new product? (Yes) Personas: Job switchers - working professionals (high willingness to pay) who are moving to a specific city because of a job change Students moving to a new city - includes those who are pursuing education or internship opportunities People relocating after major life e"See full answer

Anonymous Hawk - "A few clarifying questions: Algorithm that is specifically used to match individuals? Define better? More matches, higher likelihood of relationship? etc. Next I'd like to consider the product's goals, how users engage with the app, how we'd measure those engagements, and how they align with our goals. Considering Goals Facebook's mission is to give people the tools to build communities FB Dating's goal for the end user is to find a partner, but for Facebook it is really ab"See full answer