Interview Questions

Kurt K. - "Why skip defining the data model? Or did I just miss it?"See full answer

Brit L. - "Question #1 Imagine you were in charge of Facebook Watch, what metric would you want to measure? Clarify: Facebook Watch offers users video content including news, sports, live stream shopping and gaming, etc. it works on both desktops and mobiles. It's a fairly recent feature. Mission: Facebook's overall mission is to connect people and help them build communities, and Facebook Watch can help Facebook achieve this by keeping users up to date with local news, or conn"See full answer

Aakanksha R. - "My answer- A. Clarifying questions- External factors- Timelines, Geography, Competition Internal factors- Meta's goals for entering into fitness space, full-fledged app or part of any existing Meta app Goals- Will go after engagement, since it is a new app. B. Identifying users- Heavily/ Professionally into fitness Casual fitness enthusiasts Not interested in fitness C. Prioritizing user segments- I will prioritize #2. Segment #1 does not really need external motivati"See full answer

Shyla R. - "Questions Couple of questions to make sure we are on the same page with respect to my overall product understanding and its positioning in the market. Product understanding: FB Pay is a Payment/ Wallet offering using which customers can securely make peer-to-peer payments using Messenger/WhatsApp or even make purchases on FB / Instagram etc. Also, competitors with similar offerings are Apple Pay, Google Pay (to name a few). Is this a fair understanding of the product? Ans: Yes. Cu"See full answer

Personal W. - "Payment system requirement assumption: Need to be ACID Amount limitation - some validation for max input size can be done at client level/ API level. Need to store historic info - GDPR The information to be stored for database assumed can be structured so RDBMS like mysql or Postgres Notification requirement - if fail or success need to be text or email to user and or caller Scalable - Assumption that it deals with critical transaction so Availability and Scalability requirement i"See full answer

Rui B. - "Clarification and Assumption In house labeling vs outsourced? labeling text, images, bounding boxes, segmentations etc? what kind of issues have we observed? Assuming that data collection and pre/post-processing is done by different team and labeling starts with receiving data and ends with sending files back to my team. "outsourced, images containing objects, 2 dozen classes of objects to label bounding boxes." 2.Goal Quality is important because downstream effect. garbage in garbage out."See full answer

Anonymous Starfish - "Ask my manager how urgent is my task and why it should be done if needed. If its urgent enough and I can’t wait, communicate with team explaining what goals going to be achieved by implementing and why its important"See full answer

Coach - "Great question Evan, could you please help me with some context. Do you want me to consider Gsuite & Gmail on consumer or limit it to one or the other segment? Limit to B2C on GMAIL Promotions/ Notifications do you want me to include them? Exclude Would you want to consider only Gmail ecosystem or Gmail to All types of users? Any email recipient I would like to start with US as a geo and extrapolate would you be good with that? That's ok. That helps, than"See full answer

Neha A. - "Start with FB vision What are local awareness ad. Ad content that is shown to people when they are in proximity to a brick and mortal stores. Why did fb start local awareness ads. They are very effective in helping businesses acquire customers, or create top of mind recall. Drive business revenue and visibility. Helps FB monetize and enables users discover local businesses. Goal – [secondary] is to ensure that we build visibility for the businesses. [Primary ] Customer engagement. engage the c"See full answer

Praful B. - "The customer's business needs and requirements. The technical aspects of their legacy system. The budget and timeline constraints. The risks and mitigation strategies. The customer's specific concerns. Assess the feasibility of migrating their legacy system to the cloud - This will involve evaluating the technical aspects of their legacy system, as well as the business impact of the migration. Develop a migration plan -This plan should outline the steps involved in migrat"See full answer

Samuel S. - "Clarification questions: What is the time frame we want to build this? MVP 6 months What markets and geos are we targeting? e.g. developed markets and scope it to just US and canada Are we targeting any particular meta platform ? facebook, IG, whatsapp or i can pick ? Across mobile and web platforms. Yes Alignment with Meta's mission and vision and discusison on Product dynamics itself Meta's mission to empower people to build communities and bring the wo"See full answer

coolkid1 - "wasn't aware of ticketmaster thus asked time from interviewer to glance through the portal, also cross-checked any other value prop from the interviewer that i couldn't infer from website, for ex. providing assurance of confirmed tickets. clarifying questions - who am i? do we want to partner with another player or provide services on our own? any specific goal - monetization, engagement, retention etc. in mind? any particular geo? "See full answer

Kartikeya N. - "Clarifying questions Are we referring to the credit card users of a particular card company or the overall number of users? : Overall number And we are referring to the number of unique users right, as in a person may have more than 1 card? : yes Can I assume the time setting of the question to be 2024? : Yes Thanks. Here's how I would approach this. India's total population = 1.4 Bn I know for a fact that in India only 2.5% of population pays income tax. A salaried employee who doe"See full answer

Vidhyadhar V. - "public class CircularBuffer { private T[] buffer; private int head; private int tail; private int size; private final int capacity; public CircularBuffer(int capacity) { this.capacity = capacity; this.buffer = (T[]) new Object[capacity]; this.head = 0; this.tail = 0; this.size = 0; } public void enqueue(T item) { if (isFull()) { throw new IllegalStateException("Buffer is full"); } buf"See full answer

Kargi C. - "Average case - lookup/insert/delete - o(1) -> assuming a low load factor and uniform hash distribution. Worst case - o(n) -> where are keys collide in same bucket"See full answer

Hari priya K. - "Are we talking about Uber app? or generic app? if it is a Uber app, I will proceed further. Uber is a platform where a rider can book a ride from the Uber app. The rider puts their current location or location where they want to take ride from and enters destination address. The Uber app searches for appropriate driver ( based on distance and vehicle) and assigns a driver to the rider. After finishing the ride, the rider and driver were asked to rate each other and on the ride quality . This"See full answer

Scott S. - " Functional Requirements Content Ingestion\: Ingest news articles from various sources (websites, social media, etc.). Handle different types of content (text, images, videos). Content Analysis\: Extract and preprocess text from articles. Analyze the content for potential indicators of fake news. Model Training and Prediction\: Use machine learning models to classify content as fake or real. Continuously improve models with new data and f"See full answer