Interview Questions

Sri V. - "First, I'd like to ask some clarifying questions and try to narrow down the scope of this question. Among them I would like to ask: a) How is the behaviour of pricing today? b) Are we looking to optimize a specific goal or a metric ? Ex: Click thru rate, Conversions etc. c) Exactly when user is searching for a product. d) what is dynamic pricing? - Pricing based on demand, inventory availability, user behavior etc. I'd now like to go thru a five step process to answer: a) Hypothesis:"See full answer

Scott S. - " Situation In the derivatives trading domain, timely and accurate data is crucial for making informed trading decisions. Our existing data processing system was facing challenges with latency and scalability, which hindered our ability to react swiftly to market changes. To address these issues, we designed a new real-time market data processing platform. Task The task was to develop a low-latency data processing platform that could handle real-time market data ingestion, processing, an"See full answer

Rishi G. - "Problem Statement: The Fibonacci sequence is defined as F(n) = F(n-1) + F(n-2) with F(0) = 1 and F(1) = 1. The solution is given in the problem statement itself. If the value of n = 0, return 1. If the value of n = 1, return 1. Otherwise, return the sum of data at (n - 1) and (n - 2). Explanation: The Fibonacci sequence is a series of numbers where each number is the sum of the two preceding ones, typically starting with 0 and 1. Java Solution: public static int fib(int n"See full answer

Elena G. - "Web API, Android API, Apple API, partner API, public API"See full answer

Priyank S. - "To clarify are we looking to build this product within FB app or standalone – standalone Can I assume I can build for US as mvp and then we can roll it globally phase wise – yes Is there a limitation to what task we want to cater people on our app or it could be multi task usual handyman not a niche – yes usual handyman Ok so if I understand we are designing a product for handyman for usual task to launch it in US and this is a standalone app not residing in FB app Overall I will talk about mi"See full answer

TreeOfWisdom - "Should this question be BST, not just BT? Otherwise it would not be possible to reconstruct the tree solely based on the array regardless of its order"See full answer

M N. - "To clarify, Lyft currently uses dynamic pricing which means the price of a ride is not constant and depends on multiple factors. Let's keep only the car rides on Lyft with driver-rider as customers in the current scope and ignore other product offerings such as bikes, scooters. Should we improve the current dynamic pricing model or design dynamic pricing assuming it doesn't exist? Let's assume latter. Let's assume this dynamic pricing applies to entire US market. Now let's see what factors I"See full answer

Debajyoti B. - "As far as i know, when we type a web address in the browser- the broswer connects to the DNS server & finds the address of the website we are looking for after finding it, the browser sends an HTTP request message to the server,with a request to send a copy of the website to the user. all of this information is sent using TCP/IP protocol across your internet"See full answer

Alexey T. - "-- The text of the task is a bit confusing. If the status is repeated several -- times, then in the end you should show as start_date the date of the first -- occurrence, and in end_date the date of the last occurrence of this status, -- and not the date of the beginning of the next status with t1 as (select order_id, status, orderdate as startdate, lead(orderdate) over (partition by orderid order by orderdate) as enddate, ifnull(lag(status) over (partition by order_id order by or"See full answer

Anonymous Angelfish - "Not at all impressed. Very simple problem he is solved"See full answer

Anonymous Sparrow - "Clarifying question: board meetings have varying degrees of formality, usually dependent on the size of the company and whether it's publicly-listed or still private. Is there a particular type of board meetings you'd like me to focus on? (Assume interviewer responds with: why don't you design something that's flexible to be used for any type of board meeting and any type of company) Sounds good, I'll leverage my own experience and understandings on how board meetings are run and problems to so"See full answer

Catherine I. - "I always ask to clarify if this is a brand new team. If so, then I focus on bringing in people with strong technical aptitudes(since I'm hiring for software engineering), but also team members that have experience mentoring and good communication is a must. I look for people who have leadership qualities. I emphasize that building a brand new team isn't something I can do on my own, so the initial hires of that team are very important to help me expand it."See full answer