"How I would approach this question:
Understand the goal of the customer service platform:
What is the main business goal of this company and how is the customer service platform serving the company goals?
For this question, I'm assuming the user journey is that customers come to the customer service platform when they run into issues. Thus, ultimately the customer service platform is feeding into the top line business metric of customer retention. Do customers keep"
Kay T. - "How I would approach this question:
Understand the goal of the customer service platform:
What is the main business goal of this company and how is the customer service platform serving the company goals?
For this question, I'm assuming the user journey is that customers come to the customer service platform when they run into issues. Thus, ultimately the customer service platform is feeding into the top line business metric of customer retention. Do customers keep"See full answer
"Interviewer: Design a Meta Product for space travel.
Me: I would first likely ask a few clarifying questions. Can we discuss more about what do we mean by a product for space travel? Is it like a physical product or a software product? Any existing suite of products that we want to integrate this into?
Interviewer: It can be a digital platform – a combination of software and services, integrated in a single ecosystem. It's not a physical product like a spacecraft, but rather a pla"
Ankit M. - "Interviewer: Design a Meta Product for space travel.
Me: I would first likely ask a few clarifying questions. Can we discuss more about what do we mean by a product for space travel? Is it like a physical product or a software product? Any existing suite of products that we want to integrate this into?
Interviewer: It can be a digital platform – a combination of software and services, integrated in a single ecosystem. It's not a physical product like a spacecraft, but rather a pla"See full answer
"First, I want to get a better sense of what is a DAU. What is considered “Active”? User sending message, reading message, opening app?
All of the them, any activity within the Messenger App
Second, it’s important to know the context of the change. What timeframe was this over?
Let’s assume this was over the past 30 days.
Ok, a follow up to this would be to check if this is a seasonal pattern? For example, there could be a correlation to Messenger usage and school starting.
**This"
Michael A. - "First, I want to get a better sense of what is a DAU. What is considered “Active”? User sending message, reading message, opening app?
All of the them, any activity within the Messenger App
Second, it’s important to know the context of the change. What timeframe was this over?
Let’s assume this was over the past 30 days.
Ok, a follow up to this would be to check if this is a seasonal pattern? For example, there could be a correlation to Messenger usage and school starting.
**This"See full answer
"I watched a couple of videos like this, one of them by Exponent staff (I think). It was disappointing that the architecture diagram and the walkthrough was a general layered architecture that you can apply to any backend system. I was wondering if there are videos that can be considered a reference material to watch, learn and improve on the tech (sys design) skills, and not so much about the soft skills."
BriskD - "I watched a couple of videos like this, one of them by Exponent staff (I think). It was disappointing that the architecture diagram and the walkthrough was a general layered architecture that you can apply to any backend system. I was wondering if there are videos that can be considered a reference material to watch, learn and improve on the tech (sys design) skills, and not so much about the soft skills."See full answer
"This was a 60 minute assessment. The clock is ticking and you're being observed by a senior+ level engineer. Be ready to perform for an audience.
The implementation for the system gets broken up into three parts:
Implement creating accounts and depositing money into an account by ID
Implement transferring money with validation to ensure the accounts for the transfer both exist and that the account money is being removed from has enough money in it to perform the transfer
Implement find"
devopsjesus - "This was a 60 minute assessment. The clock is ticking and you're being observed by a senior+ level engineer. Be ready to perform for an audience.
The implementation for the system gets broken up into three parts:
Implement creating accounts and depositing money into an account by ID
Implement transferring money with validation to ensure the accounts for the transfer both exist and that the account money is being removed from has enough money in it to perform the transfer
Implement find"See full answer
Software Engineer
Coding
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"Sales Performance Dashboard t for sales leaders to monitor product performance:
Sales Performance Dashboard
Top-Level Metrics (KPI Summary)
Time Filter: [Day] [Week] [Month] [Quarter] [Custom Range]
Total Sales Revenue
Displays total revenue for the selected period.
Units Sold
Breakdown by product category and SKU.
Average Deal Size
Total revenue ÷ Number of deals closed.
Conversion Rate
_Leads to sales conversion ratio."
Syed A. - "Sales Performance Dashboard t for sales leaders to monitor product performance:
Sales Performance Dashboard
Top-Level Metrics (KPI Summary)
Time Filter: [Day] [Week] [Month] [Quarter] [Custom Range]
Total Sales Revenue
Displays total revenue for the selected period.
Units Sold
Breakdown by product category and SKU.
Average Deal Size
Total revenue ÷ Number of deals closed.
Conversion Rate
_Leads to sales conversion ratio."See full answer
"I follow a variation of the RICE framework when prioritizing how I ship product features. I start by looking at:
Reach: Because the customer segmentation across our product portfolio is so similar, I tend to hold a lot of weight on product features that will maximize our customer reach with a minimal LOE.
Impact: After establishing which customer segments will benefit from the product feature, I determine the urgency and estimated impact on each customer segment based on customer i"
Ashley C. - "I follow a variation of the RICE framework when prioritizing how I ship product features. I start by looking at:
Reach: Because the customer segmentation across our product portfolio is so similar, I tend to hold a lot of weight on product features that will maximize our customer reach with a minimal LOE.
Impact: After establishing which customer segments will benefit from the product feature, I determine the urgency and estimated impact on each customer segment based on customer i"See full answer
"How would you monetize messenger?
Clarifying Questions
Is this messenger app or web?
INTERVIEWER: Assume both are a possibility, but feel free to pick one
Is there a larger facebook goal or metric we are optimizing for?
INTERVIEWER: Monetization speaks to revenue so assume goal is to increase revenue for Facebook as a whole
Does this include messenger Rooms or should we stick to the traditional FB messenger?
INTERVIEWER: _Messenger rooms is a great call out, but let's stick"
Jay C. - "How would you monetize messenger?
Clarifying Questions
Is this messenger app or web?
INTERVIEWER: Assume both are a possibility, but feel free to pick one
Is there a larger facebook goal or metric we are optimizing for?
INTERVIEWER: Monetization speaks to revenue so assume goal is to increase revenue for Facebook as a whole
Does this include messenger Rooms or should we stick to the traditional FB messenger?
INTERVIEWER: _Messenger rooms is a great call out, but let's stick"See full answer
"Assuming this is meant to be a standalone product. Its a standalone app.
Goal: Simplify the shopping experience in store for a user.
Success would be defined in terms of app usage as a proxy for user satisfaction.
I want to think about the a given user segment, their pain points, ways to improve their pain and a way to evaluate those solutions.
Broadly user personas associated with grocery shopping are - stores and customers.
For the purpose of this interview I want to focus on customer se"
P K. - "Assuming this is meant to be a standalone product. Its a standalone app.
Goal: Simplify the shopping experience in store for a user.
Success would be defined in terms of app usage as a proxy for user satisfaction.
I want to think about the a given user segment, their pain points, ways to improve their pain and a way to evaluate those solutions.
Broadly user personas associated with grocery shopping are - stores and customers.
For the purpose of this interview I want to focus on customer se"See full answer
"Sorted the array and stored the minimum difference in a variable and then traversed the array for the pairs having minimum difference"
Aashka C. - "Sorted the array and stored the minimum difference in a variable and then traversed the array for the pairs having minimum difference"See full answer
"1. Step 1: clarify
Let's establish the mission of Google and Youtube. Google's is to provide and make information more accessible. Youtube's might be to help people get their content, their word and themselves out into the world. I mean so many of Youtube's ads have been about how the diversity of individuals and their content, so that makes sense.
Let's establish what is Youtube. Youtube has 3 primary stakeholders - creators, viewers and brands/corporations and within them"
Karthik M. - "1. Step 1: clarify
Let's establish the mission of Google and Youtube. Google's is to provide and make information more accessible. Youtube's might be to help people get their content, their word and themselves out into the world. I mean so many of Youtube's ads have been about how the diversity of individuals and their content, so that makes sense.
Let's establish what is Youtube. Youtube has 3 primary stakeholders - creators, viewers and brands/corporations and within them"See full answer
"Problem scope:
Can this system detect Bot in real-time online or offline? Both.
Online traffic: 1M DAU.
Latency: 2s.
Offline frequency: daily
Offline data: 2B activity logs.
Data:
How do we know a Bot player (Label)? Human label.
Imbalance data: reweight, resample.
Develop a Bot simulator to generate more data offline for training.
Given lower weight to simulator data than human label.
Features:
Signals from different models online.
Log all the features for offline.
Propose new features: dail"
Jacky Y. - "Problem scope:
Can this system detect Bot in real-time online or offline? Both.
Online traffic: 1M DAU.
Latency: 2s.
Offline frequency: daily
Offline data: 2B activity logs.
Data:
How do we know a Bot player (Label)? Human label.
Imbalance data: reweight, resample.
Develop a Bot simulator to generate more data offline for training.
Given lower weight to simulator data than human label.
Features:
Signals from different models online.
Log all the features for offline.
Propose new features: dail"See full answer
"CQs:
Any specific geography? Assuming Indian market
Are we partnering up with some other company for delivery ? Assuming yes
Time frame for MVP? 1 year
Scoped out Problem statement:
Design a food delivery app for restaurant owners for India market within a timeframe of 1 year
Mission of this app:
Helping owners and vendors in smooth coordination of orders and delivering orders on time
Product goal:
Since this is a new product , we will focus on adoption/acquisition in short t"
Rajat A. - "CQs:
Any specific geography? Assuming Indian market
Are we partnering up with some other company for delivery ? Assuming yes
Time frame for MVP? 1 year
Scoped out Problem statement:
Design a food delivery app for restaurant owners for India market within a timeframe of 1 year
Mission of this app:
Helping owners and vendors in smooth coordination of orders and delivering orders on time
Product goal:
Since this is a new product , we will focus on adoption/acquisition in short t"See full answer
"Clarifying Questions
Are we building feature for YouTube Music/YouTube Video? -> YT Video has higher scope of user engagement so YT Video.
YT Video has 2 forms of video content, are we focusing on long form, short form or am I free to chose ? -> YT Shorts and short videos have taken off lately so focus on it.
Do we have a specific business goal with regards to building this feature ? -> We want to improve engagement.
Do we want to build this feature for a specific kind of audience or"
Mehul K. - "Clarifying Questions
Are we building feature for YouTube Music/YouTube Video? -> YT Video has higher scope of user engagement so YT Video.
YT Video has 2 forms of video content, are we focusing on long form, short form or am I free to chose ? -> YT Shorts and short videos have taken off lately so focus on it.
Do we have a specific business goal with regards to building this feature ? -> We want to improve engagement.
Do we want to build this feature for a specific kind of audience or"See full answer
"Situation: Our company was going through tech stack updated and our team tasked to migrate existing code into Typescript(TS) and all future development to be written with TS within our codebase.
TASK: Migrate existing codebase to TS and future integration to be TS compatible.
ACTION: The team deep dived into picking up TS skill and learnt some basics and focused on delivering the migration in phases. I prioritised the files to migrate based on levels of complexity. I created a Fil"
Shashank K. - "Situation: Our company was going through tech stack updated and our team tasked to migrate existing code into Typescript(TS) and all future development to be written with TS within our codebase.
TASK: Migrate existing codebase to TS and future integration to be TS compatible.
ACTION: The team deep dived into picking up TS skill and learnt some basics and focused on delivering the migration in phases. I prioritised the files to migrate based on levels of complexity. I created a Fil"See full answer
"Clarifying Questions:
Assume US Audience or Worldwide?
US Only
Assume short form content or long form content ?
Assume all
Premium or Ads Support ?
All
Solution:
US Population 300M
Will remove 70 ages as not relevant audience or not have access to YouTube = 60m
Leaving 240M.
Adoption of YouTube with remaining Population = 60% (including overlap and exclusion with other services e.g. Netflix)
Total Audience that watches YouTube daily = 144m (about half of US Populat"
Sumeet R. - "Clarifying Questions:
Assume US Audience or Worldwide?
US Only
Assume short form content or long form content ?
Assume all
Premium or Ads Support ?
All
Solution:
US Population 300M
Will remove 70 ages as not relevant audience or not have access to YouTube = 60m
Leaving 240M.
Adoption of YouTube with remaining Population = 60% (including overlap and exclusion with other services e.g. Netflix)
Total Audience that watches YouTube daily = 144m (about half of US Populat"See full answer
"This is coming from an Amazon manager who are taught to PIP people out. The first part he said is completely opposite with Amazon. They just pull people randomly into the room and put them either on dev list or PIP. This is unfortunately true for all of Amazon."
Vikas T. - "This is coming from an Amazon manager who are taught to PIP people out. The first part he said is completely opposite with Amazon. They just pull people randomly into the room and put them either on dev list or PIP. This is unfortunately true for all of Amazon."See full answer
"Clarify:
What is a transaction in Instagram Shops? Users click on an item and complete the payment in the Instagram Shops interface
How many transactions happen in Instagram shop per day/month?
What percentage of users have completed at least 1 transaction on Instagram Shops in the last year?
Key Metric to improve: # Users completing a transaction
Goals of the Product / Feature:
Meta’s goal is to build community and connect people together
Instagram’s goal is to connect and"
Nikitha G. - "Clarify:
What is a transaction in Instagram Shops? Users click on an item and complete the payment in the Instagram Shops interface
How many transactions happen in Instagram shop per day/month?
What percentage of users have completed at least 1 transaction on Instagram Shops in the last year?
Key Metric to improve: # Users completing a transaction
Goals of the Product / Feature:
Meta’s goal is to build community and connect people together
Instagram’s goal is to connect and"See full answer
"I was owning a very ambitious company-wide project of standardizing and modernizing the UI and UX of the platform. It was in development for a few years and eventually turned out to be a failure for the product. I term this as my biggest failure as a product manager.
So I worked for a company which had a suite of products. Each product had a different UX and UI. This resulted in nonuniformity across the suite and caused usability issues for our suite users. The idea was to have a standard exper"
Zafeer R. - "I was owning a very ambitious company-wide project of standardizing and modernizing the UI and UX of the platform. It was in development for a few years and eventually turned out to be a failure for the product. I term this as my biggest failure as a product manager.
So I worked for a company which had a suite of products. Each product had a different UX and UI. This resulted in nonuniformity across the suite and caused usability issues for our suite users. The idea was to have a standard exper"See full answer