"Problem Understanding
Is it within FB applications? > Yes
FB Date has one on one matching. Can I consider extending existing capability?
After matching, are we considering interactions within FB as well?
FB mission is to give people power to connect build community and bring the world closer. Building connection through content engagement is the core of the FB product. With increased demand on learning online and velocity of acquiring new skills required to find a job or sustain in"
Soodong P. - "Problem Understanding
Is it within FB applications? > Yes
FB Date has one on one matching. Can I consider extending existing capability?
After matching, are we considering interactions within FB as well?
FB mission is to give people power to connect build community and bring the world closer. Building connection through content engagement is the core of the FB product. With increased demand on learning online and velocity of acquiring new skills required to find a job or sustain in"See full answer
"Understand gaps team by interviewing on 1:1, reading past performance reviews and talking to old managers/cross functional
Identify Goals and use the SMART framework to set those goals (Specific, Measurable, Attainable, relevant, time related)
Share with team and make sure they understand them. Clarify questions if needed.
Explain WHY these goals matter. Tie to company goals/mission/culture.
Put together an action plan TOGETHER- give often feedback: "pinches no punches"
Chantal C. - "Understand gaps team by interviewing on 1:1, reading past performance reviews and talking to old managers/cross functional
Identify Goals and use the SMART framework to set those goals (Specific, Measurable, Attainable, relevant, time related)
Share with team and make sure they understand them. Clarify questions if needed.
Explain WHY these goals matter. Tie to company goals/mission/culture.
Put together an action plan TOGETHER- give often feedback: "pinches no punches"See full answer
"Clarification
What category of Marketplace are we setting a goal for as there are several sub-marketplaces? —> We are looking at overall Marketplace
Are we focused globally or in the US? —> Lets limit to the US
To set the Goal for FB marketplace I will start by describing the product, go over goals for the users (buyers / sellers) and the business (FB), review user actions, list metrics and then summarize our goal for marketplace and choose a few keys metrics to track our progress towa"
stash - "Clarification
What category of Marketplace are we setting a goal for as there are several sub-marketplaces? —> We are looking at overall Marketplace
Are we focused globally or in the US? —> Lets limit to the US
To set the Goal for FB marketplace I will start by describing the product, go over goals for the users (buyers / sellers) and the business (FB), review user actions, list metrics and then summarize our goal for marketplace and choose a few keys metrics to track our progress towa"See full answer
"Functional Requirement
Upload the file of any type
POST v1/drive
Upload the another version of file.
POST v1/drive/{fileId}
Delete the file.
DELETE v1/drive/{fileId}
Share the file.
POST v1/drive/{fileId}
Control the access level of the file.
Provide the file accessibility following the directory structure.
Non Functional Requirement
Reliability: The file along with its versions uploaded should be"
Vikash A. - "Functional Requirement
Upload the file of any type
POST v1/drive
Upload the another version of file.
POST v1/drive/{fileId}
Delete the file.
DELETE v1/drive/{fileId}
Share the file.
POST v1/drive/{fileId}
Control the access level of the file.
Provide the file accessibility following the directory structure.
Non Functional Requirement
Reliability: The file along with its versions uploaded should be"See full answer
"Product and Mission
To allow users to create events and host on FB pages. It can be one time or recurring. It can include FB users through feeds or referrals or can be shared out with a link. Product objective is to build strong online and offline bonding through connecting people with common interests and ensure continued engagements. Aligns with the core Meta mission.
User Journey and Value + Metrics
Organizers: Finds the value when the many participants share interest or"
Soodong P. - "Product and Mission
To allow users to create events and host on FB pages. It can be one time or recurring. It can include FB users through feeds or referrals or can be shared out with a link. Product objective is to build strong online and offline bonding through connecting people with common interests and ensure continued engagements. Aligns with the core Meta mission.
User Journey and Value + Metrics
Organizers: Finds the value when the many participants share interest or"See full answer
Product Manager
Analytical
+1 more
🧠 Want an expert answer to a question? Saving questions lets us know what content to make next.
"Excellent job Roshan, really liked the explanation. Which software were you using to explain the system design diagrams?"
Krishnan S. - "Excellent job Roshan, really liked the explanation. Which software were you using to explain the system design diagrams?"See full answer
"I tried solving this question and here is the recorded video for the entire solution - https://youtu.be/G_LIbTp58XA
Feel free to comment here or on the video for further discussion."
Rjj - "I tried solving this question and here is the recorded video for the entire solution - https://youtu.be/G_LIbTp58XA
Feel free to comment here or on the video for further discussion."See full answer
"Designing a video streaming system like Netflix or Facebook Video involves addressing multiple aspects, such as scalability, availability, low latency, and high performance. Here's a high-level design:
System Requirements
Functional Requirements:
User Management:
User sign-up, login, and profile management.
Subscription plans and payment integration (for Netflix-like systems).
Content Management:
Upload, edit, and delete videos.
Categorize content (genres, recommendations).
Video Playback:
S"
Kamal .. - "Designing a video streaming system like Netflix or Facebook Video involves addressing multiple aspects, such as scalability, availability, low latency, and high performance. Here's a high-level design:
System Requirements
Functional Requirements:
User Management:
User sign-up, login, and profile management.
Subscription plans and payment integration (for Netflix-like systems).
Content Management:
Upload, edit, and delete videos.
Categorize content (genres, recommendations).
Video Playback:
S"See full answer
"To define the success metrics for Facebook Ads, I’ll outline:
Who the users are
What their goals and needs are
How success is measured across their journey
Who are the users:
Advertisers: Individuals or businesses running ad campaigns to achieve business objectives.
Potential Buyers: Users exposed to ads who may engage, click, or make purchases.
User journey and Success metrics:
Advertisers:
Acquisition:Onboarding Completion Rate: % of advertisers completing"
Idit G. - "To define the success metrics for Facebook Ads, I’ll outline:
Who the users are
What their goals and needs are
How success is measured across their journey
Who are the users:
Advertisers: Individuals or businesses running ad campaigns to achieve business objectives.
Potential Buyers: Users exposed to ads who may engage, click, or make purchases.
User journey and Success metrics:
Advertisers:
Acquisition:Onboarding Completion Rate: % of advertisers completing"See full answer
"In the API design, the interviewer is switching between RPC style (operation based endpoints) and REST style (resource oriented). Sticking to one convention and explaining why it is preferred over the other e.g. REST if the twitter domain maps nicely to resources e.g. /tweet or /follower or /user would help to create a more consistent and unified API. It would make it easier for clients to integrate with the API as well."
dreamingincode - "In the API design, the interviewer is switching between RPC style (operation based endpoints) and REST style (resource oriented). Sticking to one convention and explaining why it is preferred over the other e.g. REST if the twitter domain maps nicely to resources e.g. /tweet or /follower or /user would help to create a more consistent and unified API. It would make it easier for clients to integrate with the API as well."See full answer
"Clarifications:
Where are we launching? -- US first
1:1 or n:n video conferencing? -- you assume
Consumers or Business? -- consumers
Part of FB or standalone product? -- part of messenger app
Is it MVP launch or a full feature product? -- MVP
What capabilities exist in the video conference product? -- you assume what capabilities will be
> Trends and Markets
Competitors:
Consumer
Zoom
Google Meet
Business:
Slack
MS Teams
Trends:
More and more people are usi"
Aniket A. - "Clarifications:
Where are we launching? -- US first
1:1 or n:n video conferencing? -- you assume
Consumers or Business? -- consumers
Part of FB or standalone product? -- part of messenger app
Is it MVP launch or a full feature product? -- MVP
What capabilities exist in the video conference product? -- you assume what capabilities will be
> Trends and Markets
Competitors:
Consumer
Zoom
Google Meet
Business:
Slack
MS Teams
Trends:
More and more people are usi"See full answer
"FN
Given text need to figure out is it following guidelines.
Should notify the user in case of not following guidelines.
Reason for failure
should have misleading/spam/adult filters.
NFN
High availability
High Scalability
Low latency of processing
Estimations
1M requests/min
text - 10kb => 9.5GB/min => 14TB/day
API
fetchmoderationscore(text)
score will be between 0 to 1
more than 0.8 => not following guidelines
fetchmoderationscore(text, filter)"
Deepak K. - "FN
Given text need to figure out is it following guidelines.
Should notify the user in case of not following guidelines.
Reason for failure
should have misleading/spam/adult filters.
NFN
High availability
High Scalability
Low latency of processing
Estimations
1M requests/min
text - 10kb => 9.5GB/min => 14TB/day
API
fetchmoderationscore(text)
score will be between 0 to 1
more than 0.8 => not following guidelines
fetchmoderationscore(text, filter)"See full answer
"My leadership style is flexible and adaptive, it varies depending on the team members and the needs of the company. My leadership goal is to empower the team and inspire and grow leaders. In order to achieve that, I combine transformational, democratic and coaching leadership styles.
Usually when we are facing a new type of challenge, or at the early stage of a project, I like to adapt the transformational leadership which allows me to listen to all the suggestions from the team members and sta"
onering2ruleall - "My leadership style is flexible and adaptive, it varies depending on the team members and the needs of the company. My leadership goal is to empower the team and inspire and grow leaders. In order to achieve that, I combine transformational, democratic and coaching leadership styles.
Usually when we are facing a new type of challenge, or at the early stage of a project, I like to adapt the transformational leadership which allows me to listen to all the suggestions from the team members and sta"See full answer
"Clarify:
Are we talking about traditional noise-cancelling which cancels noise for listeners or we are talking about the speaker side noise-cancellation? - Interviewer replied: Both
Are we exploring to build something on top of existing hardware around Meta VR products or something in general? - Interviewer replied: up to you.
High level though process (Could be detailed with more structure):
Considering Meta's vision on building metaverse, where meta currently has AR/VR products li"
Anonymous Shark - "Clarify:
Are we talking about traditional noise-cancelling which cancels noise for listeners or we are talking about the speaker side noise-cancellation? - Interviewer replied: Both
Are we exploring to build something on top of existing hardware around Meta VR products or something in general? - Interviewer replied: up to you.
High level though process (Could be detailed with more structure):
Considering Meta's vision on building metaverse, where meta currently has AR/VR products li"See full answer
"Clarifying Questions
What is meant by art-related product? Is it a product where art can be shared by creators and viewed by viewers? Yes
What is art? It can be painting, song, video creators etc.
Meta
Mission: To form a worldwide community
Goals:
Brings creators and viewers worldwide
To strengthen the Meta community
Strengths
Social network
Users
Creators (L, L, L)
Viewers (L, L, L)
User Journey
1."
Shiv C. - "Clarifying Questions
What is meant by art-related product? Is it a product where art can be shared by creators and viewed by viewers? Yes
What is art? It can be painting, song, video creators etc.
Meta
Mission: To form a worldwide community
Goals:
Brings creators and viewers worldwide
To strengthen the Meta community
Strengths
Social network
Users
Creators (L, L, L)
Viewers (L, L, L)
User Journey
1."See full answer
"Clarify → Mission / Landscape / Why → Users → Pain Points → Solutions → Evaluate
Clarifying Questions / Assumptions:
What kind of art are we focused on (Photography, digital art, physical art, sculpture, etc)? Assume we’re focused on physical paintings or sketches
Is the goal of the product to allow users to view and interact with others art or create their own art? Enjoying art can come through both experiencing it and creating it so I want to clarify. **Let’s focus on experiencing a"
Nikitha G. - "Clarify → Mission / Landscape / Why → Users → Pain Points → Solutions → Evaluate
Clarifying Questions / Assumptions:
What kind of art are we focused on (Photography, digital art, physical art, sculpture, etc)? Assume we’re focused on physical paintings or sketches
Is the goal of the product to allow users to view and interact with others art or create their own art? Enjoying art can come through both experiencing it and creating it so I want to clarify. **Let’s focus on experiencing a"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
"Clarify: I'm assuming that a workplace chat app is similar to something like Slack or Teams, which is a web app/mobile platform for employees to securely message each other directly or in a grouping (i.e. a channel). I'm also assuming that this workplace app is for a generic company, and not Microsoft or Salesforce.
Goals: Workplace apps serve a vital connective tissue within enterprises to allow employees to freely message one another and collaborate on projects. These services a"
William D. - "Clarify: I'm assuming that a workplace chat app is similar to something like Slack or Teams, which is a web app/mobile platform for employees to securely message each other directly or in a grouping (i.e. a channel). I'm also assuming that this workplace app is for a generic company, and not Microsoft or Salesforce.
Goals: Workplace apps serve a vital connective tissue within enterprises to allow employees to freely message one another and collaborate on projects. These services a"See full answer
"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
"
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