Interview Questions

Maria T. - "Clarifying questions: Will it be a separate app of Google maps or integrated into an existing one? Let's say it will be integrated into an existing app. Which disabilities users have? Any of your choice. For which audience are we building this product? Any exact geo, age, gender? Any of your choice. How many resources we have? Any timeline for the product to be launched? Need to launch a product in a year and any resources required. Google's mission is to organize the world's"See full answer

Anonymous Unicorn - "naive solution: def countprefixpairs(words): n = len(words) count = 0 for i in range(n): for j in range(i + 1, n): if words[i].startswith(words[j]) or words[j].startswith(words[i]): count += 1 return count using tries for when the list of words is very long: from collections import Counter class TrieNode: def init(self): self.children = {} self.count = 0 # To count the number of words ending at this node"See full answer

Abhi R. - "TCP server/client to facilitate high throughput of incoming metrics.(This is the standard used in the industry by Datadog etc). NoSQL or timeseries database for storing metrics. Timeseries databases are better for aggregating metrics in a given time period. REST API for serving metrics data to visualization frontend."See full answer

Ankit J. - "Clarifying questions: What is the motivation for Airbnb to consider entering furniture space? Assumption: Data suggests the quality & type of furniture has a direct impact on guests’ Airbnb experience. Many hosts are also converting their Airbnb’s into full-time businesses, so there is a revenue opportunity here while improving the experience. Is Airbnb looking to feature furniture listings on Airbnb.com? It’s still TBD. We want to know if it’s a good idea first. Are there any other g"See full answer

Beth S. - "The DNS server of the site URL can identify the source of the traffic via GeoIP and redirect it to the Amazon services closest to that location. The load balancer, installed before the web server, can manage the load and redirect traffic to redundant services."See full answer

Himanshu G. - "To model ROI for a product launch, the first step is to define the timeline you're targeting Example 6 months post-launch, 1 year, or even 5 years. Tip: Start with a 1-year ROI projection to estimate near-term returns, and build a 3-year projection to evaluate growth and scalability. ROI is essentially the net return over that period: Profit=Revenue (within timeline)−Total Cost (from project start) Total Cost includes both fixed and variable costs incurred since t"See full answer

Dan D. - "I love the answer and framework, my summary of the interview: it is a slightly modified version of Porter's 5 Forces: User benefit -> Bargaining Power of Buyers Apple benefit -> Talks about the company mission and culture (esp. on the relatively closed eco-system) It was expanded more in the latter half of the interview (SWOT + a bit of Value Chain) Competitive landscape -> Industry Rivalry + Threat of New Entrants + Threat of Substitutes Partnership Impact -> Bargaining Power of"See full answer

Max V. - "What can be a camera ? point and shoot camera - to capture events Video camera - to record events Surveillance camera - cctv camera to monitor movements Elderly above 65 (male and female) with or without any medical condition Elderly can be tech-savvy but majority would be non-tech savvy. We can also further look to segment this customer base as elderly who are Living with their Children Living in foster care Living alone For the moment , i would restrict the geo"See full answer

Anonymous Cat - "Good practice video; however, at minute 6:40 in this video, the interviewer confirmed the app version causes no issue! While the final answer was the app version!"See full answer

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

Gaurav C. - "Clarifying Questions: Do we have any specific goal in mind for this new product, for example targeting new audience, expansion to new places , catering to new need etc. · I am going to assume targeting new audience Do we have any constraints? · No constraints When you say restaurants does it mean casual restaurants, pubs, food joints 5 star hotels etc. · I am going to assume all kind of restaurants who have already registered there establishments on Swiggy Structure User Segme"See full answer

Piyush D. - "Honestly, In addition to having the right expertise and skills required for this job, I am really looking forward to being part of this organisation’s journey. I am really confident that I will really exceed your expectations in achieving both mine and the company’s goals. I have worked with different teams in different capacities, managed a team of engineers successfully from very early part of my career and that has made me a very easy person to work with. I get things done easily. I am passio"See full answer

Himani S. - "select (case when scity < dcity then scity else dcity end) as city1, (case when scity < dcity then dcity else scity end) as city2, avg(distance) distance from city group by 1,2"See full answer

Darpan D. - "Clarifying and assumption When we say financial security, are we talking about authentication, fraud detection or money laundering? Assumption: Fraud detection. Focusing specifically on transaction-level fraud. Is this an internal AI implementation or an external third-party service we provide to multiple financial businesses? Assumption: External Third-party AI financial security product. Requirements Need to detect when fraudulent transactions happen. **Detection stra"See full answer

Anonymous Mollusk - "My weakness was stage fright and talking in front of a large audience. This TPM role does offer me an opportunity to do both but not at the scale at which impacts my day to day role. Also over many years I have taken remedial action e.g. joined a Toast Masters club to overcome my weakness."See full answer

Anzhe M. - "It's a 2Sum question with duplicate array elements."See full answer

Raymond W. - "Clarifications/assumptions - we're only interested in opening and closing hours, not serving times e.g. breakfast or lunch time format etc will be local only interested in regular hours not special holiday hours Potential users/data providers (ranked by order of authority) Businesses/Advertisers Consumers Google Goal Coverage Prioritising the most popular restaurants, or those who are willing to invest in advertising Accurate, but conservative - better be wrong to"See full answer