Interview Questions

Joshua R. - "Hadoop is better than PySpark when you are dealing with extremely large scale, batch oriented, non-iterative workloads where in-memory computing isn't feasible/ necessary, like log storage or ETL workflows that don't require high response times. It's also better in situations where the Hadoop ecosystem is already deeply embedded and where there is a need for resource conscious, fault tolerant computation without the overhead of Spark's memory constraints. In these such scenarios, Hadoop's disk-b"See full answer

Jim T. - "In the end I said number of bookings, but explained how I would get there. I talked about the company's mission first (which I didn't know but guessed it was something about making it easier or more accessible for people to travel) and then talked about a few potential metrics that could fit (bookings, NPS, etc). But in the end I explained that number of bookings is not only tied to their core value proposition, but it also reflected a happy customer base on both sides of the transaction (renter"See full answer

Ben G. - "A more senior answer -> influencing stakeholders Defining who stakeholders will be and roles and responsibilities early one Identifying timelines and roadmapping Identifying key business needs and how they related to core product Identifying how the project will be successful (KPIs) Identify business, user and product goals Speaking your stakeholder’s language, build empathy by discovery and understanding their motivations and make them a part of the co-creation process (ie calc"See full answer

Bg - "Questions: Can the toothbrush be a smart toothbrush, different from typical toothbrushes? Ans: Yes Children's age group? Ans: Pick your choice Cost? Ans: Not a concern Country? Ans: Ignore Personas: Parents typically help kids in brushing up to 5 years. Let us assume 5-10year olds as our focus. That is a decent 5%+ of global population. Pain Points: Brushing teeth for kids is a pain. They simply do not like it sometimes. Dental checkup is always a hassle. Some ki"See full answer

A F. - "Clarifying questions: 1M users- are these paying users? Daily active users? Once we know which users, we look at certain areas of initial investigation for patterns: Dashboards: Is this a flaw in the dashboard, or metrics pipelines not running? (Assuming not a problem) Geography: Are these users in a certain geolocation? (Ex: China bans the use of Netflix?) Users segments: Are these certain age group (kids, where parents might have restricted) or first-time users (they watched only one"See full answer

Exponent - "You should be able to easily identify this as a Measure Success question. These kinds of questions are used to test your analytical skills, as well as your ability to track project progress post-launch. Recall the strategy for tackling them methodically and thoroughly: Ask clarifying questions State the goal of the feature / product Behavior Mapping / UX Flow Mapping Provide criteria to prioritize metrics Prioritize metrics Summarize Let's begin! "See full answer

Anjan M. - "Product - Google Glass Undefined Core Segment & Jobs-to-Be-Done - Google pitched Glass to “everyone” but never clarified a must-have use case for any one group. Improper Category Context - It was positioned as a lifestyle product, but could not justify a use case that a mobile device could not already do. Premium Pricing of a Prototype- Explorer Edition cost 1500 usd. This gap alienated hobbyists and discouraged volume sales. Privacy Backlash- The Always-on camera r"See full answer

Vidur K. - "Clarifying Questions First, let me try to clarify what kind of self-driving car are we talking about here. Let' say, we have the following top-level assumptions: Fully autonomous Family Sedan Car US Market This technology is only available with Google In a real face-to-face interview would pause to ask the interviewer to correct assumptions or ask for other features. Consumer Family - uses the autonomous ability of the car to spend time with kids while dropping them off to"See full answer

Ananya M. - "US population = 330M , 80M across 4 generations population that is physically able to travel, can afford travel, travels for business ranges between 20-60 year olds = 160M calculating maximum demand: long weekends in summer are peak travel times, lets assume 60% of population who are able and can afford travel, do so during long weekend = 0.6x160M lets say 60% of this population choses prefers domestic travel while 40% go international (consider Mexico, Canada, London are international"See full answer

Anonymous Finch - "great answer!"See full answer

Jet 1. - "`#include using namespace std; void printNumbersTillN(int n){ if(n_==0){ return; } printNumbersTillN(n-1); // go to the end -> reach 1 cout>_n; printNumbersTillN(n); }`"See full answer

Jack F. - "conduct direct user research through methods such as interviews, surveys, and focus groups to gather qualitative insights into user preferences, pain points, and behaviors. Additionally, I analyze quantitative data from sources like user analytics, feedback metrics, and market research to identify trends and patterns. Collaborating closely with stakeholders, including customers, internal teams, and subject matter experts, further enriches the requirements gathering process by incorporating diver"See full answer