Interview Questions

Lucas G. - "To speed up A/B tests results with limited sample sizes, we can apply advanced techniques like CUPED to reduce variance for faster statistical significance, interleaving to gather more comparative data per user (e.g., ranking), MAB to dynamically allocate traffic to winning variations for quicker optimization (e.g., campaigns), and Bayesian A/B testing which offers probabilistic conclusions that can be reached earlier. Each method, when appropriately applied, allows you to gain m"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

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

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

Varun S. - "Question: You'e a PM at Meta. Design a product for users to find a handyman. Clarifying questions: Why does Meta want to build this? A: Up to you to decide that, hoping to here you say why. When: No fixed duration for release. Market: I'd like to focus on a developed market, where technology reach is wider and people are more at ease with using online platforms for tasks. Maybe focus on the US market to start with. Standalone app - We will need to distinguish ourselves and create an identity"See full answer

Anjali M. - "Colleague moved to a different role, so I decided to fill in and did outshine in showing results within the group."See full answer

Anonymous Finch - "great answer!"See full answer

Shashi R. - "How do you define Retention? Let’s assume a user comes back tomorrow and scroll for a 10s or so Do we mean to improve the daily retention or weekly/monthly retention? Take a call I think we should look at the weekly retention as checking LinkedIn daily could be a cumbersome task for some and daily retention data may have frequent fluctuations due to several reasons such as professionals are too busy to check LinkedIn on a daily basis Has retention dropped recently, or do we just need to"See full answer

Aekagra S. - "I'll approach this by asking questions and creating scenarios based on answers. If the answer to any questions points to a specific issue, I'll double down on that to understand the issue. This is more of a RCA question. First I'll quickly check Were there any recent updates released before we observed the drops? Assuming Yes, I'll check the updates released and check the test cases and testing results If the issue is identified, I will engage with the product leadership, update them and conne"See full answer

Aikya S. - "from typing import List def spiral_copy(inputMatrix: List[List[int]]) -> List[int]: r_max = len(inputMatrix) - 1 r_min = 0 c_max = len(inputMatrix[0]) - 1 c_min = 0 ans = [] isrmin = True isrmax = False iscmin = False iscmax = False while rmin = cmin: if isrmin: c = c_min while c <= c_max: ans.append(inputMatrixr_min) c += 1 "See full answer

Scott S. - "One of the most challenging moments I experienced as a Engineering Manager was with an employee who was a very talented engineer but struggled with communication and collaboration within the team. This situation not only affected his performance but also created tension among team members. To sort of elaborate on it, I had an engineer on my team, Ravi, who was extremely skilled technically and consistently delivered high-quality code. However, Ravi often worked in isolation, was reluctant to sh"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

Varun J. - "Feel free to download the full assignment (with screens) here: https://www.varunja.in/blog/assignment, cheers! Expected Outcome: Users: What do you know about the users of WhatsApp? What do they want? Features: What features will you build? Prioritization: What will be in your MVP and what will be in your 2.0 version? After you have decided on the MVP: Engineering: How hard is this to build? How long might it take? Are there ways to build a solution more"See full answer

Anonymous Finch - "clarifying questions: what is the business goal- we can consider monetization and user adoption. I will choose monetization any resource constraint to be aware of? which geographic location are we looking to pilot this product? we should consider the USA for now framework user segmentation pain points potential solutions success metrics implementation summary users celebrants well-wishers brands in prioritizing user segments, I will consider the user segment that"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

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

Sandeep B. - "This is my first attempt. Requesting feedback - Design a bookshelf for the users. I would like to create a framework to solve this problem and follow it. It will have the below sections - Goals User Persona Use Cases Pain Points Features Prioritization Metrics Few clarifying questions - What is the objective of doing this? (User engagement, matching a product that a competition has just launched) What type of industry we are in? (Are we a furniture design company, ar"See full answer

Sayee M. - "talked about a time when customer is trying to go to cloud for first time and championing the effort.. it is strategic and also a risk because outside of the OEM, no one we know had implemented this product architecture on the cloud.. used first [principles, did a crawl, walk jog approach and implemented it. Risk because of lack of reference architecture, clodu tech was new to me . career making/breaking project for customer. result : project was successful. presented story in a conference."See full answer