Interview Questions

Alex M. - "A red-black tree is a self-balancing binary search tree. The motivation for this is that the benefits of O(logN) search, insertion, and deletion that a binary tree provides us will disappear if we let the tree get too "imbalanced" (e.g. there are too many nodes on one side of the tree or some branches have a depth that is way out of proportion to the average branch depth). This imbalance will occur if we don't adjust the tree after inserting or deleting nodes, hence our need for self-balancing c"See full answer

Anonymous Parrotfish - "when and where?"See full answer

Darpan D. - "Clarifying When we say cloud gaming, we refer to a video gaming experience using cloud computing, right? Assumption: Yes. Understanding of cloud computing first. I'll use some analogies: Imagine you are looking to do heavy computing but don't have a powerful CPU and GPU. CPU and GPU are like your big calculators. You can buy a powerful CPU and GPU, but problems: It costs a lot to buy. It costs a lot to run. You don't need it 24-7. You are not a un"See full answer

Anhul C. - "I would take the following approach: Define what acquisition of a merchant means - It could be a few of these actions - 1. Merchant provides their email/phone number to shopify, 2. They create a store 3. they sign up for a subscription Second we need to establish the method we are using to acquire new merchants Assumption - it is paid advertising on IG and FB given that's one of the ways of acquiring audience on these platforms and is easy to track. Other approach could be social"See full answer

Arshad P. - "Schema is wrong - id from product is mapped to id from transactions, id from product should point to product_id in transcations table"See full answer

Exponent - "This is one of the core behavioral questions that you should expect to cover in any interview. In particular, it asks you to justify why you want to work at a specific company that you've applied for. There's no right answer for this, however we do recommend you list at least three distinct reasons. Here's an example of what you might say: > Great question! There's so many reasons, but I'll keep it to my top three.I love how intricate and delicate the payments space is and I want to work in this"See full answer

Exponent - "You should be able to identify this as a Strategy Question, which asks you to justify high-level business decisions and strategy. Here are some ideas for risks to Airbnb: Regulation > I believe the biggest risk to Airbnb is regulation, both from local and foreign governments. Already, Airbnb is subject to onerous laws in foreign countries. For example, homes in London can only be booked for a total of 90 days in London, and in Japan hosts must apply and register their listing with the gov"See full answer

Abdurhman M. - "Solving current problems by considering what would have happened if the past had been slightly different."See full answer

Prakash K. - "3.3 years , java and Angular Full stack developer "See full answer

Vinit K. - "I have often experienced my manager believing in something while I don't. The situation largely arises when the manager is under pressure of taking decision and has not spent enough time on researching about the decision. While I on the other hand have always spent time learning about issues right since we feel this is going to be a challenge in the near future. In such scenarios, I would believe something else base on my research while the manager would have some other belief based on his exper"See full answer

Hmm T. - "Understand what is the business objective behind the ask ? We should not be adopting trends just because everyone is adopting, it has to be tied to business objective Once objective is clear - we need to determine feasibility and cost\benefit assessment by deciding on pilot candidates - since its bank, do we want to integrate this with mobile banking only ? Once we decide on candidate - we will also need to decide on buy vs build decision ? If there are any fintech offerings (like Zell"See full answer

Anonymous Dove - "Improving the parking experience as a Google Maps PM is a challenging and interesting task that requires understanding the user needs, pain points, and goals. Here are some of my ideas for how to improve the parking experience on Google Maps: Provide real-time parking availability and prices: One of the main challenges for drivers is finding a parking spot that is available, convenient, and affordable. Google Maps could use data from various sources, such as sensors, cameras, or crowdsourc"See full answer

Namrata L. - "Clarifying questions What do you mean by app for gardening? E-commerce kind of app for buying selling or tutorial or something else? Up to me. What is the goal of this app? Getting users and increasing engagement Who are we? startup What is the time frame we are looking at for this? No constraints Where are we looking to implement this? Start with India. User segments Type: Commercial, Personal Plant Parent: New, medium, Old Profession: Student, Working Professional, Stay"See full answer

Oluwasesan O. - "UX is the foundation of any successful product. It ensures a smooth and intuitive user experience, which is essential for user adoption and engagement. While UI adds the visual polish, it's built upon that strong UX foundation. In my design process, I prioritize crafting a user-centered experience with clear information architecture and interaction flows. Then, I layer on a visually appealing UI that complements and enhances the UX."See full answer