Interview Questions

Samarth S. - "Before we jump into discussion , few Qs which come to my mind in order to narrow the scope are: What kind of security system we are thinking . What do we want to achieve? Is there any biz goal in mind. What security related pain points are we trying to solve. What is the kind of hotel - is it a vacation rental , standalone hotel, highway motel, big chain resorts? What are the current systems being used. I think most of hotels have closed circuit cameras , fire alarms installed in"See full answer

Tiago R. - "function permute(nums) { if (nums.length <= 1) { return [nums]; } const prevPermutations = permute(nums.slice(0, nums.length-1)); const currentNum = nums[nums.length-1]; const permutations = new Set(); for (let prev of prevPermutations) { for (let i=0; i < prev.length; i++) { permutations.add([...prev.slice(0, i), currentNum, ...prev.slice(i)]); } permutations.add([...prev, currentNum]); } return [...permutations]"See full answer

K N. - "Assumptions Contact lens camera is launched only in the US Ages most likely to benefit 20-60 Doesn't work with prescription i.e. people who have prescription glasses/contact lens are not the target market Can't be worn all the time max of 10 hours. Capturing video via contact lens means people have to stare at things uninterrupted. Assuming, no that video stops the moment people close their eyelids video length will be limited to maximum staring"See full answer

Saurabh K. - "Ask a follow up question : What is the primary goal of expanding into a new vertical ? Food vertical company may want to expand to a new vertical (say Grocery) for the following reasons : Attract new customers interested in grocery delivery instead of food delivery Increase usage/order frequency from existing customers Increase revenue and LTV of existing as well as potentially new customers Benefit from synergies between existing delivery engine by improving utilization of their network"See full answer

Anuradha T. - "Clarifying questions: What kind of users are we talking about? Internal or external ? (Assumption: External) When was this issue discovered? (Not so long ago) Is this specific to a particular geographical location ? (Answer: No) External: Geography, time ? Internal: Pain points: Technical - latency, lag Engagement - Less engagement available on website , users are bored while waiting for their search results to appear Review - Explore platform options for users to review their experie"See full answer

Amin S. - "We can implement Mall psychology, use the monkey effect, FOMO, top-rated stuff from the same restaurants, bundle offers like couple or group offers, and prompt popups for free delivery if you complete X$ amount by adding X item. We can lure customers by giving free subscriptions to Spotify, Netflix, etc. by collaborating with these giants. This is a long-story-short overview of how we can increase the average basket size. Tracking telemetry and refining can make a difference obviously..."See full answer

Sanjanaa S. - "Clarification questions: 1) Is this a physical or digital product? 2) Are we enhancing an existing product or designing a brand new product? 3) Is this a product in the physical world or in the Metaverse? (I know Meta has recently expanded in virtual fashion space with partnerships with designer brands) 4) Competition with other fashion products [Depop, Nuuly, Rent the Runway, Pickle, Poshmark, Instagram Shopping) 5) Are there any time constraints on when MVP should be launched? 6) What market"See full answer

Anzhe M. - "Not my answer, but rather the details of this question. It should include the following functions: int insertNewCustomer(double revenue) -> returns a customer ID (assume auto-incremented & 0-based) int insertNewCustomer(double revenue, int referrerID) -> returns a customer ID (assume auto-incremented & 0-based) Set getLowestKCustomersByMinTotalRevenue(int k, double minTotalRevenue) -> returns customer IDs Note: The total revenue consists of the revenue that this customer bring"See full answer

Abhishek V. - "Currently, there's no option to write Python code for the solution to this problem. Is it possible to add it?"See full answer

Catherine I. - "In keeping with the STAR method, I discussed a mandated change in our vendors where we were swapping one contracting company for another with little time for transition. My actions included leveraging skills of my employees to develop a transition plan so that the transition was minimally disruptive to our projects."See full answer

Exponent - "One technique we like to use when explaining technical concepts to non-technical people is to use analogies to help with memory retention. For this type of question, we'll use the Restaurant example: > Imagine you're at a restaurant with a variety of waiters - each waiter will only take your order for one specific item (i.e. one waiter for pizza, one waiter for pasta, etc.). An API is like a waiter in this example as it will only perform a specific order. An SDK on the other hand is like having"See full answer

Ganga meghanath E. - "I would consider building a device that could store up energy from cycling and can be later used for charging phones. Such a product can be used by people who use a cycle as a means of short transportation as well as those who go on long journeys. This would also serve as a very useful product since they won't need to carry a power bank with them nor would they need to worry about recharging a portable device before setting out. It would be even better if the device is very compact with limited"See full answer