Interview Questions

Yash N. - "import time class Task: def init\(self, description, interval=None): self.description = description self.interval = interval self.next_run = time.time() class SimpleTaskScheduler: def init\(self): self.tasks = [] def add_task(self, description, interval=None): self.tasks.append(Task(description, interval)) def run(self, duration=60): end_time = time.time() + duration while time.time() < end_time: curr"See full answer

Frank A. - "1) create the experimental and control groups. 2) Then calculate the proportion (mean) of the true conversion rates for both groups using the convert column which counts True as 1 and False as 0. This is their conversion rates 3) calculate the statistic of the two groups by subtracting the proportion and standardizing. 4) get the p-value and compare with 0.05. 5) conclude the difference is statistically significant if the p-value is less than 0.05 otherwise no statistical difference"See full answer

Mudit B. - "Clarifying question Why? Does booking.com have data on demand for this new feature? Let's say no Does booking.com have any specific goal with this new feature? Improve revenue or Improve user experience ( provide flexibility in payments or expand user base dealing with crypto, etc.) Let's say targetting new users who want to deal with crypto (I don't know if this is to be approached as a product design question) I would approach the introduction of cryptocurrency as a new payment method i"See full answer

Amparo L. - "My favorite app on my phone is Youtube because that way I could watch iCarly videos for free."See full answer

Amparo L. - "My parents because they take really good care of me whenever I feel sick"See full answer

Abinash S. - "While running the testloop I am getting an error RuntimeError: runningmean should contain 28 elements not 38. I think it's the difference between the categorical features in train and test. `"See full answer

Shubham A. - "I was working in a Silicon Validation group and the roadmap for all validation strategy was defined, But the problem with that was it was as with the roadmap given, the quality would have compromised and hence, I raised a concern regarding the quality of the product. Initially the team members were not convinced, I borrowed a week's time with them and scheduled another meeting and brought up all the data(high level) which we should be covering during the validation timeframe. Also added tentati"See full answer

Darren L. - "JJ Zhou, co-founder at the previous company taught me this: if you want to get people build a boat, tell them how great the sea is. That advice guided me through challenges I face to get my team on board with my vision. When i became the payment PM where I oversaw the user checkout experience, I decided to introduce Agile approach and organized the workflow into Scrums. The challenge was most engineers and data-scientists in my team were from banks so they were comfortable with water-fall. On"See full answer

Glados - "Strategy of 15 minute delivery apps. I will discuss what delivery apps are, what is their current business model, examples of some delivery apps, any market metrics/share, opportunity, how 15-minute delivery apps fit in, challenges/opps, what's next, takeaways. Clarifying questions Are we focused on North America? Any other geo? Delivery apps -> Assumed to be food/grocery/alcohol delivery not packages (Amazon)? Assumed delivery apps for end-consumers not large businesses? Delivery apps o"See full answer

Claudia S. - "s3 blob storage? It's Google not Amazon."See full answer

Woongshik C. - "Our team were developing a HQ trivia for fitness. So at that moment our focus was developing an eye-catching animation for both iOS and Android. By the way, implementing an animation were hard without the progress of it. So we wanted to see an immediate progress. So I decided to use tools or libraries such as Lottie or Kite. Then it increased the quality and the productivity dramatically. So our designer were happy with it and also our dev team could reuse the code from the designed animation fr"See full answer

Amadea N. - "When designing an app for buying and selling antiques, there are the following objectives: For app users to successfully sell their antiques For app users to successfully buy their preferred antiques For the app to generate revenue through the app Given that the only way to sustainably ensure the app's existence is the guarantee the company remains in business, I'll select objective 3 as the main mission with the other two as leading indicators. In order to get to objective 3, th"See full answer

realkimchi - "Objective: Proposal for expanding the service offerings for small restaurants and local cafes. The objective is to enhance the Instacart Business platform by integrating local vendors (Speciality Food & Beverage Business Units) to increase product selection and improve supply chain efficiencies for business customers. Market Focus: The target market includes food service establishments characterized by their need for distinct, locally sourced ingredients and their struggles wi"See full answer

Akash A. - "i am a fresher"See full answer

Googlepm 1. - "Getting things done : I am extremely proud of walking the extra mile to get things done which I am extremely proud of in my career Ladder transfer : Being on the tactical front, to dream about creating a product from its inception to the delivery and being able to achieve it Gaining trust : Leading without authority is critical and gaining trust in the process of the peers and stakeholders is one thing I am extremely proud of."See full answer

Imran R. - "What are some of the Tradeoff stories Amazon prefers? Do they prefer the Feature Prioritization type of tradeoff or technology/platform type of tradeoffs? "See full answer