Amazon Interview Questions

Chitapuram N. - "Since there is a need for the data to be accurate and consistent without any latency to allocate a spot, can't the data be synchronously synced to replicas after every write as the number of writes are not many per min, instead of read lock phenomena Let me know if i am on a wrong thought here."See full answer

Vihari K. - "Situation: While working at CVS Health, our inventory management system for OTCHS products was facing challenges. We had increasing stock outs, and our existing data was insufficient to fully understand and address the issue since it has been only a year this product line was initiated. Action: Although we do have a forecasting model to predict demand and other algorithms to trigger out of stock flags to warehouses to fill them, lack of data points on seasonality, supplier delays, compliance"See full answer

Astro S. - "What are they looking for in the answer? "See full answer

Syed I. - "I use a data driven approach by ensuring there is a deep-dive on all alternatives. My approach to tradeoffs is around how to achieve the customer experience needed. I ensure there is an immediate path to green for a solution and a follow-up solution addressing the problem rightly."See full answer

Vihari K. - "At RTI while working on content-based recommender system on our ecommerce site, we received request from one of our distributor clients to make the system not only suggest products based on their purchasing history but also exclusively push higher priced items, regardless of their actual needs or demand patterns, it was challenging situation because it contradicted the primary purpose of our system, which was value based, patient centric product recommendations. To understand in this situation i"See full answer

Saisandeep M. - "Explained the charts with using Scatter Plot with Size and Color Encoding X-axis: Ride duration (in minutes). Y-axis: Total fare (in dollars). Point size: Encodes the star rating (e.g., larger points for higher ratings). Point color: Indicates whether the rating is favorable (green) or unfavorable (red). Heatmap for Correlation Analysis Why: Heatmaps are ideal for quickly identifying patterns and correlations between variables. How: Create a heatmap matrix where rows represent ride durat"See full answer

Umang S. - "Context - I joined a large public-facing service as a PM midway through its development. Situation - Due to the SOPs of the company the team already had a metrics framework. That included your standard DAUs, Retention and Acquisition Metrics Concern - As SOP metrics were publicly accepted, the team did not internalise what success actually means to the product they are developing, as the actual value was not being encapsulated in the framework This was evident in the show and tells as the"See full answer

Hans - "Described a scenario where I joined an established project as an EM Typical medium sized team - 6 devs, 2 testers, PO, PM (part time) Scrum master (very hands off) The product was well established and already being used by circa 30000 single country based users for the companies own products (personal banking capabilities) We were due to go live with a BIG change about 2 months after I joined - this change meant a user could manage multiple personal banking accounts from the 1 interface. We w"See full answer

Daniel P. - "Okay, so I understand the question: "how does Google Maps compute estimated time of arrival"... There are a couple scenarios when ETA is calculated: planning a future journey, planning current journey. Can we assume scope to the current journey? The learnings will likely be transferable. User inputs to ETA include origin, destination, and route chosen. Let's assume first that the user has chosen an origin, destination, and a route chosen. We can come back to these assumptions later. The way I'"See full answer

Surbhi A. - "Authentication verifies "Who you are." Authorization determines "What you can do." Authentication establishes identity, while authorization specifies the actions or resources a user or entity is allowed to access or perform."See full answer

Rajesh V. - "As a PM i received a feedback from my program manager on my style of verbal communication. It is about me speaking faster when i wanted to get away with a topic that i wasn't confident (may be not backed up with data, or still in process of getting detailed insight of a problem etc.). Whereas when I'm confident I tend to speak slowly or more assertively that made people to follow easily. I welcomed that feedback so from then on when I'm not confident in a topic I became more assertive to let pe"See full answer

Anonymous Tortoise - "Questions? -Geography - US/ International Model? SEXY? Model 3 Most used. Timeline - 3 Quarters? Increase engagement? - Existing people Tesla - Electric company that builds EV cars. Mission- To accelerate the world's transition to sustainable energy? Mission Why - To increase the engagement - active users Recent Trends - Apps are rising on Apple Watch Ease of Use? Portability? Customer Segments New people who bought Tesla Existing People Models - Model 3 Fleet Owners ["See full answer

Mohammed H. - "First i will collect relevant data,Actual problem,Necessary input and raw material then i will start design drawing,modeling,Callibration and finally handing over my work."See full answer

Ashish G. - "Rate Limiter is to limit the number of request from a particular IP Address. Rate limiter will block the IP address to reduce the load on server. It should be highly available and handle concurrent requests. Blocked IP addresses should be kept in a pool which is present in shared cache. We need to keep threshold value after it reaches threshold value it should start blocking IP address. All these ip address to be kept in No SQL DB. Batch will run that will clear the cache and delete all the bloc"See full answer

Ben G. - "Situation - A time I dealt with conflict while on a team was while I was working at Shopify on physical and digital gift card refund point of sale solutions. The situation was that we were dealing with complex technical constraints including not changing particular UI components behavior to act as they should be intended. On the refund screen, the existing design was using a toggle on the same screen to bring up a modal for gift card selection to either select digital or physical options. Thi"See full answer

Kiley S. - "Great question. As a Product Manager, it is common to have to have difficult conversations with clients, stakeholders, or co-workers. This question actually reminds me of a time that I was faced with having to tell a client that the original estimate we gave them was much lower than it should have been and would, therefore, take much longer and cost a lot more as well. In this scenario, we had to work within a client's legacy codebase and didn't realize the limitations, roadblocks, and barrie"See full answer

Umang S. - "Situation- I was leading a product through a complete overhaul to a new replacement product, and at the same time had to maintain the old product. Concern - In the old product, the team was usually stuck 40-50% of the time in bug fixing This could have hampered the velocity and GTM of the new product Action Localised the problem to one major component - Export and Import Function- had 90% contribution to the issues Worked with the engineering team to diagnose the issue, the issue was i"See full answer

Singer29 - "Let me tell you about a time when my manager was on a two week PTO and I was building the post-MVP roadmap for a newly launched product. Being a SaaS platform for supporting restaurants, I'd led the conception, planning, development and launch of the MVP for an online ordering solution for diners in restaurants. After the launch of the MVP, our original plan was to build features which supported table-service restaurants like keeping an open tab. But while looking at the data, I realized that a"See full answer