Amazon Interview Questions

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

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

Pramod V. - "Referring to https://www.forbes.com/sites/forbesbusinesscouncil/2022/03/23/15-strategies-for-balancing-competing-stakeholder-priorities/?sh=7c82aa68262f Understand the conflicting priorities and align it with the goal/ objectives and the company mission. Start with the Least Common Denominator between the conflicting priorities to come to a commonality and start from there to objectively approach the next imp priority Always keep communication on and be transparent with 'equality' an"See full answer

Maykon henrique D. - "function longestCommonPrefix(arr1, arr2) { const prefixSet = new Set(); for (let num of arr1) { let str = num.toString(); for (let i = 1; i <= str.length; i++) { prefixSet.add(str.substring(0, i)); } } let longestPrefix = ""; for (let num of arr2) { let str = num.toString(); for (let i = 1; i <= str.length; i++) { let prefix = str.substring(0, i); if (prefixSet.has(prefix)) { "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

Mohammad shahid S. - "We were working on a very high stake migration project where were suppose to migrate all the traffic (more than 40 million users per day) from legacy to modern micro-services based architecture. Before making this massive migration decision, company has already developed a lot of services outside monolith and we were suppose to utilise those services. Some these services there were PADs responsible to communicate the specific vendor APIs. For each vendor we had a dedicated PAD. Fast forward"See full answer

B. T. - "The interviewer was interested how the system design would be for files, directories, symbolic links. After proposing my idea, I was asked to print all files for a given path."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

Bk - "To bring any product to market here are the below steps that I would (did) take: 1.Understand the problem stmt / stakeholder need and asses depth of the problem (qualitatively and then gather metrics to quantify it) 2.Do market study on understanding relatable solutions if any 3.Carve out viable solution/ideation that aligns with overall Business Vision/Goal 4.Get stakeholders buy in on the idea 5.Guesstimate and prioritize high level features, Cost and ROI. 6.Build Business case for Project Le"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

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

Jonathan S. - "To clarify the question, we need to know What portion of “food” are we discussing? All groceries, cold ready-to-heat meals, meal kits, hot meals, or something else? Finding “something else” presents the opportunity to invent a new sector of the business that leverages Amazon’s unique strengths. That’s more likely to be a winner idea, from Amazon’s perspective and the interviewer’s opinion of you, than copying some other company’s existing approach. But it’s also possible the interviewer has a"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

Hayatu H. - "Best practices for prioritizing customer service requests Prioritizing support requests is a key part of creating a customer journey optimized for maximum revenue. If you want to start using a ticket prioritization process that will boost both customer satisfaction and your bottom line, we've got nine proven best practices below: Respond to your most loyal customers first Tag repeat customers as high-priority tickets Automate simple requests wherever possible Mark tickets with urg"See full answer

Scott S. - "Great question! Last year, we were working on a critical project to develop a real-time risk analytics platform. This platform was designed to provide our traders with instantaneous risk metrics, allowing them to make informed decisions in a fast-paced trading environment. Midway through the project, we faced a significant issue: our chosen data processing framework was not performing as expected under the high data throughput required by our trading algorithms. This was causing unacceptable lat"See full answer

Veronica S. - "How about this one... Situation: In my previous Organization, I was PM of Financial services- Business Loans. I was building the user journey and end to end process. We were in middle of development and I got one more product to work on - BNPL (Buy Now Pay Later). Tasks: I was asked to provide the roadmap , rough wireframes, guess estimates (No of engineers required) and by when we can ship the MVP. Need not to mention but as startups always have resource constrains and tight deadli"See full answer

Srikhar S. - "t"See full answer

Bajrangi C. - "As a Technical Program Manager at Amazon, I typically coordinate cross-functional teams to drive technical project execution, ensuring timelines and deliverables align with business goals. My day involves managing stakeholders, resolving blockers, and continuously optimizing processes for scale."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

Kanwarpreet S. - "Credibility is very important for success of any team. And it is something that takes time to build, but if i am inheriting a team that i did not build, i would spend dedicated time to understand team structure, dynamics and skill levels for every team member. Domain knowledge and experience are other important factors i would learn about each team member. In regular meetings i would introduce the culture of openness and respect where team members feel free to bring in ideas and constructive fee"See full answer