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Amazon Interview Questions

Review this list of 421 Amazon interview questions and answers verified by hiring managers and candidates.
  • Amazon logoAsked at Amazon 
    13 answers
    Video answer for 'Tell me about a time when you improved a complex process.'
    +10

    "This is the answer I have prepared. Please let me know your comments and how I can improve the answer. I have worked on many process improvement initiatives and projects. I want to share an initiative that I led and delivered while at my previous employer. It had a great impact on over 60 programs and projects across teams in six different countries. Analysts and program managers used to generate a monthly program performance report that deals with all aspects, including schedule, risks, costs"

    Balaji G. - "This is the answer I have prepared. Please let me know your comments and how I can improve the answer. I have worked on many process improvement initiatives and projects. I want to share an initiative that I led and delivered while at my previous employer. It had a great impact on over 60 programs and projects across teams in six different countries. Analysts and program managers used to generate a monthly program performance report that deals with all aspects, including schedule, risks, costs"See full answer

    Product Manager
    Behavioral
    +2 more
  • Amazon logoAsked at Amazon 
    17 answers
    +14

    "I will divide my answer in 2 parts: Process I use for managing risks in any Project I will explain a real life situation where a Risk occurred and how I managed it Process for Risk Management can be broken down into 3 parts: Risk Identification: Risk identification is a team effort and is an ongoing process that happens throughout the Project. Technical Risks are usually identified during design/build/testing stage. I maintain a Risk register document to capture all the risks identified"

    Saket S. - "I will divide my answer in 2 parts: Process I use for managing risks in any Project I will explain a real life situation where a Risk occurred and how I managed it Process for Risk Management can be broken down into 3 parts: Risk Identification: Risk identification is a team effort and is an ongoing process that happens throughout the Project. Technical Risks are usually identified during design/build/testing stage. I maintain a Risk register document to capture all the risks identified"See full answer

    Technical Program Manager
    Behavioral
    +3 more
  • Amazon logoAsked at Amazon 
    6 answers
    +3

    "In my role as a Product Owner, I was developing a platform for a logistics company. As a PO and that too of a digital agency, my work was mostly before-end-to-after-end, it would start from pitching, strategy, product management, launch, funding deck prep. In mid of the product management cycle, the client starts adding pressure to deliver way before the deadline, as they had found the PE firm that conceptually was ready to start funding discussion, since this was not scoped before the start,"

    Umang S. - "In my role as a Product Owner, I was developing a platform for a logistics company. As a PO and that too of a digital agency, my work was mostly before-end-to-after-end, it would start from pitching, strategy, product management, launch, funding deck prep. In mid of the product management cycle, the client starts adding pressure to deliver way before the deadline, as they had found the PE firm that conceptually was ready to start funding discussion, since this was not scoped before the start,"See full answer

    Product Manager
    Behavioral
    +1 more
  • Amazon logoAsked at Amazon 
    8 answers
    Video answer for 'Tell me about a time when you faced technical and people challenges simultaneously.'
    +5

    "How often do we get 15 min to answer a question? Wondering isn't the expectation to answer this in 3-5 min?"

    Anonymous Raven - "How often do we get 15 min to answer a question? Wondering isn't the expectation to answer this in 3-5 min?"See full answer

    Product Manager
    Behavioral
    +1 more
  • Amazon logoAsked at Amazon 
    15 answers
    Video answer for 'Design a reservation and payment system for a parking garage.'
    +12

    "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."

    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

    Software Engineer
    System Design
    +2 more
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  • Amazon logoAsked at Amazon 
    6 answers
    +3

    "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"

    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

    Product Manager
    Behavioral
    +1 more
  • Amazon logoAsked at Amazon 
    2 answers

    "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)) { "

    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

    Software Engineer
    Data Structures & Algorithms
    +1 more
  • Amazon logoAsked at Amazon 
    54 answers
    Video answer for 'Tell me about a skill you recently learned.'
    +47

    "What are they looking for in the answer? "

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

    Data Engineer
    Behavioral
    +1 more
  • Amazon logoAsked at Amazon 
    11 answers
    +8

    "In my time at Snapp! I was in charge of communicating the product backlog to our CEO. We had a shared Jira board that he had access to and I made specifically for him. One day he saw me in the office and said he doesn’t know anything about our backlog and that’s because I failed to communicate with him. I got upset at first because of the fact that I made the dashboard exclusively for him. But I tried to ask questions to understand his point of view in depth. He then mentioned he doesn't have t"

    Ra R. - "In my time at Snapp! I was in charge of communicating the product backlog to our CEO. We had a shared Jira board that he had access to and I made specifically for him. One day he saw me in the office and said he doesn’t know anything about our backlog and that’s because I failed to communicate with him. I got upset at first because of the fact that I made the dashboard exclusively for him. But I tried to ask questions to understand his point of view in depth. He then mentioned he doesn't have t"See full answer

    Product Manager
    Behavioral
    +9 more
  • Amazon logoAsked at Amazon 
    9 answers
    +6

    "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."

    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

    Product Manager
    Behavioral
  • Amazon logoAsked at Amazon 
    4 answers
    +1

    "I tried solving this problem and here is the recorded video for the answer. https://www.youtube.com/watch?v=d1tOkeQjyI4 And here is the link to Excalidraw board - https://excalidraw.com/#json=uabNFHcZm5qNh8CInMvyh,Wn9Vf1ZhGdl_iBCQYFkYdw"

    Rjj - "I tried solving this problem and here is the recorded video for the answer. https://www.youtube.com/watch?v=d1tOkeQjyI4 And here is the link to Excalidraw board - https://excalidraw.com/#json=uabNFHcZm5qNh8CInMvyh,Wn9Vf1ZhGdl_iBCQYFkYdw"See full answer

    Engineering Manager
    System Design
    +1 more
  • +6

    "I have 2 product feedbacks. I think it has been mentioned by many users of the platform. Provide a text summary of the videos so that we do not have to watch through the whole interview practice Actually comment if the interview was good or not, currently we do not really know if the answer given is of high quality "

    Kai H. - "I have 2 product feedbacks. I think it has been mentioned by many users of the platform. Provide a text summary of the videos so that we do not have to watch through the whole interview practice Actually comment if the interview was good or not, currently we do not really know if the answer given is of high quality "See full answer

    Product Strategy
  • Amazon logoAsked at Amazon 
    5 answers
    +2

    "Step 1: Clarifying the Problem Scope We will focus on designing the leaderboard for Dream11 with these assumptions: Registered teams: 100,000 users are actively participating and ranked. Real-time updates: Leaderboard updates frequently as players accumulate points based on live sports events. Multiple leagues: Each user can participate in different leagues, so we will need to maintain a separate leaderboard for each league. Query efficiency: Users frequently"

    Ramendra S. - "Step 1: Clarifying the Problem Scope We will focus on designing the leaderboard for Dream11 with these assumptions: Registered teams: 100,000 users are actively participating and ranked. Real-time updates: Leaderboard updates frequently as players accumulate points based on live sports events. Multiple leagues: Each user can participate in different leagues, so we will need to maintain a separate leaderboard for each league. Query efficiency: Users frequently"See full answer

    Engineering Manager
    System Design
  • Amazon logoAsked at Amazon 
    8 answers
    +5

    "Functional Requirement Ingest Book Reviews in real time User in the website needs specify title tho search books, return response is the list of reviews on the books. Non Functional Requirement: User get real-time book reviews> It nees to handle the search among 1 million of active users daily"

    Simon O. - "Functional Requirement Ingest Book Reviews in real time User in the website needs specify title tho search books, return response is the list of reviews on the books. Non Functional Requirement: User get real-time book reviews> It nees to handle the search among 1 million of active users daily"See full answer

    Software Engineer
    System Design
    +1 more
  • Amazon logoAsked at Amazon 
    9 answers
    +4

    "I: Design a banking app for kids S: Sure, let me start with clarifying questions. What is our goal for building this app? I: To create financial literacy early in childhood and also increase our customer base. S: Sure. Are we going to launch it globally or in any specific geography or demography? I: Globally. S: Sure, Any resource or time constraints to keep in mind because I need to prioritize the features on the roadmap based on that? Also, are we launching it on iOS or Android? I: No resource"

    Sameer S. - "I: Design a banking app for kids S: Sure, let me start with clarifying questions. What is our goal for building this app? I: To create financial literacy early in childhood and also increase our customer base. S: Sure. Are we going to launch it globally or in any specific geography or demography? I: Globally. S: Sure, Any resource or time constraints to keep in mind because I need to prioritize the features on the roadmap based on that? Also, are we launching it on iOS or Android? I: No resource"See full answer

    Product Manager
    Product Design
  • Amazon logoAsked at Amazon 
    13 answers
    +8

    "I firstly discuss the brute force approach in O(n^2) time complexity , than i moved to O(nlogn) tine complexity than i discussed the O(n) time complexity and O(n) space complexity . But interviewer want more optimised solution , in O(n) time complexity without using extra space , The solution wants O(1) space complexity i have to do changes in same array without using any space . This method is something like i have to place positive values to its original position by swapping and rest negativ"

    Anni P. - "I firstly discuss the brute force approach in O(n^2) time complexity , than i moved to O(nlogn) tine complexity than i discussed the O(n) time complexity and O(n) space complexity . But interviewer want more optimised solution , in O(n) time complexity without using extra space , The solution wants O(1) space complexity i have to do changes in same array without using any space . This method is something like i have to place positive values to its original position by swapping and rest negativ"See full answer

    Software Engineer
    Data Structures & Algorithms
    +1 more
  • Amazon logoAsked at Amazon 
    3 answers

    "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"

    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

    Data Scientist
    Analytical
    +2 more
  • Amazon logoAsked at Amazon 
    15 answers
    +12

    "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'"

    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

    Technical Program Manager
    Technical
  • "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"

    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

    Product Manager
    Behavioral
    +1 more
  • Amazon logoAsked at Amazon 
    13 answers
    Video answer for 'Design a rate limiter.'
    +9

    "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"

    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

    Software Engineer
    System Design
    +1 more
Showing 41-60 of 421