Amazon Technical Interview Questions

Kartikeya N. - "Clarifying questions: What is meant by abuse?: Fake, paid reviews Are we looking at any particular country ? : Global Have we seen an increase in the number of fake reviews on Amazon?: Yes Can we quantify the % of fake reviews and how much it has increased in the recent past?: Can’t divulge company data Lets first start with the Vision of Amazon. It is to be the world’s most customer centric company. That is a very lofty and high standards’ Vision. So the problem we are trying to s"See full answer

Srini K. - "performance issues and sudden spikes on input requests by scaling techniques and optimization."See full answer

DM - "Clarifying my assumptions first, i.e. "Technical contributions are not just writing or reviewing code". Answer : My contributions to any program I lead as a TPM are as follows : Inputs towards design, architecture review, mapping requirements to the proposed design, reviewing the implementation strategy w.r.t scalable solution, Writing core user-centric test scenarios, Validating proposed design vs implementation estimates vs initial planning. etc... Example : Situation: We are a"See full answer

Kanwal jeet singh L. - " I have told about the challenge I have faced while designing the Automation Framework for Angular and React website and why we have to use 1 library puppeteer sharp over selenium e.g. we need to handle the asynch calls correctly when an object is selected in the UI and result is awaited for it."See full answer

Scott S. - " Situation In the derivatives trading domain, timely and accurate data is crucial for making informed trading decisions. Our existing data processing system was facing challenges with latency and scalability, which hindered our ability to react swiftly to market changes. To address these issues, we designed a new real-time market data processing platform. Task The task was to develop a low-latency data processing platform that could handle real-time market data ingestion, processing, an"See full answer

Ali H. - "SQL databases are relational, NoSQL databases are non-relational. SQL databases use structured query language and have a predefined schema. NoSQL databases have dynamic schemas for unstructured data. SQL databases are vertically scalable, while NoSQL databases are horizontally scalable."See full answer

Hamilton D. - "no"See full answer

Ian R. - "You might build a product like this a few ways. I think you'd definitely want a temperature sensor device (maybe like a TMP422, or maybe there's a different one that is standard for wearables) that was worn by the individual. As far as tracking social distance, my answer here is more dependent on the state of the art of robust (wearable) distance measurement. Maybe there's something available better than ultrasonic sensors, maybe there's some kind of electromagnetism based solution that isn't in"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

Anubhav A. - "Started at 1.48 Clarifying question: Are we interested in a particular lens for this problem? Looking back in history to understand what significant changes did fast internet made in the world: -> Fast Internet - More consumption -> Fast Internet - More Adoption -> Fast Internet - Cheap Internet Let's try to see what kind of things will change in each of these categories. Let me look at it from a lens of an end user (internet consumer uses the internet for work and maintaining their socia"See full answer

Tony C. - "That I had not been a PM for a formal ML product. But good models need sound data and my five years of sql writing and ensuring that DWHs and marts had the data they needed for reporting would be very relevant"See full answer

Exponent - "This is a Technical question. It tests your ability to understand high level technical concepts. Even though your job won't have any coding involved, you'll still need to understand these concepts. Being able to cover all these topics with clarity communicates confidence in your interviewer. Unfortunately, there's no formula for technical questions, but some general tips are: Use analogies when you can Break your solution into clear, bite-size steps Don't be afraid to use examples to b"See full answer