Amazon oa2

Amazon does not hire ordinary. To ensure that this statement holds true, Amazon trains a selected few of its employees to be Bar Raisers in the Amazon interview process.

amazon oa2

These Amazon employees take on essentially a second, unpaid job as candidate evaluators. Apart from taking one of the interviews, the primary job of a Bar Raiser is to ensure that for each position and level, every candidate is being interviewed across a shared set of competencies: the 14 Amazon leadership principles more about them in a while. The BRs also help by discovering hidden hiring motives, like a serious near-term need, and force interviewers to reconsider their feedback in different contexts.

Bar Raisers are known not to jump from one question to another, but savour hearing every applicable detail of your story in the Amazon interview process.

amazon oa2

Amazon usually conducts about four to six interviews, wherein at least one interviewer is a bar raiser. Each interviewer covers a few of the 14 Amazon leadership principles so that in entirety the candidate is judged on each one of them in the process.

Behavioural interview questions are asked to check if the candidate has manifested these 14 amazon leadership principles in the past. As stated earlier, these are the single most important filter that Amazon uses to select candidates in the interview process.

Amazon strongly believes that with the expansion rate of the company, the only way they can keep the company culture alive is by ferociously guarding their 14 leadership principles. If even one of the BRs has an objection to Amazon hiring the candidate, they can simply veto the application and the interview process ends there. These Principles work hard, just like we do. Having interviewed Amazon recruiters and candidates, we have collated a brief list of interview questions that are used in Amazon interviews to judge candidates on each of these 14 leadership principles.

Please note that the interview questions below are by no means exhaustive and are just indicative of the space that your Amazon interview questions would be penetrating into. You can use this list of interview questions to work on your laundry list of experiences and pick out your star stories: the stories that best manifest the Amazon leadership principles you want to put light upon.

Understand that every part of the process Amazon Interview process has been created to systematically outline leadership traits, understand their importance to you and the degree of applicability of these 14 Amazon Leadership principles in your life experiences. Speak in them. Speak to them. Mention them in your stories. Leaders start with the customer and work backward. They work vigorously to earn and keep customer trust.

Although leaders pay attention to competitors, they obsess over customers. What happened, and how did you attempt to rectify the situation? Leaders are owners.

Authorization Code Grant

They act on behalf of the entire company, beyond just their own team. Leaders expect and require innovation and invention from their teams and always find ways to simplify. As we do new things, we accept that we may be misunderstood for long periods of time. Leaders are right a lot. They have strong judgment and good instincts. They seek diverse perspectives and work to disconfirm their beliefs.

Leaders are never done learning and always seek to improve themselves. They are curious about new possibilities and act to explore them. Leaders raise the performance bar with every hire and promotion.You are on a flight and wanna watch two movies during this flight. You are also given the duration of the flight which is d in minutes. Now, you need to pick two movies and the total duration of the two movies is less than or equal to d - 30min.

Find the pair of movies with the longest total duration. If multiple found, return the pair with the longest movie. Output from aonecode.

Treasure Island I You have a map that marks the location of a treasure island. Some of the map area has jagged rocks and dangerous reefs.

Amazon Online Assessment Questions 2020 OA2 - Optimize Memory Usage

Other areas are safe to sail in. There are other explorers trying to find the treasure. So you must figure out a shortest route to the treasure island.

Amazon Internship Interview Process!

Assume the map area is a two dimensional grid, represented by a matrix of characters. You must start from the top-left corner of the map and can move one block up, down, left or right at a time.

You must not enter dangerous blocks. You cannot leave the map area. The top-left corner is always safe. Output the minimum number of steps to get to the treasure. Treasure Island II You have a map that marks the locations of treasure islands. So you must figure out a shortest route to one of the treasure island. You must start from one of the starting point marked as 'S' of the map and can move one block up, down, left or right at a time.

amazon oa2

Output the minimum number of steps to get to any of the treasure. The treasure locations are 2, 4 3, 0 and 4, 0. Here the shortest route is 0, 31, 32, 32, 4. K Nearest Post Offices Find the k post offices located closest to you, given your location and a list of locations of all post offices available. Euclidean distance is applied to find the distance between you and a post office.Collapse All Expand All.

An Authorization Code grant allows a client typically a website to direct the user-agent a user's browser to a URI at Amazon. The user is then presented with a page asking to grant the website permission to the user's profile. After the user approves the request, the client receives the authorization code and can trade that code for an access token and refresh token.

After the client has the access token, they can read the customer profile. For more details on the customer experience, see Authorization Grants. If the user refuses the request, the client receives an error from the authorization service. The first parameter to amazon. The second parameter is either a JavaScript function to handle the authorization response, or a redirect URI to another page.

The client will then receive an Authorization Response described below. After the client website directs the user-agent browser to make an Authorization Request, the authorization service will redirect the user-agent to a URI specified by the client. If the user granted the request for access, that URI will contain a code parameter containing the authorization code.

For example:. The authorization code can range from 18 to characters. An authorization code is valid for 5 minutes. The redirect also copies the state passed by the user-agent in the authorization request. This value allows you to keep track of the user's state before the request. It is also used to prevent cross-site request forgery.

If you are using the Login with Amazon SDK for JavaScript, the above parameters are available in the response object provided by amazon. If the user did not grant the request for access, or an error occurs, the authorization service will redirect the user-agent a user's browser to a URI specified by the client.

That URI will contain error parameters detailing the error. The following error codes can be returned as the value for error :. After the client website receives an Authorization Response with a valid authorization code, it can use that code to obtain an access token.

With an access token, the client can read a customer profile. This is because that exchange requires the client secret, which should not be stored in a script. As a result, your web server will need to make the exchange instead. If you use amazon. For more information, see RFC When you obtain an access token, you will also receive a refresh token.

You can use a refresh token to retrieve a new access token. The response to a refresh token submission is an Access Token Response. Login with Amazon LWA. The Javascript SDK does not support this step because it would expose the client secret.

The client identifier.Asked March 19, I missed my new hire orientation and it wont let me set up a new appt called tech support and they cant help either.

Amazon OA2

Answered April 5, Always thought about applying for Amazon. Answered March 18, My New Hire Event was January Got mouth swabbed tested and background checked. On January I completed the MyDocs information.

Still waiting for KNET material, which they said could take a week to ten days after the "hired" email. Answered January 17, Amazon is extremely slow in the hiring process. I had to go to the hotel where they were hiring people two days in a row because their network screwed up my information.

I was supposed to start a job on November 3rd, but HR didn't provide online orientation in time. Now I'm supposed to start on December 5th, and after contacting them, at least, 5 times, I'm still waiting for HR to send the information I need. Answered December 2, My hiring event was on Nov 18th. I had to retake a drug test on Nov 26th and received and offer letter on Nov 27th. Answered November 27, Answered November 14, I applied around September 22nd.Leetcode 1.

Binary Search 1. Median of Two Sorted Arrays 1. Search a 2D Matrix 1. Search a 2D Matrix II 1. Search for a Range 1. Minimum Size Subarray Sum 1. Search in Rotated Sorted Array 1. Find Minimum in Rotated Sorted Array 1. Search insert position 1.

Authorization Code Grant

First Bad Version 1. Find Peak Element 1. Sorted array 1. Spiral Matrix 1. Spiral Matrix II 1. Rotate Image 1. First Missing Positive 1. Largest Rectangle in Histogram 1. Longest Consecutive Sequence 1. Majority Element II 1. Merge Sorted Array 1. Back Tracking 1. Palindrome Partitioning 1. Path Sum II 1. Subsets II 1. Permutations 1.

Permutations II 1. Next Permutation 1. Restore IP Addresses 1.OA1: Given 7 debugging questions all of them required a simple 1-or-2 line fix. Was given a survey at the end of OA2 but not important and should not be studied. I chose to do these Questions in Python 3. OA3: Work place simulation, you'll be given several scenarios that can occur in the work place.

You are then given decisions to make and asked to rank them based on effectiveness. Example Scenario: Project A takes X days and is the longest project, project B takes Y days and is the easiest, and project C's completion time is unknown as you may not know the technology yet. Which project would you choose based on that? After the simulation you were given some logic problems that were pretty straight forward, just simple puzzles you might have done as a child.

A lot of it was encrypting and decrypting words. I believe there were about of them? I honestly thought OA3 was really natural for me. Final Round Interview: Was only assigned a single round interview as opposed to 3. I believe it is due to my scores for OA2 and OA3.

The whole interview ended up being 25 minutes over Amazon Chime. The interviewer introduced himself and had my resume in front of him to get a better sense of who I was. Didn't really ask me anything before he pasted my OA2 code in the live code pad.

He was a nice guy who asked me to explain my code in OA2. He also went more in depth and asked if I had prior solutions before my submitted solutions. He asked me for run time and space complexity for both which I was able to do. I got nervous at first explaining my first problem and did freeze a little when explaining my first problem. I did gathered myself for the second problem and was able to answer all his questions he had for me.

Then I asked him few questions and it was over.We use our Leadership Principles every day, whether we're discussing ideas for new projects or deciding on the best approach to solving a problem. It is just one of the things that makes Amazon peculiar. Leaders start with the customer and work backwards. They work vigorously to earn and keep customer trust. Although leaders pay attention to competitors, they obsess over customers. Leaders are owners. They act on behalf of the entire company, beyond just their own team.

Leaders expect and require innovation and invention from their teams and always find ways to simplify. Leaders are right a lot. They have strong judgment and good instincts. They seek diverse perspectives and work to disconfirm their beliefs. Leaders are never done learning and always seek to improve themselves. They are curious about new possibilities and act to explore them. Leaders raise the performance bar with every hire and promotion. They recognize exceptional talent, and willingly move them throughout the organization.

Leaders develop leaders and take seriously their role in coaching others. We work on behalf of our people to invent mechanisms for development like Career Choice. Leaders have relentlessly high standards — many people may think these standards are unreasonably high. Leaders are continually raising the bar and drive their teams to deliver high quality products, services, and processes. Leaders ensure that defects do not get sent down the line and that problems are fixed so they stay fixed.

Thinking small is a self-fulfilling prophecy. Leaders create and communicate a bold direction that inspires results.


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