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Amazon Front-End Engineer Interview Guide

Interview Guide Dec 08

Detailed, specific guidance on the Amazon Front-End Engineer interview process - with a breakdown of different stages and interview questions asked at each stage

The role of an Amazon Front End Engineer

Amazon.com Inc. is an American multinational technology company focusing on e-commerce, cloud computing, digital streaming, and artificial intelligence.

Amazon's Front-End Engineers create the visuals and layout for its e-commerce web pages, web applications, and cloud computing applications. In addition to developing interfaces for clients, users, and business applications, they provide creative solutions to improve engagement with users and sellers.

You can apply for the Amazon Front-End Engineer job on the career page of Amazon.com or get a credible internal employee to refer you through Prepfully's Company Referral service, available here.

Role of a Front-End Engineer at Amazon

  • Assisting back-end engineers in developing application architectures.
  • Developing web pages and web applications with creative solutions.
  • Creating tools for styling web applications and pages.
  • Speeding up the loading of web pages and improving site performance.
  • Designing the interface for web applications and pages.
  • Enhancing browser engagement and the user experience.
  • Testing across platforms and browsers to ensure that websites load consistently.

Preferred Skills/Qualifications

  • Experience with Object-Oriented Design
  • Knowledge of developing front-end, web-based, or mobile apps using JavaScript, HTML, and CSS
  • Bachelor's degree or higher in computer science, computer engineering, information science, or a related STEM field from an approved university or college
  • Good experience in using HTML, CSS, and JavaScript.
  • 1+ years of experience designing and building web applications
  • Knowledge of one or more front-end frameworks (e.g., React, Angular, or Vue)
  • Understanding of one or more core programming languages, such as Java, C++, Python, Ruby, or Node.js
  • Capable of using one or more version control platforms (e.g., GIT, Subversion, Mercurial)

Amazon Front-End Engineer Salary

Amazon Front-End Engineer salary ranges from ₹ 18 Lakhs to ₹ 29.5 Lakhs.

Amazon Front End Engineer Interview Guide

The Interview Process for the Amazon Front-End Engineer Job 

The interview process for the Amazon Front-End Engineer role consists of 3 stages:

  • Initial HR Screen Round
  • Technical Phone Screen Round
  • Onsite Interview

 Below is a detailed description of the interview process and the Amazon Front-End Engineer interview questions. You can also get more questions about the Amazon Front End Engineer job interview here.

Relevant Guides

Amazon Front-end Engineer - Initial HR Screen Round

Overview

During the HR screening, a recruiter from Amazon's Human Resources Department briefly interacts with the applicant. Recruiters strive to establish whether you are a good fit for the position based on your credentials and experience.

Interview Questions

  • How did you handle a conflict while working on a team?
  • Do you have experience leading a project in the past?
  • Why do you think you are an excellent fit for this role?

Amazon Front-end Engineer - Technical Phone-Screen Round

Overview

This remote interview usually lasts between 30 and 40 minutes. A hiring manager conducts the technical phone interview.

You'll have to work out a few coding issues involving fundamental data structures in this round. This round's coding questions won't be difficult. This exercise is designed to gauge how you approach problem-solving.

Interview Questions

  • How well do you handle different types of technology?
  • What are your methods for managing your time when working on a project?
  • How did you handle a complicated project? What were some of the challenges you overcame?
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Amazon Front-end Engineer - Onsite Interview Round

Overview

Depending on the position you're interviewing for, the Amazon onsite interview consists of 4-5 rounds of interviews. The following are the main rounds of the onsite interview:

  • The Coding Round: There will be medium- to hard-level questions in this round that are focused on fundamental algorithms and data structures. If you are being interviewed for an IC (Individual Contributor) position, there may be an additional round.
  • The Front-End Fundamentals Round: Your knowledge of JavaScript, HTML, CSS, libraries, the DOM, and other front-end foundations will be tested by the hiring manager in this round. The duration of this round is about 30 minutes.
  • The Systems Design Round: This round tests your grasp of scalable systems. You might be asked to create a low-latency, scalable approach based on a specific set of inputs. This round's questions will be primarily about front-end programming and user interface design.
  • The Front-End Systems Design Round: Engineers with more than five years of experience should apply in this round for senior posts. The fundamentals of JS and other front-end design ideas will be tested. You will be given a design challenge, and your response will be evaluated for modularity, performance, and accessibility.
  • The Behavioral Round: This consists of a Bar Raiser round that assesses your cultural fit based on your past projects and Amazon's 14 Leadership Principles and one round to test your answers to workplace scenarios.

Tips

  • As you might be asked to write code on a whiteboard during the onsite interview and practice whiteboard coding, it could be challenging to solve difficulties and express your ideas simultaneously if you are unfamiliar with the coding on a whiteboard.
  • Amazon gives weightage to the results of behavioral interviews. The Bar Raiser round determines whether you will fit in well at Amazon.
  • Use the Situation, Task, Action, and Result (STAR) structure when responding to queries about your prior initiatives. This provides recruiters with accurate information regarding your tasks to meet project objectives.
  • Compile a portfolio of your prior work and list specifics using the STAR method to get a competitive advantage.
  • Find patterns when solving issues, then discover how to use them with new ones. This is a tried-and-true method for enhancing problem-solving abilities.
  • Learn the fundamentals of your preferred programming language and machine learning principles.

Interview Questions

Coding Interview Questions

  • Write a code to check whether three integers in an array of integers have a sum that is equal to a certain value.
  • Write a program function to clone a given directed graph such that the cloned graph has the same edges and vertices.
  • Write a code to merge two given linked lists so the returning linked list is sorted.
  • Given the roots of two binary trees, write a code to determine if they are identical.

Behavioral Interview Questions

  • When working on challenging projects, how do you avoid burnout?
  • How did you adapt quickly to a new project?
  • If you disagree with your superior, how do you take it to him?
  • Have you ever dealt with a difficult client? Please tell us about it!

Practice more such questions with an Amazon Front-End Engineer and get hands-on experience.

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Frequently Asked Questions