The Amazon Front-End Engineer interview process comprises four main interview stages:
The Initial HR Screen The HR Screening involves a quick discussion with a recruiter from Amazonâs Human Resources department. Recruiters try to ascertain if youâre fit for the role you applied for based on your skillset and experience.Â
The Technical Phone Screen: This is a remote interview that typically lasts for 30-40 mins. The technical phone screen is conducted by a hiring manager responsible for the recruitment of Front-End Engineers. Youâll be asked to solve 1-2 coding problems on core data structures in this round. The coding questions asked in this round wonât be complex. This round is meant to test your approach towards problem-solving.Â
The Onsite Interview: The Amazon onsite interview comprises 4-5 rounds of interviews, depending on the seniority of the role youâre interviewing for. The main rounds of the onsite interview include:Â
The Coding Round: Questions in this round will be of medium/hard difficulty, based on algorithms and core data structures. An additional round may be conducted if youâre interviewing for an IC (Individual Contributor) role.Â
The Front-End Fundamentals Round: In this round, the hiring manager will test your knowledge on JavaScript, HTML, CSS, Libraries, DOM, and other front-end fundamentals. This round lasts for approximately 30 minutes.Â
The Systems Design Round: This round tests your ability to understand scalable systems. You may be asked to design an arbitrary scalable system with low latency according to a given set of inputs. Questions in this round will focus on front-end development and user interface design.
The Front-End Systems Design Round: This round is for engineers with over 5 years of experience applying for senior positions. You will be tested on JS fundamentals and various other front-end design concepts. Youâll be presented with a design problem, and your solution will be assessed based on modularity, performance, and accessibility.Â
The Behavioral Round: This round comprises one round to test your responses to workplace situations and a Bar Raiser round that evaluates if youâre a cultural fit based on Amazonâs 14 Leadership Principles and your past projects.Â
Most Common Amazon Web Developer Interview Questions
Now, for the moment you’ve been waiting for: here are some of the top web development interview questions asked during Amazon interviews.
How would you implement integer division if your language did not offer it?
Vertically and horizontally center an element on the screen using CSS.
Implement a SortedMap in JavaScript
How do you resolve conflict with coworkers, and what did you learn from the experience?
How would you make your web pages load fast?
Write a JavaScript function that creates HTML based on a given input dataset.
Implement Sum (3)(4)(5)=12 with JavaScript
How would you make this markup more accessible for a visually impaired person? Hearing impaired? How about a person on a slow network?
Build a file uploader.
Take two arrays and compare them to find duplicates. Only list each duplicate once.
Outline how you would implement a chess game in a language of your choice.
Make an accordion where when clicked, text expands from it and when another item is clicked, the first one collapses and the second one expands.
What is the importance of CSS selectors? Where do you use them?
How would you reverse a linked list?
How would you implement document.querySelectorAll manually using recursion?
It’s important to note that these are only 15 of the many questions that you may face during a web development interview with Amazon. Per most interviews, you can expect a combination of both skill and personality-based questions. It’s always a good idea to do your research on prominent interview questions and web development concepts before attending your interview.
Q Differentiate between centralized and distributed version control systems.
Centralized version control system stores all the file versions on a central server, and none of the developers have a complete copy of the files in the local system. So if the central server fails, all the projects data is lost.Â
However, in a distributed version control system, all developers have a copy of their systems code versions. Hence, this system removes the need for a single backup location, enables them to work offline, and ensures that there is no danger when the server crashes.
Amazon Front End Interview Prep | Software Engineer
