Google Front-end Developer Interview Questions You Should Prepare
Google’s top front-end developers work tirelessly to create the perfect user experience. It’s no surprise that Google wants to hire the best developers and has very high standards when it comes to job interviews. Google’s front-end developers are also well paid. The salary of a front-end developer at Google and the United States ranges from $80,746 to $430,000 per year, with an average annual salary of $156,806 per year.
Google front-end developer interview questions are difficult to answer. The only way to approach front-end developer interview questions is Google to practice mock interviews and really cut to the chase.
To help you test your skills and gauge your readiness, I’ve compiled a list of Google frontend developer interview questions in this article.
If you’re preparing for a technical interview, check out our technical interview checklist, interview questions page, and salary negotiation e-book to prepare for the interview.
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In this article, I cover:
- Best Google Front End Developer Interview Questions and Answers
- Sample Google Front End Developer Interview Questions
- Google Common Interface Developer Interview Questions for Experienced Professionals
- Interview Questions for Google UI Developers — FAQ
Top Google Front-end Developer Interview Questions and Answers
To ensure that Google hires the best, your first interview will be a phone interview and Coding interviews, front-end focused system design interview, and behavioral interview.
To get a job as a front-end developer at Google, hone your skills in CSS, JavaScript, HTML, an OOP language, UI design, system design, temporary bug fixes and Angular/Polymer/Backbone/Closure.
The terms developer and engineer are often used interchangeably, and Google hires front-end developers under the title “Software Engineer, Frontend”. Engineers are said to be, compared to developers, have more technological skills because engineers monitor the system as a whole while developers are more concerned with creating working software.
We’ll start with some basic Google user interview questions and answers, then move on to technical questions more in-depth.
Q1. Differentiate between MySQL and MongoDB.
There are several differences between MySQL and MongoDB. MySQL is a relational database management system (RDBMS) while MongoDB is a NoSQL database. MySQL uses SQL as the default language to manage its database and table-like structure to store data. MongoDB uses MongoDB Query Language (MQL) to modify or access data and JSON-like structures to store the data.
Q2. How can we remove duplicate entries from a JavaScript Array?
To remove duplicates from a JavaScript array, we can use the filter() function or use the for loop to store all repeated elements in an empty array.
Q3. What are some ways to decrease page load time?
Image optimization, browser optimization, caching, optimization and compress the contents and add the stylesheet reference at the top.
Q4. Talk about the Grid system in CSS.
Grids are used in CSS to process HTML content after the page has been converted into split raster. Grids allow you to stack and highlight different elements in different parts of the grid using CSS.
Q5. What is stringify?
Stringify is used in a JSON method to convert a JavaScript object to a string conversion. JSON is used to send and receive data between web server and client. However, to send data to the web server, the object must be a string.
Sample Google Interview Questions for Front-end Developers
We’ll start with a little Google warm-up Questions at the beginning of the interview. Make sure you can solve them before your interview:
- Explain what internal and im Frontend happens when a user clicks on a link in a web browser.
- Explain the JavaScript module model. When would you use it?
- If you have text on a web page, how many shapes do you know? Make the text disappear?
- How can I get a response regarding updating the webpage?
- Define and describe the need and use of the cap.
- Define and describe when you will use the JavaScript module template.
- Name and Talk Talk about some version control systems you know.
- Explain the improvement.
- Explains some techniques for improving performance when creating or maintaining a new website.
Common Google Front-end Developer Interview Questions for Experienced Professionals
- How to design a task scheduling system?
- How will you style Google Docs?
- Given Find with a string A and a string B the minimal window of A containing all the characters of B in time complexity O(n).
- Given a row x column binary matrix filled with 0s and 1s, would you find the largest rectangle with only 1 and return its area?
- How would you reverse a linked list?
- Yes, I will give you an encoded string. Write the code to return your decoded string.
- How can I implement a SnapshotArray that also supports predefined interfaces?
- How to find the width of a reverse binary tree?
- How do I know if two binary trees are the same?
- Find the maximum sum of paths in a given binary tree, where the path can start and end at any node.
FAQs on Google Front-end Developer Interview Questions
Q1. What is the role of a front-end developer at Google?
A front-end developer is primarily responsible for developing and maintaining the user interface and creating tools that improve user interface, website engagement, web design implementation on mobile websites, and software workflow management.
Q2. List some of the most popular tools and languages used in front-end development.
JQuery, Bootstrap, Git, Atom, View.Js and HTML5 Boilerplates are currently popular and widely used in front-end development. HTML, CSS, and JavaScript are the most commonly used languages for front-end development.
Q3. What are the advantages of TypeScript over JavaScript?
TypeScript has features like interfaces and generics that are better than what we have in JavaScript. TypeScript also does not compile during development, has excellent tool compatibility with IntelliSense, and supports strong and static typing.
Q4. Who earns more, front-end or back-end developers?
On average, back-end developers in the United States earn more than front-end developers .
Q5. What are the essential topics to prepare for a Google UI developer interview?
The essential topics to prepare for a developer interview include features , trees, Google DSA UI graphics, HTML, CSS, JavaScript, OOP concepts and their application, debugging in at least one OOP language, systems design, scalable systems, databases, networks and interfaces.
