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Front End Developer Interview Questions

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Indeed’s Employer Resource Library helps businesses grow and manage their workforce. With over 15,000 articles in 6 languages, we offer tactical advice, how-tos and best practices to help businesses hire and retain great employees.

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Whether you are preparing to interview a candidate or applying for a job, review our list of top Front End Developer interview questions and answers.

  1. How do you ensure the websites you design promote accessibility and user-friendliness? See answer
  2. What coding languages do you have experience with? See answer
  3. How do you stay up-to-date with industry trends and techniques? See answer
  4. What types of front end development projects do you prefer and why? See answer
  5. What skills do you have that make you a good front end developer? See answer
  6. How do you ensure your code is easy for other developers to understand? See answer
  7. What are meta tags? See answer
  8. How do you limit errors in your work? See answer
  9. Has a client or team member ever been unhappy with your work? What happened? See answer
  10. How do you ensure a website or web application looks good on mobile and desktop? See answer
  11. What is a CSS float and how do you use it? See answer
  12. Can you explain what user-centred design is and its benefits? See answer
  13. How do you ensure clients or non-technical colleagues understand your front end development process? See answer
  14. What’s the most difficult front end development project you’ve worked on? What happened?
  15. What do you think a front end developer’s role is in a team?
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Our mission

Indeed’s Employer Resource Library helps businesses grow and manage their workforce. With over 15,000 articles in 6 languages, we offer tactical advice, how-tos and best practices to help businesses hire and retain great employees.

Read our editorial guidelines

15 Front End Developer Interview Questions and Answers

What's the most difficult front end development project you've worked on? What happened?

The aim of this question is to assess the candidate's experience and ability to work through common development challenges. What to look for in an answer:

  • Experience in a front end development role
  • Strong problem-solving skills
  • Ability to resolve conflicts independently

Example:

"The most difficult front end development project I've worked on was creating a website centred around a teaser version of the client's game. They wanted to use the website as a way to advertise their new app and wanted to include a small, playable version of their game. My team created the code for the game, but inputting it and ensuring it worked and looked good was challenging as I've never worked with games before."

How do you ensure the websites you design promote accessibility and user-friendliness?

The aim of this question is to assess the candidate's experience and knowledge of creating accessible, user-friendly websites. What to look for in an answer:

  • Ability to create user-friendly, accessible websites
  • Specific ways the candidate promotes accessibility
  • Experience in a front end development role

Example:

"Creating websites that are user-friendly and accessible is extremely important to me as I want everyone to be able to enjoy my work. If the client agrees to it, I will add alt text to images so screen readers can describe the picture to those with visual impairments. Similarly, I'll create websites that allow users to enlarge or minimize the font to make it easier to read. I test my web applications on various browsers and devices to check how easy it is to use as well."

What coding languages do you have experience with?

The aim of this question is to assess the candidate's technical knowledge of different programmeming languages. What to look for in an answer:

  • Experience working with different coding languages
  • Ability to use the coding language you prefer
  • Knowledge of various coding languages

Example:

"In my previous role, I used HTML, JavaScript, Coffee Script, CSS, SQL, and PHP. I prefer Coffee Script over JavaScript, so that is where most of my experience lies. However, I am proficient with HTML and CSS as well. I'm happy to learn any other coding language you prefer or further develop my current knowledge."

What do you think a front end developer's role is in a team?

The aim of this question is to assess the candidate's understanding of the role and ability to work well as a team. What to look for in an answer:

  • Understanding of the role
  • Willingness to work as a team
  • Strong industry knowledge

Example:

"Front end developers work closely with back end developers to create a visually appealing, cohesive website. They ensure a website looks good but also functions properly by utilizing their team's code. Front end developers should have an in-depth understanding of coding languages and design aspects to create a well-balanced website."

How do you stay up-to-date with industry trends and techniques?

The aim of this question is to determine whether the candidate has current knowledge of the industry. What to look for in an answer:

  • Understanding of current industry news and trends
  • Passion for their work
  • Willingness to update their knowledge consistently

Example:

"I keep updated with industry trends, news, and techniques by reading industry magazines. Some of my favourite web design magazines are Creative Bloq and Smashing Magazine. I also enjoy web development magazines, such as Noupe Magazine and Sprye Studios. I read an article or two a day with my breakfast to stay up-to-date."

What types of front end development projects do you prefer and why?

The aim of this question is to assess the candidate's personal preferences to determine if they suit your needs. What to look for in an answer:

  • Passion for their work
  • Experience in a similar role
  • Able to adapt to different types of projects

Example:

"My favourite type of front end development project is developing websites for nonprofits. Nonprofit organisations already do so much to help our community that I enjoy being able to help them."

What skills do you have that make you a good front end developer?

The aim of this question is to assess the candidate's understanding of the role and the skills they possess. What to look for in an answer:

  • Possession of skills you're looking for in a candidate
  • In-depth understanding of the role
  • Confidence in their abilities

Example:

"My greatest skill as a front end developer is my in-depth knowledge of different coding languages. I'm an expert in JavaScript, CSS, and HTML after years of schooling. Knowing all three coding languages helps me adapt to different work environments and meet different clients' needs. It also helps me create the best website possible."

How do you ensure your code is easy for other developers to understand?

The aim of this question is to assess the candidate's skills and ability to work as a team. What to look for in an answer:

  • Willingness to work as a team
  • Understanding of their role
  • Ability to create clean, easy-to-understand code

Example:

"I make all of my code as simple and organised as possible to make it easy for my colleagues to follow. I also use comments throughout the code to make it easier to change. I avoid deep nesting when possible and group my code to limit line length and disorganisation. I also create a style sheet for every project for my team to follow along with. Ensuring my code is easy to understand makes working as a team much easier."

What are meta tags?

The aim of this question is to test the candidate's technical knowledge. What to look for in an answer:

  • Understanding of meta tags
  • Confidence in their knowledge
  • In-depth industry knowledge

Example:

"Meta tags within an HTML document give information about the webpage. Meta tags don't appear on the website but search engines and browsers use them to help people find the website or navigate the webpage. Meta tags typically consist of data about the document's title, author, description, keywords, or character set."

How do you limit errors in your work?

The aim of this question is to assess the candidate's ability to reduce and eliminate errors in their work. What to look for in an answer:

  • Experience with front end development
  • Established process for limiting errors
  • Ability to produce error-free work

Example:

"To limit errors in my work, I double and triple check everything in my code to make sure it's clean and functional. I test the code as well by launching the website on different browsers and platforms to ensure there are no functional errors. This allows me to check if I dislike any of the design aspects as well."

Has a client or team member ever been unhappy with your work? What happened?

The aim of this question is to assess the candidate's ability to handle conflict professionally while still maintaining relationships. What to look for in an answer:

  • Ability to resolve conflict
  • Strong interpersonal and communication skills
  • Experience working with clients and team members

Example:

"A colleague was unhappy with the font I used on one of my websites as it didn't match the client's notes. I missed the note about the font type the client wanted and changed it immediately. I was glad my colleague caught the error before we submitted the website to the client. I now double check every clients' notes before submitting any work."

How do you ensure a website or web application looks good on mobile and desktop?

The aim of this question is to assess the candidate's experience with creating websites for mobile and desktop. What to look for in an answer:

  • Experience adapting websites for mobile and desktop
  • In-depth knowledge of the difference between the two platforms
  • Ability to create a functional, well-designed mobile and desktop website

Example:

"I start by designing the mobile version of the website as that is how most people access the internet nowadays, through a phone or tablet. Mobile websites also tend to be easier to design as there is less space to fill. I will then reuse whatever design aspects or coding I can and create the desktop website. I focus on the different user interactions between the two platforms as aspects like dropdown menus or online forms will be different for desktop and mobile."

What is a CSS float and how do you use it?

The aim of this question is to What to look for in an answer:

  • In-depth understanding of CSS floats
  • Understanding of how to use CSS floats
  • Confidence when explaining

Example:

"Inputting a CSS float into your code tells the browser to put an element, such as a picture or text, to the right side or left side of the container. This allows other text or elements to wrap around it. This can be a design choice. For example, when a client wants to include a picture on the left side of their webpage and the text flow around it. It can also be functional as you can use CSS floats on web pages that dynamically resize based on the user's resolution."

Can you explain what user-centred design is and its benefits?

The aim of this question is to assess the candidate's technical knowledge. What to look for in an answer:

  • Understanding of user-centred design
  • Ability to name the benefits of user-centred design
  • Willingness to implement user-centred design in their work

Example:

"User-centred design is a process that web developers use to focus on the client's needs, requirements, and customer base. Through every aspect of the design process, the front end developer will focus on what the user of that website needs. User-centred design requires a lot of research to work but is very beneficial. It often creates a more successful website with more organic traffic as the developer makes it with the user in mind."

How do you ensure clients or non-technical colleagues understand your front end development process?

The aim of this question is to assess the candidate's communication skills and ability to explain industry terms. What to look for in an answer:

  • Experience working with clients
  • Strong communication and interpersonal skills
  • Ability to adapt their language and knowledge for different audiences

Example:

"When explaining my development process to non-technical clients or colleagues, I use simple language. This means I leave out industry terms and acronyms to avoid confusion. I also have a visual portfolio with past projects to show clients if they don't understand a certain development aspect. Having a visual to show usually helps people better understand the process. I make myself readily available to answer questions as well, either over e-mail or phone to clear up any confusion."

Three individuals are sitting at a table with a laptop, a disposable coffee cup, notebooks, and a phone visible. Two are facing each other, while the third’s back is to the camera. The setting appears to be a bright room with large windows.

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