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Web 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 Web Developer interview questions and answers.

  1. What were your responsibilities in your previous role as a Web Developer? See answer
  2. What programmeming languages do you have experience with? See answer
  3. Has a client ever been unhappy with your work? What happened? See answer
  4. What do you do to reduce the loading time of a web page? See answer
  5. Would you recommend HTTP 2.0 or HTTP 1.1? See answer
  6. What was your most challenging web development project? What happened? See answer
  7. Did you work directly with clients in your previous role? See answer
  8. What content management systems do you have experience with? See answer
  9. What are the differences between developing a website for mobile versus desktop? See answer
  10. What type of environment do you thrive in? See answer
  11. Why did you pursue a career as a Web Developer?
  12. What skills do you have that make you a good Web Developer?
  13. How do you keep up with industry news and trends?
  14. How do you explain your web development process to clients that don’t know anything about the industry?
  15. How do you ensure there are no errors in your work?
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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 Web Developer Interview Questions and Answers

What were your responsibilities in your previous role as a Web Developer?

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

  • Experience in a similar role
  • Understanding of a Web Developer's duties
  • Willingness to take on new responsibilities

Example:

"In my previous role, I was the only Web Developer, as I worked for a small company. This meant I had to design, develop, upgrade, test, and implement all of our client's web applications. I also frequently had meetings with clients to determine what their needs and requirements were. I spent a portion of my week researching competitor's content and monitoring our own progress so I could improve our processes when necessary."

What programmeming languages do you have experience with?

The aim of this question is to assess the candidate's knowledge of common programmeming languages and determine whether they will need further training. What to look for in an answer:

  • Knowledge of relevant coding languages
  • Experience working with different languages
  • Able to use the coding language your company utilises

Example:

"In my previous role, I used HTML, CSS, PHP, SQL and JavaScript. I would say I have a beginner's knowledge of PHP and SQL, but I am proficient with JavaScript, HTML and CSS as I learned how to use them at school. I am a quick learner, so I would be happy to learn any other language you use or further develop my skills."

Why did you pursue a career as a web developer?

The aim of this question is to assess the candidate's motivation behind applying for the position as a Web Developer to ensure they are passionate about their work. What to look for in an answer:

  • Enthusiasm and passion for web development
  • Experience in a similar role
  • Understanding of the position

Example:

"I originally started working as a copywriter five years ago and enjoyed seeing the results my content on client's websites could bring. I wanted to be more involved with obtaining results for clients, so I pursued web development instead and went to school for it. I really enjoyed the work I was doing in school, so I knew I made the right decision when I joined my previous web development team."

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

The aim of this question is to assess the candidate's customer service skills and experience handling conflict. What to look for in an answer:

  • Strong interpersonal and communication skills
  • Experience working with clients and ensuring they are happy
  • Ability to resolve conflict professionally

Example:

"Yes, I had a client once that was unhappy about the colour scheme of her website, even though it was one that we came up with together. I explained it was a simple fix and showed her different colour swatches to find one she was happy with. Once she found a new colour scheme, I updated the website, and she was happy."

What do you do to reduce the loading time of a web page?

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

  • In-depth knowledge of web development
  • Experience reducing web page load time
  • Confidence in their skills and abilities

Example:

"There are a variety of ways to reduce web page loading time. The first thing I do is reduce image sizes, combine and minify CSS, JavaScript, and HTML, and clean the web code. I will then check the speed of the website with Google PageSpeed Insights and make further changes if necessary."

Would you recommend HTTP 2.0 or HTTP 1.1?

The aim of this question is to assess the candidate's industry knowledge by differentiating between HTTP 1.1 and HTTP 2.0. What to look for in an answer:

  • In-depth HTTP knowledge
  • Strong decision-making process
  • Experience using both HTTP 1.1 and HTTP 2.0

Example:

"I always use and recommend HTTP 2.0 over HTTP 1.1 because it is simpler and faster. HTTP 2.0 has a higher loading speed, less broadband consumption, improves communication between browsers and allows the website to rank higher in search engines. Ultimately, HTTP 2.0 greatly improves web application performance."

What skills do you have that make you a good web developer?

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

  • Confidence in their skills and abilities
  • Skills that you are looking for in a web developer
  • Understanding the skills a web developer should have

Example:

"I think one of my greatest skills is my creativity. With so many web applications out there now, helping clients stand out is important, so developing a creative website is necessary. My creativity coupleaded with my in-depth coding knowledge allows me to be a great web developer."

What was your most challenging web development project? What happened?

The aim of this question is to assess the candidate's experience and ability to handle conflict. What to look for in an answer:

  • Ability to work well under pressure
  • Experience in a web development role
  • Strong problem solving and conflict resolution skills

Example:

"One of my most challenging web development projects was with a client that wanted their website to feature a small 8-bit game on one of the pages. I don't have a lot of software development experience, but the client insisted, and I wanted them to have their dream website. It was a huge learning experience, but I was able to input the game and the rest of the design aspects the client was looking for."

Did you work directly with clients in your previous role?

The aim of this question is to assess the candidate's customer service experience to determine if they would be a good fit for your team. What to look for in an answer:

  • Strong interpersonal and communication skills
  • Experience in a client-facing role
  • Ability to adapt to different environments

Example:

"Yes, I have been a freelance web developer for five years, so I always worked directly with clients. Having no team to rely on has made me a stronger web developer. It has improved my customer service skills greatly as well, so I can connect with a variety of clients to create their ideal website."

What content management systems do you have experience with?

The aim of this question is to assess the candidate's experience with common content management systems to determine if they will need further training. What to look for in an answer:

  • Experience with a variety of content management systems
  • Willingness to learn new content management systems
  • Knowledge of the current content management systems available

Example:

"In my previous role, I used WordPress, Drupal, Joomla and Magento. My favourite content management system is WordPress because of how customizable it is. I started using WordPress ten years ago as a beginner and built up to coding and creating a variety of websites on the platform. However, I am happy to learn how to use any content management system."

What are the differences between developing a website for mobile versus desktop?

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

  • Experience adapting a website for mobile and desktop
  • Knowledge of the differences between mobile and desktop websites
  • Confidence when describing the difference

Example:

"One of the biggest differences between developing a website for mobile over desktop is the way the user interacts with each site. For example, mobile websites must have links users can tap while desktop websites have clickable ones. Similarly, dropdown menus must be more user-friendly for mobile sites, as the space the user has to navigate on their phone is much smaller.

Finally, the orientation of the website is different on both platforms. Mobile websites must look good and be functional vertically, as that is how users will look at them on their phone. Desktop sites are landscape and thus have much more room for navigation and design."

What type of environment do you thrive in?

The aim of this question is to determine whether the candidate would be a good fit for your work environment. What to look for in an answer:

  • Able to adapt to a variety of work environments
  • Experience working in different environments
  • Understanding of the common type of environment web developers work in

Example:

"I enjoy working in an open space with a web development team. I like to consult my colleagues on problems I have or to get their opinion on my work, so having an open space and working closely together allows me to do this. I am very flexible though, so I can easily adapt to any type of environment."

 How do you keep up with industry news and trends?

The aim of this question is to determine whether the candidate is up-to-date with current industry trends. What to look for in an answer:

  • Knowledge of current industry trends and news
  • Willingness to keep their knowledge relevant and updated
  • Passion for web development and learning

Example:

"I keep up with current industry trends and news by following a few online magazines. Smashing Magazine is one of my favourite magazines for designers and developers. They post articles about current trends and techniques that I can apply to my work. I also follow some more senior developers on social media, such as Jeff Atwood, Jeffrey Zeldman, and Brad Frost. This allows me to catch up with web development news and trends in my personal life as well."

 How do you explain your web development process to clients that don't know anything about the industry?

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

  • Strong communication and interpersonal skills
  • Ability to adapt their industry-specific knowledge for different audiences
  • Experience working directly with clients

Example:

"When clients ask me questions about web development, I ensure to use simple language and leave out any industry terms. Many clients benefit from visual explanations, so I will show them my portfolio or similar examples of what they're looking for to further explain my development process."

 How do you ensure there are no errors in your work?

The aim of this question is to assess the candidate's web development process, particularly for double-checking their work. What to look for in an answer:

  • Ability to produce error-free work or easily catch mistakes
  • Experience with web development
  • Established process for catching and eliminating errors

Example:

"To ensure there are no errors in my work before launching a website, I follow a pre-launch checklist. It includes tasks, such as making sure the links work, setting up SEO keywords and content, and inputting pictures where they're meant to go. I then give the entire website another once over myself and ask a colleague to do it as well for a fresh pair of eyes to check for mistakes."

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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