Top 20 Interview Questions & Answers for WordPress Developer Roles – 2025

Preparing for a WordPress Developer job interview? This guide provides a list of essential questions and answers that will help you showcase your technical expertise, problem-solving abilities, and experience developing WordPress websites and themes. Whether you’re applying for a role at a small agency or a large corporation, these questions cover all key areas of the job.

General Questions

• 1. Tell me about your experience working with WordPress.
  Answer: I have been working with WordPress for the past five years. I am familiar with its core features and have experience customizing websites using WordPress themes and plugins. I have also worked on developing custom themes and plugins for clients.
• 2. What do you think are the most important skills for a WordPress developer to have?
  Answer: In my experience, the most important skills for a WordPress developer include proficiency in PHP, CSS, HTML, and JavaScript. A strong understanding of WordPress architecture and databases is also crucial, along with the ability to troubleshoot and problem-solve.
• 3. How do you keep up-to-date with the latest changes and updates in the WordPress community?
  Answer: I regularly attend WordPress meetups and conferences to stay updated on the latest developments. I also follow WordPress news sites and blogs, such as WP Tavern and WP Beginner, and participate in online forums and communities.
• 4. Can you tell me about a time when you had to troubleshoot and resolve a technical issue on a WordPress website?
  Answer: In a past project, I encountered a bug that was causing a plugin to crash on a client's website. After reviewing the error logs and testing different solutions, I discovered that the plugin was conflicting with a theme function. I resolved the issue by modifying the function and informing the client about the change.
• 5. How do you approach security when developing a WordPress website?
  Answer: I prioritize security by using secure passwords and regularly updating themes, plugins, and WordPress core. I also follow WordPress coding standards and practices to prevent vulnerabilities in my code.

Technical Skills & Experience

• 6. How do you handle slow loading times on a WordPress website?
  Answer: I start by optimizing images and minifying code to reduce file sizes. I also use caching plugins and performance monitoring tools to identify and resolve any other issues causing slow loading times.
• 7. Can you explain the difference between a child theme and a parent theme in WordPress?
  Answer: A parent theme in WordPress is the main theme used for a website, while a child theme inherits its styles and functionality from the parent theme. Child themes allow for easier customization without altering the original parent theme.
• 8. How do you ensure cross-browser compatibility for a WordPress website?
  Answer: I test the website on all major browsers, including Chrome, Firefox, Safari, and Edge. I use browser developer tools to identify and address any styling or functionality issues specific to certain browsers.
• 9. Can you give an example of a custom WordPress functionality you have developed?
  Answer: In a recent project, I developed a custom post type and taxonomy for a client's portfolio section. This allowed them to easily add and categorize their project pages without the need for any coding.
• 10. How do you handle conflicts between plugins on a WordPress website?
  Answer: First, I try to determine which plugins are causing the conflict by deactivating them one by one. If the issue persists, I check for known conflicts between the plugins and contact the plugin developers for assistance. If necessary, I find alternative plugins with similar functionality.

Behavioral Questions

• 11. How do you handle tight deadlines and multiple projects at once?
  Answer: I prioritize my tasks and create a schedule to ensure that I can meet all deadlines. If necessary, I communicate with my team to delegate tasks or ask for assistance. I also try to be proactive and anticipate any potential issues that may arise.
• 12. Can you give an example of how you have improved a client's website in a past project?
  Answer: In one project, I implemented a caching plugin and optimized the website's images to improve its loading speed. This resulted in a significant decrease in bounce rate and an increase in conversions for the client.
• 13. How do you handle receiving constructive criticism or feedback on your work?
  Answer: I view feedback as an opportunity to improve and grow. I try to remain open-minded and take the time to understand the reasoning behind the criticism. I then use the feedback to make any necessary improvements to my work.
• 14. How do you stay organized and keep track of your tasks and deadlines?
  Answer: I use a project management tool, such as Trello or Asana, to keep track of my tasks and deadlines. I also prioritize my tasks and keep a detailed schedule, which I review and adjust regularly.
• 15. Can you tell me about a time when you had to work on a project with a tight budget?
  Answer: In a past project, the client had a limited budget for a website redesign. To accommodate, I recommended using a pre-made theme and customizing it to fit their needs, rather than developing a custom theme from scratch. This allowed us to stay within budget and still deliver a high-quality website.

Situational Questions

• 16. How would you handle a client who is not satisfied with the design of their website?
  Answer: I would first listen to the client's concerns and try to understand their vision for the website. I would then explain any design choices I made and offer alternative solutions that align with their goals. Ultimately, the client's satisfaction is my priority, and I would make any necessary changes to ensure they are happy with the end result.
• 17. Can you walk me through how you would handle a website outage?
  Answer: First, I would check for any recent changes or updates that may have caused the outage. If necessary, I would revert to a previous version of the website. If the issue is not related to changes or updates, I would contact the hosting provider for further assistance.
• 18. How do you handle conflicting feedback from different stakeholders (e.g. the client, designers, project manager)?
  Answer: I try to listen to all parties and understand their perspectives. If the feedback is conflicting, I would prioritize the client's goals and vision for the website. If necessary, I would schedule a meeting or call to discuss and come up with a resolution that satisfies all parties involved.
• 19. If a client requests a functionality that would significantly increase the development time and budget, how would you handle it?
  Answer: I would explain the potential impact of the requested functionality on the project timeline and budget. If the client decides to proceed with the change, I would discuss options for adjusting the project scope or timeline to accommodate it.
• 20. Can you give an example of how you have utilized SEO best practices in a past WordPress project?
  Answer: In a past project, I ensured all images used on the website had proper alt tags, optimized meta titles and descriptions, and implemented a sitemap and robots.txt file. I also performed keyword research and used those keywords strategically throughout the website's content. These efforts resulted in improved search engine rankings and increased organic traffic for the client's website.