Preparing for a PHP Developer (WordPress) Interview: Questions and Case Studies

As a PHP Developer with experience in WordPress, you have the technical skills necessary to take on complex projects and build efficient and effective solutions. However, when it comes to an interview, it’s important to not only showcase your technical expertise, but also your problem-solving skills, team collaboration skills, and ability to take initiative. In this article, we’ll provide you with questions and case studies you can use to prepare for your next PHP Developer (WordPress) interview.


  1. Can you explain your experience with WordPress and PHP?
  2. How have you solved complex problems in your previous projects?
  3. Can you give an example of how you worked as a team to complete a project?
  4. Can you explain your experience with Laravel and any other PHP framework?
  5. Can you discuss your experience with JavaScript frameworks and front-end technologies?
  6. Can you explain how you would approach troubleshooting a production issue?
  7. Can you give an example of a time when you had to take the initiative and take responsibility for a project?
  8. By preparing for these questions, you’ll be able to demonstrate your experience and knowledge in the field, as well as your ability to think critically and provide concrete examples of your skills.

Case Studies

Optimising a High-Traffic WordPress Website
You are a PHP Developer working on a WordPress website for a company that sells wellness products. The website has a high volume of traffic, and users have been complaining about slow load times. Your task is to optimize the website for performance.

How would you approach this task? What steps would you take to identify the issue and resolve it? What tools and techniques would you use to test the performance of the website?

Building a Custom WordPress Plugin
You have been hired as a PHP Developer to work on a custom WordPress plugin for a client. The client needs the plugin to be able to integrate with a third-party service and retrieve data from it. The plugin also needs to store this data in the client’s WordPress database and display it on the website in a specific format.

How would you approach this task? What steps would you take to understand the requirements and design a solution? How would you ensure the plugin is scalable and efficient, and can handle large amounts of data? How would you test the plugin to ensure it’s working as expected?

By preparing for these case studies, you’ll be able to demonstrate your ability to design and implement custom solutions for clients, as well as your problem-solving skills and attention to detail.

In conclusion, preparing for a PHP Developer (WordPress) interview is not only about showcasing your technical expertise, but also your ability to think critically, solve problems, and work as a team. By using the questions and case studies provided in this article, you’ll be well-equipped to impress your interviewer and secure the job.

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