Back-end Drupal Developer Interview Questions

The goal for a successful interview for a Back-end Drupal Developer is for the candidate to demonstrate comprehensive knowledge of Drupal frameworks, proficiency in creating and customizing modules, and ability to optimize website performance through efficient coding practices.

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Situational interview questions

  • Situation: A client has requested a complex feature on their Drupal website that requires integration with a third-party system. However, the documentation for the integration is incomplete and you are unable to successfully implement the feature.
  • Situation: The database for a Drupal website you're working on has become too large and slow, affecting site performance. Your project manager has requested that you optimize the database to improve site speed.
  • Situation: A new module needs to be added to a Drupal website, but the module conflicts with another one currently in use on the site. You need to find a way to implement the new module without disrupting the existing functionality of the website.
  • Situation: A website you're working on has suddenly stopped functioning properly, and users are experiencing errors when trying to use the site. You've discovered that the issue is with a specific section of the code, but you're unable to identify the exact problem.
  • Situation: A Drupal website needs to be optimized for speed, and you've been tasked with identifying and fixing any performance issues.

Soft skills interview questions

  • How do you communicate with team members on a project to ensure everyone is on the same page and tasks are completed efficiently?
  • Can you explain a time when you had to resolve a conflict with a team member or stakeholder during a project? How did you handle the situation?
  • How do you stay organized and manage your time effectively when working on multiple projects simultaneously?
  • Describe a time when you had to think creatively to find a solution to a complex problem.
  • How do you handle stressful situations or tight deadlines? Can you give an example of when you had to manage such a situation and how you ensured successful project completion?

Role-specific interview questions

  • What is the hook_menu() function in Drupal? How does it work?
  • Have you worked with custom module development in Drupal? Can you explain the process of creating a custom module?
  • Can you walk me through the process of debugging a module in Drupal? What tools do you use to debug Drupal code?
  • How do you troubleshoot performance issues on the Drupal website? Can you provide some examples?
  • Have you worked with Drupal 8? How has the architecture changed compared to Drupal 7?

STAR interview questions

1. Can you tell me about a particularly challenging project you worked on as a back-end Drupal developer? (Situation) What was your specific task or assignment for that project? (Task) Walk me through the actions you took to address the challenge. (Action) What was the end result of your work on that project? (Result)

2. Have you ever dealt with a critical site issue that was impacting the user experience? (Situation) What was your role in resolving the issue? (Task) What specific steps did you take to address the issue? (Action) What was the outcome of your actions? (Result)

3. Can you give an example of a time when you needed to create a custom module to meet a specific client's needs? (Situation) What was the specific task or assignment you were given to complete this project? (Task) What steps did you take to create the module? (Action) What was the result of the implementation of the custom module? (Result)

4. Tell me about a specific instance when you had to troubleshoot a website that was experiencing performance issues. (Situation) What was your role in addressing the issue? (Task) What specific steps did you take to troubleshoot the issues and improve site performance? (Action) What was the final outcome of your efforts? (Result)

5. Can you give an example of a time when you had to integrate a new third-party system into a Drupal site? (Situation) What was your specific task or assignment for that integration project? (Task) What specific steps did you take to integrate the third-party system? (Action) What was the result of your work on that project? (Result)

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