Informative Popup Implementation in Node.js

I need a proficient Node.js developer to augment my current project with a new functionality. I want an informational popup created contingent on a particular result.

Key responsibilities will include:
- Utilizing Node.js to develop a new functionality
- Implementing an informational popup following a specific result

Ideal candidates should have:
- Significant expertise in Node.js
- Strong record of using Node.js for creating popups
- Familiarity with best practices for implementing new functionalities
- Excellent debugging and problem-solving skills.