Laravel Script Enhancement

I'm looking for a skilled Laravel developer to enhance my file-sharing script. The project requires two main improvements:

1. **Download Resume Support**:
- Implement pause and resume functionality for downloads.

2. **Office/Video File Preview**:
- Add preview support for:
- Office files: Word documents, Excel spreadsheets, PowerPoint presentations.
- Video files: MP4 format.
- The script is already supporting images and PDF preview.

Ideal skills and experience:
- Strong expertise in Laravel
- Experience with file handling and previews
- Familiarity with front-end technologies for a smooth user interface

Please provide your portfolios and relevant experience.