Modify Data Portal User Interface

I'm looking for a skilled freelancer to make modifications to the user interface of my existing data management portal. The project involves changing the layout/design and adding new features and buttons to enhance functionality.

Key Requirements:
- Implement changes to the layout and design as specified in the detailed design document.
- Add new features and buttons to improve user interaction and functionality.
- Ensure the modifications are seamlessly integrated with the existing system.

Ideal Skills and Experience:
- Strong experience in UI/UX design and development.
- Proficiency in implementing design changes and adding new features to web portals.
- Ability to work with detailed design documents and translate them into functional interfaces.

If you have the expertise to bring these modifications to life, I look forward to your bid!