Digital Logistics Tracking Platform Development

I'm seeking an experienced freelance developer to create a digital logistics platform primarily for tracking shipments. This project is urgent and needs to be completed ASAP.

Key Requirements:
- The platform should provide real-time tracking of shipments.
- User-friendly interface for both desktop and mobile.
- Secure login for multiple user roles.
- Integration with major shipping carriers APIs.
- Robust backend to handle large volumes of data.

Ideal Skills and Experience:
- Proven experience in developing logistics or tracking software.
- Strong background in API integration.
- Expertise in UX/UI design.
- Experience with scalable backend technologies.
- Ability to provide past work, relevant experience, and detailed project proposals.

Please include your portfolio and a detailed project plan in your bid. Looking forward to your proposals!