Comprehensive ERP Development for Construction

I'm looking for a skilled developer to create an ERP software tailored for my construction firm.

Key requirements include:
- Modules: Project Management, Inventory Management, Financial Management, HR
- Project Management Focus: Task Scheduling, Resource Allocation, Progress Tracking
- Platform Support: Desktop, Web, Mobile

Ideal candidates will have:
- Experience in developing ERP systems, especially for the construction industry
- Strong knowledge of project management principles and practices
- Proficiency in cross-platform software development
- Ability to create user-friendly interfaces and ensure seamless functionality across all devices

Please provide examples of previous work and a detailed project plan.