Civil Engineering Design Tool Development

I'm seeking an experienced software developer with a robust engineering and mathematics background to create a web-based, production-ready civil engineering design tool using Python.

The application should guide users through the following steps:
- Login
- Input: Material properties, Load conditions, Geometric dimensions
- Code-compliant calculations
- Generate clear design reports

Ideal candidates will have:
- Expertise in Python/Django
- Strong understanding of civil engineering principles
- Experience in developing web applications
- Ability to create intuitive user interfaces
- Proficiency in implementing secure authentication and data handling

Please provide a portfolio demonstrating relevant experience.