Feature-rich, Secure Web-based Financial App

I'm looking for a developer to create a small, budget-friendly, yet feature-rich and secure web-based financial application. This software should be capable of managing multiple users and maintaining their data securely and encrypted on the cloud.

Key Requirements:
- Robust App Development : The most critical functionality of this application is to allow numerous users to use all options comfortably.
- Cloud-based: The application should be developed under the Software as a Service (SaaS) model, hosted on a cloud server.

Strong knowledge and experience in these Preferred Technologies:
- Frontend: React ( or Dot.Net )
- Backend: Python ( or C++, C#, Dot.Net )
- Database: MySQL

Ideal Skills and Experience:
- Extensive experience in developing secure, cloud-based applications.
- Proficiency in the preferred technologies, with a strong portfolio of work in the chosen frontend and backend technologies.
- Strong understanding and experience with user management systems within applications.
- Knowledge of encryption methods for data security.
- Prefer a Software Development Company with strong development history.