Full Stack Mern Developer specializing backend

We are looking to hire 1 full-time back end programmer for a possible permanent position. It is a large project. We are interested in solo freelancers and want to be part of a long-term project. The project is a security app for the Sex work industry. we have hired two full time positions and need 1 more. we will give you the job to begin. you will estimate the job and if your work is satisfactory you will have the opportunity to continue as full time. front end knowledge and design is also preferable, but not necessary. extensive back end knowledge is a necessity.

Full project,
https://www.figma.com/file/mC25dNwKPHKRz9RogsQ8YC/Font-Replacer-(Community)-(Copy)-(Copy)?type=design&mode=design&t=tfTa2TiCfxeVe4NR-0

Current Task
https://www.figma.com/file/d7D5XGihE6tdMZ1oJ0tq54/Font-Replacer-(Community)-(Copy)?type=design&mode=design&t=tfTa2TiCfxeVe4NR-0