Full-Stack Developer (FastAPI + React Native) for Raspberry Pi Remote Media App

We are looking for a skilled, trustworthy Full-Stack Developer to build a mobile platform that allows users to remotely manage downloads (Usenet, torrents, FTP) on their home Raspberry Pi. The system involves a cloud backend, a local Raspberry Pi client daemon, and a React Native mobile app utilizing Keycloak SSO and automated DynDNS routing.

Core Tech Stack
• Backend: Python (FastAPI), Docker, MySQL 8, Keycloak (IAM)
• Frontend: React Native (iOS & Android)
• Integrations: INWX DynDNS API, OMDb API, xrel.to scraper, Apple/Google In-App Subscriptions

Full Project Description
We have prepared a comprehensive specification covering architecture, authentication workflows, and functional requirements.
Please review the full details here: https://docs.google.com/document/d/1R-73bxnjsCbd6eEp3aiOxcfFdwusQX4_k6iJuRWXm7k/edit?usp=sharing

Key Requirements
• Proven experience combining Python (FastAPI) backends with React Native frontends.
• Experience configuring identity providers, specifically Keycloak SSO (Apple/Google/Microsoft logins).
• Comfort working with Linux, Docker, and hardware configurations (Raspberry Pi, network protocols like SMB/NFS).
• Strong security mindset for handling remote networking, APIs, and firewalls.

How to Apply
Please review the linked document before applying. To filter out automated bots, applications that do not start with the phrase "Pi-Downloader Built Secure" will be ignored.
In your proposal, briefly highlight your experience with Keycloak/SSO integration and React Native + FastAPI ecosystems.