Seeking Developer -Prototype RaspberryPi

Seeking Developer to Build Camera + Audio Sensor Prototype for Kickstarter Health Tech Project. This is for a POC for a Three device and 1 server address website destination which consist of 3 parts - 1. Use facial recognition to identify owner 2. Turn on audio recorder and collect sound and timing surrounding capture. 3. Wirelessly transfer sound from recorder to central camera base located within 4 feet and 4. Transfer data to a domain address into a file location.  
I’m developing a discreet, sensor-based hardware system that will be launched via a Kickstarter campaign. This post is for the prototype development phase only, focused specifically on the embedded hardware. The application and reporting dashboard are part of the overall vision but will be tackled in a separate phase during the Kickstarter rollout.
This project involves building two interlinked modules:

Camera Module (Local Controller + Data Hub)
This module acts as the smart node for local sensing and event transmission. It will include:
Facial Recognition to identify the primary user
Local/edge-based processing only—no image/video storage
Presence & Activity Detection to trigger audio event capture
Timestamping of events for synchronized sensor logging
Data Aggregation from a separate audio sensing module
Encrypted Transmission of event data (user ID, timing, metadata) to a backend server
Prototype Hardware: Raspberry Pi 5 (or equivalent SBC)
Camera: Small-form HD camera with facial recognition capability
Wireless Connectivity: Wi-Fi or BLE
Form Factor Goal: Flush-mounted, ≤1 inch diameter
Power: USB-C or battery-powered

 Recorder Module (Triggered Acoustic Sensor)
This secondary module captures short bursts of acoustic or vibration data only when triggered by the camera system.
Triggered Recording (trigger via GPIO, serial command, or wireless)
Data Capture Window: 5–30 seconds per event
Microphone Type Options:
Contact microphone (for vibration sensing)
Environmental microphone (for airborne sound)
Data Output: Time-aligned transmission to the camera module
Secure Data Handling: Encrypted transmission; optional blockchain-based event auditing
Power-Efficient: Low-power standby mode until triggered
Environment-Ready: Designed for use in humid indoor settings

Data Privacy and Security
End-to-end encryption will be require ultimately but not for this POC.  
Developer should be familiar with secure local processing and transmission standards
No images or sensitive data will be recorded or stored on the device.

Out of Scope for This Phase (But Coming Soon)
Please note: A mobile application and cloud-based reporting dashboard will be developed after the Kickstarter campaign launches. While not part of this deliverable, familiarity with embedded-to-cloud data pipelines and frontend/backend development will be a plus for ongoing collaboration.

 Project Summary
This is a prototype build of a privacy-forward, sensor-enabled device designed for discreet health monitoring (details withheld intentionally). Your work will be used for demonstration, early feedback, and preparation for crowdfunding and scaling.

 To Apply
Please respond with:
Your level of interest
Relevant experience (especially with Raspberry Pi, embedded vision, secure data transmission)
Questions or recommendations you have for architecture or component selection
Looking forward to working with someone who builds with purpose—even when the full picture isn’t revealed upfront.


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