Senior Technical Reviewer — Flutter / Firebase / BLE — Remote

I'm looking for a senior technical reviewer for a connected product combining a Flutter mobile application, Firebase backend and Bluetooth Low Energy hardware.
This is primarily a technical review and acceptance role, not a full development assignment.
Scope
- Review the existing Flutter / Firebase architecture
- Review Bluetooth Low Energy integration and device SDK constraints
- Review technical documentation from the hardware supplier
- Help assess hardware samples against predefined technical acceptance criteria
- Review implementation plans before development
- Review critical technical deliverables
- Identify architecture, reliability and integration risks
- Document recommendations and acceptance / rejection decisions
Profile required
- 5+ years of software development experience
- Strong Flutter experience
- Strong Firebase experience
- Proven Bluetooth Low Energy experience
- Experience with connected devices / IoT
- Experience reviewing code and architecture produced by other developers
- Comfortable challenging technical decisions and documenting risks
- Strong written English
Engagement
- Remote
- Initial scope: approximately 30 hours
- Additional technical-review assignments may follow
- Expected start: to be confirmed, in the coming weeks
- Individual freelancers only, no agencies
When applying, please provide
1. Your years of experience
2. Examples of Flutter + Firebase projects
3. Specific examples of BLE / connected-device work
4. An example where you reviewed another developer or team’s architecture/code
5. Your hourly rate
6. Your availability during the next 2–3 months
Please start your proposal with the words “BLE review” so we know you have read this brief.