Zigbee Smart Home Setup

I'm looking for an expert to set up smart home devices using Zigbee. The setup should be compatible with my preferred system, which is Amazon Alexa.

Key Requirements:
- Control lighting, security systems, and thermostats via Zigbee
- Integrate all devices for complete home automation
- Ensure compatibility with Amazon Alexa

Ideal Skills and Experience:
- Proven experience with Zigbee and smart home integrations
- Familiarity with Amazon Alexa and its ecosystem
- Strong technical skills in home automation systems
- Attention to detail and ability to provide a seamless setup

Please provide examples of previous work and a timeline for completion.