4-Layer PCB Design Expert

I'm seeking an experienced PCB designer located in India, proficient in Altium, to design a 4-layer PCB for a consumer electronics radio device.

Key requirements include:
- Must support wireless connectivity, power management, and sensor integration
- Must meet strict size constraints

Ideal skills and experience:
- Expertise in Altium
- Experience with multi-layer PCB design
- Knowledge in wireless, power, and sensor integration circuits
- Ability to work within strict size limitations

Please provide portfolio and relevant experience.