Finalize GR5513 RF Board Design

I already have a near-complete Bluetooth LE board built around the Goodix GR5513. The digital section is proven, but the RF side still needs refinement before I can send to fabrication. first i would... (Budget: $30 - $250 USD, Jobs: Bluetooth, Circuit Design, Electrical Engineering, Electronics, Embedded Systems, PCB Layout, Prototyping, Signal Processing)