Looking to hire someone to design a circuit for a custom FM transmitter

I have not found a product that fits my needs. After I am done I will have to apply for approval anyways. If all goes well i will be producing a lot of them. Not having to pay for a prebuilt or someone else’s setup is my goal to cut cost. I would rather pay an upfront higher cost for a design then a kit. But i am open to options if you have a few to suggest. PM me if you are interested in what I am specifically looking for. I will send you my specifications so you can take a look. Maybe you have seen something I can modify to fit my needs.

thanks