Audio DSP Programming for Audio Filters

We are seeking a skilled freelancer to program an audio DSP module using the Sigma Studio app. The ideal candidate will have experience in audio engineering and be proficient in using Sigma Studio for creating and optimizing audio filters.
Check for more detail:

item to program
https://store.sure-electronics.com/product/800
check files and videos on that page as well to have a closer understanding of what’s all
about, thanks
knobs i need for freq select and volume for each speaker
midrange and tweeter
in a nutshell, i plan to use a 2.1 amp having freq select and vol dedicated to sub output
https://fosiaudio.com/fr/products/fosi-audio-bt30d-pro-bluetooth-5-0-2-1-channel-540w-p
ower-amplifier
at the end i will have a three way stereo crossover with amp for each speaker
for the values, i will connect you with acoustical engineer , he will help on that
typically range of freq for mid and tweeter to fit as many options existing and slope
Image below shows the signal over frequencies for a three way audio system.
this the box will have to do is the green signal
low pass for midrange (150 to 4500hz)
volume for midrange
high pass for tweeter (1500 to 20000hz)
volume for tweeter