what are yoo looking a developer that can make your owb  coins with own blockchain or only a token base on ethereum blockchain? you should add  it in the original post so only right persons will contact you.
Just a tip you can see many services you are looking for in services section.
Like this one https://bitcointalk.org/index.php?topic=5166853.0
And this one https://bitcointalk.org/index.php?topic=5186397.0
Just check thier portfolio to see if they are the one who fit for the job you are looking.