I'm looking for Spring framework expert

Creation of a platform for connecting your ecommerce via plugins, with various markeplace and Italian couriers.
I would like the program to be created in Spring, I think it is the best solution

the platform becomes the center of the product catalog, the products are exported to the ecommerce site (prestashop, magento etc), the products are exported to the marketplaces (ebay, amazon, etc), the orders are imported from the ecooerce and from the markeplace and then sent to the courier for shipping

repricer:
the prices of the products are set in the platform with a minimum and maximum price, the prices of the products in the various marketplaces adapt to the competition to obtain the buybox

customer service:
all the messages of the customers of the various markeplace are visible in the platform and it is possible to send a reply
Marketplace:
Amazon
Mano Mano
Trovaprezzi
eprice
Ebay
leroy merlin
otto
Rakuten
Allegro
Zalando
emag
cdscount

connector for:
Magento
woocommerce
prestashop
spotify

courier:
Sda
Tnt
Gls
Dhl
Brt
Poste italiane