SaaS CRM Development - Golang Expert Required -- 2

I'm on the lookout for a development agency with expertise in SaaS and Golang,

We are planning to create a CRM similar features to the one found here: https://www.vtiger.com/all-in-one-crm/.

SaaS/Multi tenancy architecture required. Current one is single tenant.
Should be modular and microservices based architecture.
Code quality would be tested during and after development.
Proper webservices and API layer.
UI/UX to be done from scratch - existing in Vue js. To be redesigned in Vue js.

Please only bid if your agency has the ability to deliver high-quality work within the stipulated timeframe. Looking forward to your proposals!