Hi there, I just read your posting. It sounds like you need to integrate your database(CRM) with Mailchimp.
I am well confident about this project and execute it without any trouble. I am certified CRM Consultant and developer and have experience with Custom Objects, Custom Fields, Roles, Profiles, Page Layouts, Workflows, Apex Triggers, Validation Rules, Custom Tabs, Visual force Pages, Report & Dashboards, Lightning Component, Lightning web component, Process Builder and Email Template, AppExchange Apps, Data Automation, Batch, Integration, Schedule, Email Services, Web to Lead forms.
I have good hand on 1) Salesforce 2) MS Dynamics365 3) SUITE CRMand other open source CRM.
Initiate the chat so we can move forward!
Thanks
Shivani