HubSpot, Mailchimp, and Email Deliverability Expert Needed- No Agency

We are looking for an experienced HubSpot and Mailchimp specialist to help review and improve our email marketing performance. Required skills: * Strong HubSpot CRM and Marketing Hub experience * Mailchimp campaign and audience management experience * Email deliverability knowledge * SPF, DKIM, DMARC, and sending domain setup * CRM contact cleanup and segmentation * Bounce, unsubscribe, and unengaged contact management * Email campaign performance analysis * Open rate, click rate, and deliverability troubleshooting The ideal person should be able to compare HubSpot and Mailchimp performance, identify why email results may have dropped after moving to HubSpot, and recommend practical fixes inside HubSpot before suggesting any platform change. We are looking for someone who can review the current setup, identify technical or data-related issues, and provide a clear action plan.