Hello,
I understood and can assist you to complete both the mentioned tasks WITHIN 1 Day OR LESS, as needed (i.e. Resync Magento 1.7 with Mailchimp + Patch SUPEE-10570 installation).
I am Magento/Mailchimp Expert with 7.5 years of proven experience. I can handle all aspects of M1 & M2 sites such as Design, Development, Customization, Extension Integration, SEO, Speed Optimization, Security Patches Installation, Troubleshooting, Maintenance and Upgradation.
Please inbox me for further project discussion in detail. Looking forward to hear back from you.
Regards,
Ankit Bansal
Note: I am available and can start working IMMEDIATELY.