Enhance & Optimize Email System via Klaviyo

We are looking for an experienced Klaviyo specialist to fix and optimize our current email setup. Must have 50+ successful Klaviyo projects and be able to start immediately.
Scope of work (4 main tasks):

Fix all Liquid template errors
Correct all personalization tags (e.g. {{ first_name }} → {{ person.first_name | default: 'friend' }})
Add fallback defaults to prevent blank values
Fix broken dynamic blocks and event variables

Fully compliant footer setup
Correct Unsubscribe, Manage Preferences, Privacy Policy links
Add physical address and List-Unsubscribe header (Gmail/Yahoo 2024 compliant)
One-click unsubscribe working perfectly

Set up proper Double Opt-in flow
Create and design confirmation email
Ensure users are tagged as “Subscribed” + Suppress Marketing = No after confirming
100% working with Shopify checkout and Meta CAPI

Inbox delivery optimization
Make all templates pass Mail-Tester / SpamAssassin < 1.5 score
Optimize image-to-text ratio, links, HTML code
Remove spam triggers so emails land in Inbox (not Promotions/Spam)


Requirements:

Klaviyo Certified Partner or 3+ years full-time Klaviyo experience
Perfect English + Chinese (Mandarin) communication
Ability to screen-share and explain every change
Fast delivery: 2–3 days max