Shopify CRO Developer Frontend Specialist

We’re SYNC Health, a premium personalized supplement brand built on Shopify. We’re looking for a Shopify CRO Developer who can take our detailed CRO roadmap and turn it into high-converting pages, tests, and UX improvements. This is an ongoing, part-time retainer with potential to grow.

Responsibilities:

Implement new homepage, PDP, PLP sections based on provided wireframes and copy

Set up and optimize bundles, multi-pack discounts, upsells, and cart logic

Integrate and customize Recharge, Klaviyo forms, review widgets, quiz apps, announcement bars, pop-ups

Improve site speed & mobile UX (lazy load, image optimization, CSS/JS cleanup)

Help set up simple A/B tests for hero sections, CTAs, offer blocks, etc.

Ensure clean tracking (Meta pixel, GA4 events, Klaviyo events)

Requirements:

3+ years Shopify theme dev (Liquid, Online Store 2.0, sections)

Strong HTML/CSS/JS with examples of custom sections & scripts

Experience with subscription apps (Recharge/Skio/etc.)

At least 2 proven examples where you improved conversion rate or AOV – be ready to talk metrics

Comfortable working with tools like Klaviyo, GA4, Meta Pixel

Fluent English and comfortable communicating via Slack/Notion/Loom

Nice to have:

Experience with health/supplements brands

Familiarity with CRO tools (VWO, Convert, Google Optimize legacy, or theme-based testing)

How to apply:

Send 3 Shopify stores you’ve worked on (ideally DTC brands; supplements is a big plus)

For 1–2 of them, briefly share:

What you changed

What impact it had (CVR, AOV, etc.)

Include your hourly rate and preferred monthly hours available