About Mellow
Mellow Sleep is one of the fastest growing consumer brands in the U.S., scaling from $0 to nine figures in revenue in under two years.
We are the #1 Home brand on TikTok Shop and are rapidly expanding across major retail and commerce channels, including Target, QVC, Walmart, Amazon, and wholesale.
As we continue to scale, we are looking for a Senior Shopify Developer to take technical ownership of our Shopify ecosystem and the integrations that power a high volume DTC and omnichannel operation.
The Role
You will be the technical owner of our Shopify Plus storefront and connected ecommerce systems. This is not a theme tweaks development role.
You will be responsible for architecting, building, and maintaining the infrastructure behind a $300M+ ecommerce brand operating simultaneously across DTC, TikTok Shop, Amazon, retail, and wholesale channels.
You will work closely with our growth, marketing, operations, product, and finance teams to ensure our commerce infrastructure is quick, reliable, scalable, and built to support continued aggressive growth.



You will also mentor and review the work of junior Shopify developers on the team.
What You Will Own
Shopify Architecture and Development
Full ownership of Shopify Plus architecture, performance, and custom development
Custom Liquid, JavaScript, React, Node.js, and Hydrogen development as needed
Checkout optimization and conversion focused development
Site speed, Core Web Vitals, and overall storefront performance
QA, staging environments, testing, and deployment pipelines
Integrations and Commerce Infrastructure
TikTok Shop integration, including catalog sync, order routing, and inventory management
3PL integrations and fulfillment logic across multiple warehouses
Custom Shopify apps, APIs, webhooks, and middleware
Integrations with platforms such as AfterSell, Loox, Triple Whale, Klaviyo, and other core ecommerce tools
Data flows between Shopify, ERP, fulfillment, analytics, and reporting systems
Technical

📌 Senior Shopify Developer (India)
🏢 Mellow Sleep
📍 India