Shopify App Developer Needed — Retail Selling Dashboard (Next.js, Full Build)

We are building Selling Dashboard — a Shopify-connected weekly sales reporting tool for DTC brand managers. Think of it as a retail buying office selling report, built natively on Shopify. WTD/MTD/QTD/YTD, TY vs LY, Regular vs Markdown, AUR, Weeks on Hand — all live, all automatic, no more Excel.

This is not a greenfield project. We have done significant pre-work:

Full product specification (v4.0, 34 locked decisions)

HTML/CSS/JS prototypes for every screen — Summary, Launch Recap, Performers, Reorder, Onboarding, Settings, Monday morning email

Next.js starter codebase with all API routes, Shopify OAuth, data pipeline, database schema, and TypeScript types written

Signed NDA required before materials are shared

What we need you to build:

React frontend components wired to the existing API routes

Shopify App Bridge integration for embedded app behavior

Proper session management and webhook handlers

Production hardening and deployment on Vercel

Shopify App Store submission and approval

Required:

Published Shopify app (link required in your response)

Strong Next.js + React + TypeScript

Shopify Admin API — orders, products, inventory, refunds

PostgreSQL and Prisma ORM

Shopify App Bridge experience

To respond, please include:

A link to a Shopify app you have built and shipped

What you see as the hardest part of this build

Your proposed approach — timeline, fixed price or hourly, milestones

Proposals without all three will not be reviewed. We are looking for the most experienced Shopify developer, not the lowest bid.

Please note that a 30 min video call will be requested prior to hiring.

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