WaitRunner Restaurant Self-Ordering

Table QR orders into an iPad kitchen Control Center without duplicating the Square catalog.

OutcomeQR self-ordering with real-time kitchen Control Center for Square restaurants

POSQR OrderingSquareNext.jsReact NativeGraphQLAWSServerless

Square POS add-on

RestaurantTech product build

Restaurant dining room ready for self-ordering — Operations · RestaurantTech · POS

The Challenge

Restaurants on Square POS needed a self-ordering layer where customers could place table-linked orders without rebuilding menus and modifiers in a second system.

The Results

SquarePOS catalog reused instead of duplicated
RealtimeKitchen orders via GraphQL subscriptions
PastProduct later shut down; case study uses past tense

QR self-ordering with real-time kitchen Control Center for Square restaurants
Square, POS catalog reused instead of duplicated
Realtime, Kitchen orders via GraphQL subscriptions
Past, Product later shut down; case study uses past tense

What We Built

We built WaitRunner as a QR self-ordering platform for US restaurants. Customers scanned table-specific QR codes, ordered from a Next.js menu synced from Square catalog data, and orders appeared in a React Native iPad Control Center through GraphQL subscriptions. The product is now shut down, so this case study is written in past tense.

How We Delivered

Built a customer-facing Next.js menu app with table-specific QR ordering.

Synced Square POS catalog and modifier structure into WaitRunner so restaurants did not duplicate menus.

Delivered a React Native iPad Control Center with real-time order pop-ups, print, prepare, and charge workflows via GraphQL subscriptions.

Ran the backend on DynamoDB and AWS Lambda as a serverless order-processing stack.

Scope of Work

QR menu and table-linked customer ordering
Square catalog and modifier synchronization
iPad Control Center for kitchen and staff
Serverless GraphQL order pipeline on AWS

Tech Stack

Tools we deployed in production, not just POC'd.

Next.jsReact NativeDynamoDBAWS LambdaGraphQLGraphQL subscriptionsSquare POS

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