Hello,
I can assist you for this project as per requirements.
Inbox me so we can discuss about your project and proceed further.
I have been proven experience with Shopify, Shopify apps/apis, RoR - Sure i can assist you for your project as per requirements.
Shopify expertise level: 7 years. I have recently created a custom Shopify App But it's not uploaded on the Shopify marketplace yet So that's why I am not sharing the link with you But I can show you during interview time through screen-sharing. I have full command of Shopify API, live data integration, pushing data into your stores, pushing data into third-party APIs, saving in Database, filtering, indexing, writing into files, showing into custom-designed Shopify public apps or Private Shopify apps.
In terms of API, I have already worked with various API's like : Paypal API, Shopify API, eBay API, Twitter API, Pixabay API, Sage API, Clipart API, Instagram API, Facebook API, Google+ API, Linkedin API, Picasa API, Flickr API, NextGen API, Affiliate Window API, eBay Trading API, Magneto REST API etc
✓ Shopify API authentication.
✓ Shopify Webhooks Implementation to fetch live data in milliseconds.
✓ Shopify background jobs with Shopify API to run any business logic on the back-end server.
✓ Shopify public apps with any custom logic for your customers.
✓ Shopify back-end any custom needs.
✓ Fetch ( Orders, Products, Inventory, Variants, Fulfillment, etc).
Regards