shop_mcp_server
An MCP server in Rails that gives Claude real access to a store's products, orders and inventory, with semantic search on pgvector.
Rails 8.1 · MCP Ruby SDK · PostgreSQL · pgvector · Voyage AI · RSpec
At a glance
- Role
- Senior Ruby on Rails Engineer, AI integration
- Experience
- 7+ years, 4+ of them in Shopify and e-commerce
- Core stack
- Rails, PostgreSQL, Sidekiq, React, Hotwire, RubyLLM, MCP
- Location
- Lahore, Pakistan (UTC+5), working U.S. and European hours
- Availability
- Now, for remote full-time, contract or project work
About
I am a senior Ruby on Rails engineer with 7+ years of production work for clients in the US and Germany, 4+ of them on Shopify and e-commerce. I contributed to five apps on the Shopify App Store (three also on BigCommerce) and built catalog, order and marketplace integrations.
I am also an AI engineer who builds agentic AI in Rails. I build MCP servers, RAG on PostgreSQL with pgvector, and agents that use real application data through narrow tools and ask before any write, inside the Rails stack a team already runs instead of a separate Python service. I also automate business processes with AI workflows, in n8n or in code.
I am based in Lahore, Pakistan, and hold a B.S. in Information Technology from Sindh Agricultural University. I use the handle mjesar on GitHub and LinkedIn.
Featured projects
ai_shop_assistant
A shopping chat where the AI searches Shopify's live catalog over MCP instead of making products up.
Rails 8.1 · RubyLLM · Gemini · Hotwire · Solid Queue · MongoDB
product_geo_agent
An AI agent that scores how discoverable a Shopify product is to AI shopping assistants (GEO and AEO).
Rails 8.1 · little_ghost · Gemini · Shopify Storefront API · RSpec
support_engineer
A Rails support agent, in progress, that looks up real order data with tools and is designed to ask a human before any risky action.
Rails 8.1 · PostgreSQL · RubyLLM · Groq · RSpec
Open source: shop_mcp_server, ai_shop_assistant and product_geo_agent are public on GitHub, and I have three merged pull requests in the little_ghost Ruby agent framework (#112, #113, #115).
What I work on
- Full-stack Ruby on Rails development: new apps and MVPs, and features and fixes in apps already in production.
- AI engineering and integration: agentic AI, workflow automation, MCP servers, RAG and agents that work with your real data.
- Shopify, BigCommerce and e-commerce: apps, checkout customization and data sync across stores and marketplaces.
- AI discoverability for brands and online stores: making products and brands easy for AI assistants to understand, describe correctly and recommend.
Who I work with: product teams, agencies, founders and store owners.
Experience and education
MGLogics
Ruby on Rails developer, Shopify & BigCommerce app development · Dec 2021 to Jun 2026 · Remote
Shopify and BigCommerce apps, catalog and order sync, and Amazon SP-API integrations. Worked daily with US clients.
SimpleDeploy
Backend engineer · Apr 2019 to Dec 2021
Rails REST APIs on SQL and NoSQL databases, and management MVP tools for German clients.
Axiom Enterprises
Python AI Bootcamp · Sep 2018 to Feb 2019
Python web apps with Flask and integrated machine learning models (TensorFlow and Keras), from training to testing, in team and individual projects.
Sindh Agricultural University
B.S. in Information Technology (Software) · 2012 to 2017
Get in touch
Available now, and I usually reply within a few hours. Tell me whether you want a full-time hire, a contract, or a project.