Engineering Portfolio

Systems & Case Studies

A comprehensive directory of production applications, RAG pipelines, multi-warehouse systems, and custom automation services.

AI / RAG / Automation01

AI-Powered Knowledge Assistant

RAG-powered internal knowledge engine vectorising documentation for hallucination-free, grounded Q&A.

SYSTEM ARCHITECTURE FLOWClick stage to inspect
RAGOpenAI APIVector EmbeddingsVector DatabaseSemantic SearchNode.jsPython
Full-Stack / Inventory / E-Commerce02

Multi-Warehouse ERP & WMS

Custom multi-warehouse ERP and real-time WMS synchronising inventory across storefronts and physical hubs.

SYSTEM ARCHITECTURE FLOWClick stage to inspect
Laravel LTSReactMySQLShopify APIShopware APIREST APIsDocker
AI / Automation / Workflows03

AI Customer Support Automation

Intelligent email support pipeline combining N8N, Python, and OpenAI for intent extraction and contextual response generation.

SYSTEM ARCHITECTURE FLOWClick stage to inspect
N8NPythonOpenAI APIREST WebhooksWorkflow AutomationEmail APIs
Full-Stack / Real-Time / Cloud04

Zotel.ai — Hotel Automation Platform

End-to-end hotel operations platform with real-time OTA calendar sync and an AI WhatsApp concierge.

SYSTEM ARCHITECTURE FLOWClick stage to inspect
RemixNode.jsChannex APIOpenAI APIWATI (WhatsApp)WebSockets / SSEAWS EC2DockerNginx
E-Commerce / Architecture / Infrastructure05

E-commerce Migration & Multi-Store Platform

Zero-data-loss Shopware-to-Shopify migration service with custom Liquid theme development and multi-store architecture.

SYSTEM ARCHITECTURE FLOWClick stage to inspect
ShopifyShopware 5/6Shopify LiquidTwigNode.jsPythonREST APIsDNS / Domains
Backend / Microservices / Integrations06

B2B Order Integration Service

NestJS microservice standardising and automating order pipelines between e-commerce and fulfilment operations.

SYSTEM ARCHITECTURE FLOWClick stage to inspect
NestJSTypeScriptNode.jsShopware 6 APIREST APIsDockerLinux
Shopify / Integrations07

Shopify Events Calendar App

Embedded Shopify Admin app synchronising promotional events with Google Calendar API.

SYSTEM ARCHITECTURE FLOWClick stage to inspect
Shopify App BridgeReactGoogle Calendar APINode.js
Frontend / Micro-Interactions08

Shopify Add-to-Cart Animation App

Storefront app providing configurable animation micro-interactions with real-time settings synchronisation.

SYSTEM ARCHITECTURE FLOWClick stage to inspect
Shopify App BridgeJavaScript (ES6+)CSS3 AnimationsShopify Liquid