Modular E-Commerce Architecture

We design and deliver bespoke commerce systems tailored to your business.

With MECA, we design and build modular e-commerce systems from catalogue and pricing to ordering, payments and ledger without the constraints of off-the-shelf platforms.

System Map

Commerce components

Component

Catalogue

Component

Pricing

Component

Orders

Component

Payments

Component

Ledger

Features

Commerce capabilities designed as modular building blocks.

MECA covers the operational core of bespoke commerce systems while leaving room for integrations, custom workflows and business-specific extensions.

Feature01

Catalogue & Product Modelling

Flexible structures for products, services or custom offerings.

Feature02

Pricing & Promotions

Dynamic pricing, discounts, coupons and promotional rules tailored to your business.

Feature03

Order Management

Full order lifecycle: creation, updates, fulfilment and returns.

Feature04

Inventory & Availability

Real-time stock, reservations and availability across channels.

Feature05

Payments & Transactions

Integrated payment flows with full control over processing and status.

Feature06

Financial Ledger

Clear, auditable financial tracking across orders, payments and refunds.

Feature07

Integrations & Fulfilment

Connect with ERP, CRM, shipping providers, postal services and RMA workflows.

Feature08

Custom Business Logic

Custom workflows, loyalty programmes, points systems and business-specific rules.

How it works

How it works

A structured approach to designing and delivering your commerce system.

Step01

Understand

Your business, processes and requirements.

Step02

Design

A modular architecture tailored to your system.

Step03

Build

Development, integration and customisation.

Step04

Evolve

Adapt and extend as your business grows.

Use Cases

Where modular commerce architecture creates leverage.

Typical scenarios where bespoke system design delivers more control, cleaner operations and better long-term adaptability.

Use case

Bespoke B2B Commerce

Design platforms with account pricing, negotiated catalogues and operational workflows built around complex business customers.

01
Use case

D2C Platform Modernisation

Replace rigid storefront and back-office limitations with modular services tailored to your commercial model.

02
Use case

Multi-Channel Operations

Coordinate catalogue, availability, pricing and fulfilment across web, internal teams and external sales channels.

03
Use case

Custom Order Orchestration

Support non-standard approval paths, fulfilment rules, returns and exception handling without forcing manual workarounds.

04
Use case

Payments and Financial Control

Build payment flows and ledger tracking that match your operational and reporting requirements.

05
Use case

Integration-Led Commerce

Connect ERP, CRM, shipping and internal systems through a modular architecture designed for change over time.

06

Demo Storefronts

Real storefront concepts built on the same modular thinking.

A preview of the kind of storefront experiences MECA can support, each shaped around a specific business model and sales flow.

Demo

Pizza2Sabore

01

A pizza storefront focused on menu browsing, flavour combinations and a fast local ordering flow.

Demo

PantryShop

02

A fictional speciality grocery storefront designed for curated bundles, recurring orders and seasonal product drops.

Backoffice Interfaces

Operational backoffice tools built for the teams running commerce every day.

Alongside storefronts, MECA can power tailored internal interfaces for catalogue control, order handling and operational decision-making.

Backoffice

Backoffice Dashboard

01

A unified internal dashboard to manage products, update prices, review order details, control inventory, track ledger activity and oversee day-to-day commerce operations.

Start the conversation

Discuss the commerce system your business actually needs.

Share your goals, constraints and operational context, and we will review how a modular architecture could support your next phase.

rafael@mulecode.co.uk

A consultant will review your request and get in touch.