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E-commerce & CMS

Custom E-commerce Development

When an off-the-shelf store stops fitting, we build custom commerce: headless storefronts on Next.js with Shopify or Medusa behind them, multi-vendor marketplaces and B2B ordering portals. We connect them to your ERP, POS and inventory systems and take payments with Stripe. Past builds include the Merchant Deals marketplace, the Nature Shire B2B food export platform and the Chore Tools power-tools marketplace.

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Fixed, itemized quote after a free 30-minute call 5.0 on Clutch & GoogleHeadless storefrontsMulti-vendor marketplacesB2B portalsERP & POS integration
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(01)Scope

What’s included.

Commerce platforms for catalogues a theme can’t handle

  • 01

    Headless storefronts

    Next.js front ends on Shopify or Medusa, server-rendered for speed and SEO, with full control of the design.

  • 02

    Multi-vendor marketplaces

    Vendor onboarding, listings, commissions and split payouts with Stripe Connect.

  • 03

    B2B portals

    Company accounts, negotiated price lists, quotes, purchase orders and reorder lists for trade buyers.

  • 04

    ERP, POS and inventory

    Two-way sync of products, stock, orders and customers with your ERP, POS and warehouse systems.

  • 05

    Custom checkout flows

    Deposits, split shipments, approval steps or product configurators that standard checkouts can’t support.

  • 06

    Search and catalogue

    Algolia or Elasticsearch search, faceted filters and catalogue tools built for tens of thousands of SKUs.

(02)Use cases

What we build with it.

  • Marketplaces

    Multi-vendor and deals platforms, such as the Merchant Deals marketplace and the Chore Tools power-tools marketplace and apps.

  • B2B ordering and export

    Wholesale and export ordering for trade buyers, from company accounts to bulk orders, such as the Nature Shire B2B platform.

  • Headless brand storefronts

    A fast Next.js storefront with Shopify running products, inventory and checkout behind the scenes.

(03)Outcomes

What you get.

  • A storefront you fully control
  • Systems that stay in sync
  • Faster pages and stronger SEO
  • Built around your pricing rules
  • Code and data you own outright

Every project includes

  • A dedicated project manager and one point of contact
  • Fixed, itemized quotes with no hidden fees
  • Weekly demos and a live staging link from week one
  • Code reviews, automated tests and manual QA
  • 30 days of free support after launch
  • NDA on request and full ownership of code and designs

(04)Process

How the project runs.

Clear milestones, weekly demos and a daily written update, so there are no surprises at the end.

  1. 01

    Commerce discovery

    We map your catalogue, pricing rules, order flow and every system the platform has to talk to.

  2. 02

    Architecture and data model

    We choose the commerce engine, design the data model and agree API contracts with your ERP or POS vendor.

  3. 03

    Build in milestones

    Storefront, vendor or buyer portals and integrations delivered in milestones, each demoed on staging.

  4. 04

    Load test and launch

    Load testing for peak traffic, a soft launch with real orders, then full cut-over and monitoring.

(05)Technology

Tools we use.

We choose proven tools for each project and explain every choice. No lock-in: you own the code, the accounts and the designs.

  • Next.js
  • React
  • TypeScript
  • Shopify
  • Medusa
  • Stripe
  • Node.js
  • PostgreSQL
  • Algolia
  • Redis

(06)Engagement

Ways to work with us.

Every project is quoted to your scope. After a free 30-minute call you get a fixed, itemized quote before any work begins.

See packages
  • Fixed-price project

    Fixed quoteCustom quote

    A clear scope, a fixed quote and a timeline. Best for websites, stores and MVPs.

    • Itemized quote up front
    • Milestone-based payments
    • 30 days of free support
  • Hourly

    Billed hourlyCustom quote

    Senior developers and designers when you need them, billed in 15-minute steps.

    • No minimum commitment
    • Weekly time reports
    • Ideal for fixes and features
  • Dedicated developer

    Monthly, full-timeCustom quote

    A full-time engineer on your team, managed by us. Scale up or down month to month.

    • Onboarding in about a week
    • Daily stand-up notes
    • Cancel any month

(07)Work

Selected projects.

All projects
01Arya Diamonds, shopify diamond store by Digital Prism

Arya Diamonds

Shopify diamond store

A Shopify store for certified diamonds and gemstones: natural, lab-grown and fancy colour stones graded by GIA and IGI, shoppable by shape and budget, with fully insured delivery and 30-day returns.

ShopifyVisit site
02Merchant Deals, deals marketplace by Digital Prism

Merchant Deals

Deals marketplace

A deals and experiences marketplace connecting merchants with deal-hungry consumers, with trending and popular offers.

React · Laravel · WooCommerce

(08)FAQ

Common questions.

Still have a question?

Talk to a person, not a bot. Message us on WhatsApp at +1 (514) 919-5536 or send a note, and we will reply within one business day.

WhatsApp usWhatsApp usSend a messageSend a message
01How is custom e-commerce development priced?

You get a fixed, itemized quote after a free 30-minute call. Custom commerce projects typically take 8–12 weeks, and marketplaces, B2B portals and ERP integrations are quoted on scope after a discovery session, with every item listed. If a standard Shopify or WooCommerce store will do the job, we will say so, since it costs far less.

02When does headless commerce make sense?

Headless suits brands that need a highly custom front end, very fast pages, content from a separate CMS, or one backend serving a website, an app and in-store screens. It costs more to build and maintain than a theme. For most stores without those needs, a well-built Shopify theme is the better choice.

03Shopify, Medusa or a fully custom backend?

Shopify as a headless backend gives you a managed, PCI-compliant checkout and a large app ecosystem. Medusa is open source and can be self-hosted, so you control pricing logic, data and hosting with no platform fee. A fully custom backend makes sense only for unusual models, such as complex marketplaces, and we usually build those on Node.js or Laravel with PostgreSQL.

04Can you integrate with our ERP or POS?

Yes, as long as the system has an API, a database we can read or a reliable export. We connect stores to inventory, accounting and point-of-sale systems such as NetSuite, Odoo or QuickBooks Online with scheduled or real-time sync. Every integration includes logging and alerts, so a failed sync is caught quickly instead of weeks later.

05How do you handle payments and taxes on a marketplace?

We usually use Stripe Connect, which handles vendor onboarding, identity checks, split payments and payouts, and keeps card data off your servers. Sales tax rules for marketplaces differ by country and province, so we build the tax logic your accountant specifies. This is general information, not tax or legal advice.

(09)Related

Often combined with.

  1. 01Shopify DevelopmentShopify stores, custom Liquid themes, Plus checkouts, Hydrogen storefronts and migrations, set up for Canadian taxes and French.Custom Liquid themesShopify Plus & checkoutHydrogen headlessMigrations to Shopify
  2. 02WooCommerce DevelopmentCustom WooCommerce stores, plugins and subscriptions on WordPress, tuned with HPOS and connected to Stripe, PayPal or Moneris.Custom stores & pluginsSubscriptionsHPOS performanceStripe, PayPal & Moneris
  3. 03WordPress DevelopmentCustom WordPress block themes, ACF and headless builds that load fast, stay secure and are easy for your team to edit.Custom block themesGutenberg & ACFSecurity hardeningHeadless WordPress

Further reading

From the blog.

All articles
  • Commerce

    Commerce9 min read

    Shopify vs WooCommerce in 2026: Which Should You Choose?

    A fair, numbers-first comparison of Shopify and WooCommerce for Canadian businesses: what each really costs, how they handle sales tax and French, and who should choose which.

    Anas Razi · October 23, 2026

  • Pricing

    Pricing9 min read

    How Much Does a Website Cost in Canada in 2026?

    Real 2026 price ranges for Canadian websites, from DIY builders to local agencies, plus the ongoing costs, sales tax and quoting tips most guides skip.

    Khursheed Ahmad · October 23, 2026

  • AI

    AI9 min read

    How to Add AI to Your Business Without Rebuilding Everything

    Five practical ways to add AI to the tools you already use, how to keep customer data safe, what it costs and a 30-day pilot plan to prove it works.

    Umar · October 23, 2026

Next step

Talk to us about
Custom E-commerce Development.

Tell us what you need. We reply within one business day with honest advice and a fixed quote, or message us on WhatsApp at +1 (514) 919-5536.

+1 (514) 919-5536Callcontact@digitalprism.ca

Get a free quote
WebsitesShopify storesWeb appsMobile appsAI integrationCloud & DevOpsBrandingSEO
WebsitesShopify storesWeb appsMobile appsAI integrationCloud & DevOpsBrandingSEO

Have a project in mind?

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