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ECOMMERCE DEVELOPMENT

Ecommerce Website Development Company — Shopify, Magento & Headless Commerce

Automely is an ecommerce development company, ecommerce website development company, and ecommerce app development company (UK: e-commerce development company) building high-performance stores, headless commerce architectures, and B2B ecommerce portals for retailers across the US and UK — Shopify, Shopify Plus, Magento / Adobe Commerce, WooCommerce, and custom headless stacks. The ecommerce platforms that convert well are not built on default themes and drag-and-drop editors. They are built with performance as a requirement, checkout flows designed around how customers actually behave, and the technical architecture that allows the store to scale when marketing works. We build custom ecommerce websites — from Shopify and WooCommerce builds to full headless commerce implementations and AI-powered product discovery.

Dedicated Shopify developers • 7-day onboarding • Shopify, Magento, Headless & AI • NDA on day oneWritten by Hamid Khan — CEO & Co-Founder, Automely • Last updated: May 2026
50+

Clients Served

120+

Projects Delivered

7 Days

Average Onboarding

4.9

Clutch & GoodFirms

What Makes High-Converting Ecommerce Development Different

Page load speed is the most measurable performance variable in ecommerce — every 100ms of additional latency reduces conversion rates. Default platform themes load generic JavaScript payloads that no individual store needs. Headless ecommerce architecture decouples the storefront from the commerce backend: your frontend runs on Next.js or Remix with full control over performance, the commerce logic runs on Shopify, Medusa, or a custom backend, and the two communicate via API. The result is a sub-second storefront that can be optimised independently of the platform's release cycle.

AI in ecommerce is now moving from experimental to essential. AI-powered product recommendations that account for browsing behaviour, purchase history, and inventory levels outperform manual merchandising at any catalogue size above a few hundred SKUs. Conversational search — where shoppers describe what they want rather than typing exact product names — increases search-to-purchase conversion significantly. AI-generated product descriptions maintain brand voice at scale. Automely builds these capabilities as part of a commerce build, not as add-ons after launch.

For B2B ecommerce — trade portals, distributor platforms, and wholesale ordering systems — the requirements are different again: customer-specific pricing and catalogues, purchase order and invoice workflows, account-level credit limits, multi-location shipping rules, and ERP integration. Automely builds both B2C and B2B ecommerce platforms, and the architecture decisions for each are made at the start of the project, not discovered halfway through.

WHAT WE BUILD

Ecommerce Development Services

Every ecommerce engagement is scoped to your specific catalogue, customer journey, and conversion requirements — not a platform template applied uniformly regardless of what your store actually needs.

Custom Ecommerce Website Development

Custom ecommerce development and ecommerce platform migration for retailers moving off constrained themes. Bespoke stores built around your specific product catalogue, customer journey, and conversion requirements. Custom checkout flows (PCI DSS-compliant payment integration via Stripe, Braintree, or Adyen — no card data on your servers), product configurators for complex or configurable products, bundle and upsell logic, loyalty programme integration, and the performance optimisation that default themes do not provide. Built on the platform that fits your scale — or on a custom stack where no platform fits.

Build Your Ecommerce Store →

Headless Commerce Development & Shopify Hydrogen Development

Headless ecommerce architecture and Shopify Hydrogen development: Next.js or Remix frontend, Shopify Hydrogen / Shopify Storefront API, Medusa.js, or custom commerce API backend. Includes PWA ecommerce development patterns and Core Web Vitals ecommerce optimisation. Complete control over frontend performance, UX, and feature velocity — with the commerce backend handling cart, checkout, payments, and order management. Best for high-traffic stores where page load speed is directly tied to revenue.

Go Headless →

Magento & Adobe Commerce Development Company

Custom Magento 2 and Adobe Commerce development for mid-market and enterprise ecommerce, including B2B ecommerce portal development: custom module development, theme customisation, B2B commerce features (company accounts, quote management, requisition lists, customer-specific pricing), multi-store architecture, Elasticsearch product search, and integration with ERP and PIM systems. Automely's Magento developers build the custom functionality that Magento's extension marketplace does not cover.

Build Your Magento Store →

Shopify & Shopify Plus Development Company

Shopify development company services covering custom Shopify theme development (Liquid, not template editors), Shopify app development, Shopify Plus customisations (checkout extensibility, multipass, flow automation), Shopify to headless migration with Hydrogen, and the script and function logic that makes Shopify Plus behave like a custom platform — without platform limitations. Need a dedicated Shopify engineer? See our Shopify developer hire page (/hire-experts/hire-shopify-developer).

Build Your Shopify Store →

WooCommerce & WordPress Ecommerce Development

Custom WooCommerce development and subscription ecommerce development treating WooCommerce as a commerce framework rather than a plugin: custom product types, custom checkout fields and flows, subscription and recurring billing, multi-vendor marketplace platform development, B2B pricing by user role, and the performance architecture (object caching, CDN, query optimisation) that large WooCommerce stores require.

Build Your WooCommerce Store →

AI-Powered Ecommerce Features & Ecommerce Conversion Rate Optimisation

AI product recommendation engines trained on your catalogue and customer behaviour data. Conversational product search using LLMs. AI-generated product descriptions and SEO content at catalogue scale. Automated inventory forecasting using sales velocity and seasonal models. AI customer service chatbots with full product and order context. Visual search for lifestyle and fashion categories. Production features tied to ecommerce conversion rate optimisation — not demos.

Add AI to Your Store →

HOW WE WORK

Our Ecommerce Development Process

Six stages built around the specific requirements of ecommerce — from platform architecture through Core Web Vitals optimisation and peak load testing before launch.

Automely ecommerce development process — from platform architecture decision through Core Web Vitals optimisation and launch

01

Discovery & Platform Decision

We map your catalogue, customer journey, conversion requirements, and integration landscape — then recommend the right platform and architecture. Headless vs traditional, Shopify vs Magento vs custom, and the integration dependencies that affect timeline and cost. Deliverable: Platform recommendation with technical rationale and phased delivery roadmap.

02

UX & Conversion Design

Conversion-focused design: product page layouts tested against established ecommerce UX patterns, checkout flow optimised to reduce abandonment, mobile-first design for the majority of traffic that arrives on a phone, and Core Web Vitals targets set before a line of code is written. Deliverable: Approved designs with Core Web Vitals performance targets documented.

03

Core Platform Development

Frontend and backend development in parallel, with the product catalogue, basket, checkout, and payment integration as the first sprint priorities. Two-week sprints with a working, testable store at the end of each cycle. Deliverable: Testable ecommerce increments delivered every sprint, starting with core purchase flow.

04

Integration Layer & PCI DSS-Compliant Payments

ERP integration (inventory, orders, fulfilment), PIM integration (product content), shipping carrier APIs, and loyalty programme connections. All payment integrations are built on PCI DSS-compliant hosted payment pages — Stripe, Braintree, or Adyen — so no card data ever touches your servers. The most unpredictable phase — integration quality varies significantly by upstream system. Deliverable: Tested integrations with documented data flow, error handling, and reconciliation logic.

05

Performance & QA

Core Web Vitals optimisation (LCP, CLS, FID targets), load testing to simulate peak traffic scenarios (Black Friday, campaign launches), cross-browser and cross-device testing, and checkout flow QA against real payment methods. Deliverable: Performance audit report with Core Web Vitals scores and load test results before launch.

06

Launch & Growth Iteration

Managed launch with monitoring in place — conversion tracking, error alerting, and performance dashboards. Your dedicated developer remains available for A/B testing, feature additions, seasonal performance tuning, and AI feature additions as the store grows. Deliverable: Live store with monitoring setup and a post-launch iteration roadmap.

Why Ecommerce Businesses Choose Automely Over Generic Development Agencies

Ecommerce projects have predictable failure modes — slow stores that were never load tested, checkout flows that were never optimised, and ERP integrations that break at launch. Automely's ecommerce developers know these failure modes before the first sprint.

The Problem You Face

What Automely Does Differently

Default platform themes load generic JavaScript that slows every page — directly reducing conversion rates at scale

We build custom themes and headless frontends optimised for Core Web Vitals — sub-second load times as a requirement, not a nice-to-have

Agencies build stores on templates and call it 'custom development' — the checkout flow is still the platform default

We treat checkout as the highest-priority UX problem — custom flows designed around how your specific customers actually buy

ERP and PIM integrations are afterthoughts that cause inventory discrepancies and fulfilment failures at launch

We scope ERP and PIM integration requirements in week one — not discovered after the store is already built

B2B ecommerce projects fail when the platform's data model cannot support customer-specific pricing and approval workflows

We build B2B ecommerce with the right platform (Magento B2B, Shopify Plus, or custom) chosen for the actual B2B requirements before any code is written

AI product recommendations are added as a third-party widget that does not have access to your real inventory and pricing data

We build AI recommendation engines trained on your actual catalogue, inventory levels, and customer behaviour — not generic collaborative filtering

The store performs well in testing but crashes under Black Friday traffic because load testing was not part of the build

Peak load testing is part of every ecommerce build — simulating concurrent traffic scenarios before the campaign launches, not after

Card payment integrations are added late in the build, expose card data to the application server, and create PCI DSS scope your team has to defend at audit time

Payment security is handled by the platform, not your team — checkout flows are built on PCI DSS-compliant hosted payment pages or Stripe/Braintree/Adyen with no card data touching your servers

Ecommerce Results — PageSpeed 28 to 91, +23% Conversion Rate, 71% Order Entry Saved

Below are examples of ecommerce projects delivered by Automely. All client details are kept confidential.

Confidential — UK-based D2C fashion brand

C

Headless Commerce Migration (Shopify + Next.js)

Confidential — UK-based D2C fashion brand

Challenge: The client's Shopify store was scoring 28/100 on Google PageSpeed Insights. Their conversion rate had plateaued and agency analysis attributed significant revenue loss to page load speed on mobile — where 74% of their traffic arrived. What We Did: Automely migrated their storefront to a headless architecture — Shopify backend (cart, checkout, orders, inventory) with a custom Next.js frontend. Product pages rebuilt as React Server Components, images optimised with next/image, and third-party scripts deferred. Result: PageSpeed score improved from 28 to 91 on mobile. LCP reduced from 4.8s to 1.1s. Conversion rate increased by 23% in the first 30 days post-migration. Revenue increased by £340,000 in the first quarter.

28 → 91

PageSpeed Mobile

+23%

Conversion Rate

ECOMMERCE SECTORS WE SERVE

Ecommerce Development for Every Retail Sector and Business Model

Our ecommerce developers understand the specific conversion requirements, integration needs, and platform considerations for each retail segment below.

D2C ecommerce development — Shopify, subscription models, and conversion-optimised stores

D2C & Consumer Brands

Direct-to-consumer ecommerce stores optimised for conversion, customer acquisition, and lifetime value — Shopify, headless Next.js, subscription models, and loyalty programmes.

D2C Ecommerce Development

»

Fashion ecommerce development — visual search, size guidance, and performance-first storefronts

Fashion & Apparel

Ecommerce platforms for fashion brands: size and fit guidance, visual search, lookbook features, returns management, and the performance-first architecture that fashion shoppers expect.

Fashion Ecommerce Development

»

B2B ecommerce portal development — customer-specific pricing, purchase orders, and ERP integration

B2B & Trade

Trade portals, distributor platforms, and wholesale ordering systems with customer-specific pricing, purchase order workflows, credit management, and ERP integration.

B2B Ecommerce Development

»

Marketplace & Multi-Vendor

Marketplace & Multi-Vendor

Multi-vendor marketplace platforms: seller onboarding, commission management, product approval workflows, payout management, and the trust and review infrastructure that marketplace buyers require.

Marketplace Development

»

Food and grocery ecommerce development with slot-based delivery and inventory integration

Food & Grocery

Online food and grocery stores with inventory integration, slot-based delivery scheduling, substitution management, and the mobile-first experience that grocery shoppers expect. See also our food & beverage industry page for restaurant ordering, cloud kitchen, and food marketplace platforms.

Food & Grocery Ecommerce

»

SaaS & Digital Products

SaaS & Digital Products

Ecommerce for digital products and SaaS: licence management, subscription billing, seat-based pricing, upgrade and downgrade flows, and integration with CRM and billing systems.

Digital Product Ecommerce

»

FREQUENTLY ASKED QUESTIONS

Ecommerce Development FAQs: Headless Commerce, B2B Platforms, Timeline & Cost


Headless commerce is an ecommerce architecture where the frontend (the part shoppers see) is completely separated from the commerce backend (the part that handles products, pricing, cart, checkout, orders, and payments). In a traditional platform setup, the frontend and backend are tightly coupled. In a headless setup, the frontend is built as a separate application — typically in Next.js or Remix — that communicates with the commerce backend via APIs.

Traditional PlatformHeadless Commerce
Frontend controlLimited by platform theme systemComplete — any framework, any design
PerformanceConstrained by platform's JS payloadOptimisable to sub-second load times
Feature velocityDependent on platform release cycleIndependent — deploy features any time
Build complexityLow–MediumMedium–High
Best forStandard D2C stores, fast launchHigh-traffic, performance-critical, custom UX
CostLower initial buildHigher initial build, lower long-term constraint
The business case for headless commerce is strongest when: (1) page load speed is directly affecting conversion rates, (2) the storefront needs custom UX that the platform's theme system cannot produce, (3) the store runs on multiple regions or sales channels needing a unified frontend, or (4) the development team needs to ship features faster than the platform's release cycle allows.


AI is currently used in ecommerce across several production-ready categories:

  • Product recommendations — ML models trained on purchase history, browsing behaviour, and basket data. More effective than rules-based logic at any catalogue size above a few hundred SKUs.
  • Conversational search — LLM-powered search understanding natural language queries and mapping them to relevant products, including products where the exact query words do not appear in the description.
  • AI-generated product content — LLMs generating product descriptions, meta titles, and alt text at scale. Reduces content production time from weeks to hours for large catalogue migrations.
  • Visual search — image recognition that lets shoppers upload a photo and find similar products. Particularly effective for fashion, home décor, and lifestyle categories.
  • Dynamic pricing — ML models adjusting prices in real time based on demand signals, competitor pricing, inventory levels, and margin targets.
  • Inventory forecasting — predictive models using sales velocity, seasonality, and marketing calendar data to automate reorder point calculations.
  • AI customer service — LLM-powered chatbots with full product catalogue and order management context, handling order status, returns, product questions, and size guidance without human intervention.


B2C (business-to-consumer) ecommerce sells directly to individual end customers — standard product pages, single checkout, card payments, and a focus on conversion rate and customer acquisition. B2B (business-to-business) ecommerce sells to other businesses and has fundamentally different requirements: customer-specific pricing, customer-specific catalogue visibility, minimum order quantities, purchase order and invoice payment terms, approval workflows before checkout completes, account credit limits, multi-location and split shipment handling, and integration with the buyer's procurement system. B2B ecommerce requires a more complex data model and a different UX — built around efficiency and reordering for known buyers rather than discovery for unknown visitors. Magento B2B, Shopify Plus with custom B2B features, and fully custom platforms are the main options.


Timeline by type: a custom Shopify theme (design + build, no custom app development) takes 6–10 weeks. A WooCommerce store with custom product types and payment integration takes 8–14 weeks. A Magento 2 build with custom modules and ERP integration takes 14–24 weeks. A headless commerce implementation (Next.js frontend + Shopify or Medusa backend) takes 10–18 weeks. A custom ecommerce platform (marketplace, rental, or B2B portal not served by existing platforms) takes 20–40 weeks. The longest variable is typically integration complexity — connecting to ERP, PIM, logistics, and fulfilment systems adds 4–12 weeks depending on the quality of the upstream APIs.


Standards & references we build to: Google — Core Web Vitals documentationShopify Partner programme

Related Reading on Ecommerce Development & Hiring

Continue your research on ecommerce development costs, hiring dedicated Shopify and headless engineers, and adjacent food & beverage ecommerce work.

Build Your Ecommerce Platform — Dedicated Senior Developer, Onboarded in 7 Days

Whether you are launching a new store, migrating from a platform that has become a constraint, building headless commerce for performance, or adding AI-powered features to an existing store — tell us what you need and we will match you with a dedicated ecommerce developer.

  1. Book a free 30-minute technical consultation — focused on your catalogue, conversion requirements, and integration landscape
  2. Receive a scoped proposal with platform architecture recommendation within 48 hours
  3. We onboard your dedicated ecommerce developer within 7 business days
Discuss Your Ecommerce Project →

No lock-in contracts • NDA on day one • Shopify, Magento, headless & AI expertise