NIALL.ME-COM ARCHITECT

Senior Webmaster & Commerce Engineer

Enterprise E-Commerce Engineering|Headless • Stripe • Next.js

Architecting Scalable E-Commerce Platforms, High-Conversion Checkouts & Custom Web Engines.

I engineer sub-second headless storefronts, frictionless global payment architectures, and high-concurrency inventory backends that maximize GMV, eliminate cart abandonment, and maintain 99.99% uptime.

View E-Com Case StudiesBook a Discovery Call
npx lighthouse-ci --audit=storefront --edge
PASS (100/100)
LCP0.82s (Grade A)
FID / INP18ms (Instant)
CLS0.000 (Zero Shift)
Cart Sync< 16ms Local
+140% YoY
$10M+
Gross Merchandise Value

Securely processed across high-volume DTC and B2B platforms

Zero Black Friday Downtime
99.99%
Platform Uptime SLA

Maintained during global high-traffic flash sales and Cyber Weeks

-62% vs Monolith
< 95ms
Edge API Latency

Sub-100ms global response time via edge computing and distributed Redis

Grade A Green Zone
100/100
Core Web Vitals

Flawless mobile Google PageSpeed scores across all client PDPs

PROVEN HIGH-IMPACT DELIVERABLES

Featured E-Commerce Case Studies

In-depth architectural breakdowns of custom headless storefronts, multi-vendor marketplaces, subscription recurring engines, and fraud-resilient global checkouts.

Headless E-commerce & Mobile CRO•Aura Haute Couture Ltd.

Aura Luxury Apparel

Ultra-fast headless fashion storefront with sub-second page loads and zero cart-drop.

Mobile Conversion
+42%
Post-launch 90 days
Time To First Byte (TTFB)
0.8s
Global average
Cart Drop-Off
0.0%
Zero cart-drop architecture
Edge-cached PDP static regeneration with stale-while-revalidate headers
Optimistic UI cart drawer updating in <16ms before server round-trips
Next.js 14 (App Router)Shopify Storefront APITailwind CSSStripe CheckoutGraphQL CodegenVercel Edge Network
GitHub RepoLive Demo
https://aura-apparel.com/catalog/merino-overcoat
0.8s TTFB
AUTUMN / WINTER 2026
Edge Preloaded
100% Virgin MerinoIn Stock (Next-Day)
AURA ARCHIVE
4.9(184)

Merino Minimalist Overcoat

$680.00$790.00SAVE 14%
Select SizeTrueFit™ Guide
Optimistic Cart State0ms Sync

🎉 Unlocked Free Express Courier Delivery

Multi-Vendor B2B & B2C Marketplace•Apex Tactical & Outdoor Co.

Apex Gear Marketplace

Scalable multi-vendor commerce engine with automated split payouts and live inventory sync.

Monthly Orders
120K+
Processed concurrently
Automated Payouts
100%
Stripe Connect Custom
Vendor Onboarding
< 5 min
Automated KYC & payouts
Redis atomic mutex locks preventing multi-vendor inventory race conditions
Automated split-tender ledger calculating platform commissions & payouts in real-time
Next.jsMedusaJS EnginePostgreSQLRedis ClusterStripe ConnectDocker & Kubernetes
GitHub RepoLive Demo
Apex Vendor OrchestratorMedusaJS v2

Multi-Vendor Settlement & Inventory Ledger

120k+ Orders/Mo
Real-Time Stripe Connect Split Ledger
Auto-Settled
Customer Paid
$4,250.00
Gross B2B Order #8921
Vendor Net (85%)
$3,612.50
Dispatched to North Ridge
Platform Take (15%)
$637.50
Retained platform fee
Stripe Transfer: tr_1Nq9x2KpL092 Postgres ACID Commit: 14ms
Distributed Inventory Mutex (Redis)Active Vendors: 48
TAC-VEST-GEN3(North Ridge)
Tier 3 ($142.00)840 in stockLocked / Synced
OPTIC-RED-DOT-X(Vanguard Tactical)
Tier 2 ($210.00)125 in stockLocked / Synced
BALLISTIC-PACK-45L(Sierra Logistics)
Tier 1 ($95.00)512 in stockLocked / Synced
Wholesale Volume Discounting:Tier 3: 500+ Units (-35%)
Zero Inventory Collisions
High-Volume Subscription Platform•Nova Botanical Health

Nova Botanics DTC

Tailored recurring commerce platform boosting retention through seamless subscriber self-service.

Subscriber Retention
+28%
Year-over-year lift
Churn Reduction
-34%
Via flexible skip/swap
1-Click Checkout
< 2.1s
From landing to receipt
Smart dunning retry engine recouping 62% of initially failed credit card rebills
Self-serve subscriber hub allowing 1-click product swaps, skips, and cadence changes
React / Next.jsNode.js MicroservicesStripe BillingWebhooks WorkerSendGrid Dynamic TemplatesTailwind CSS
GitHub RepoLive Demo
Nova Botanics Subscriber HubStripe Billing v3
+28% Retention
ACTIVE RECURRING PLAN

Daily Focus Adaptogen Formula

Current selection: Forest Mint (60-day supply)

$54.40
$68.00/mo
20% VIP Lock
Next shipment: Oct 14, 2026
Delivery Frequency (Self-Service)Zero churn penalty
TRAVEL
Pocket Travel Sachet (7-Pack)
Add to next delivery for +$14.00
Stripe Smart Dunning: 0 Failed Re-billsWebhook latency: 42ms
Custom Global Checkout & Fraud Defense•Quantum Commerce Infrastructure

Quantum Pay & Fraud Shield

Enterprise checkout infrastructure delivering 99.98% clean transactions and cutting false declines.

Clean Transactions
99.98%
Zero chargeback threshold
False Decline Reduction
-65%
Intelligent Radar tuning
Processing Latency
< 95ms
Cloudflare Edge Workers
Sub-100ms edge fraud pre-scoring evaluating 20+ device and IP signals
Dynamic 3DS 2.0 challenge triggering solely for anomalous risk scores (>65)
Next.js App RouterTypeScriptStripe Radar APICloudflare WorkersRedis Edge KVTailwind CSS
GitHub RepoLive Demo
Quantum Global Checkout EngineCloudflare Edge KV
Card InformationPCI DSS Level 1
VISA
•••• •••• •••• 4242
12/28
CVC:•••
Postal:EC1A 1BB
Authorized Total
$1,240.00
FX Locked (Rate: 1.000)
Edge Radar Pre-Scoring99.98% Clean
Risk Score:12 / 100 (Safe)
0 (Frictionless)65 (3DS Challenge)100 (Blocked)
IP / ASN ReputationResidential (Clean)
Behavioral BiometricsHuman Velocity OK
3D Secure 2.0 FallbackFrictionless Exemption
Cloudflare Edge: 68ms Latency-65% False Declines
ENGINEERED COMMERCE ARCHITECTURE

E-Commerce Architecture & Tech Stack Showcase

Every layer of the e-commerce stack is chosen for sub-second execution, bulletproof payment reliability, and elastic scale.

DOMAIN FOCUS: Frontend & Web Performance

Sub-second storefronts engineered with Next.js App Router, atomic CSS, and edge caching.

Zero-Downtime Pipeline
Core Architecture

Next.js / React 18

App Router & React Server Components

Zero-layout-shift UI, static edge generation, and streaming hydration for lightning-fast product detail pages.

Key Impact:< 0.8s First Contentful Paint
Atomic Styling

Tailwind CSS & Design Systems

Optimized CSS

Zero runtime overhead styling, responsive grid architectures, and custom e-commerce component libraries.

Key Impact:< 12KB Gzipped CSS bundle
Content Delivery

Headless CMS & Commerce

Sanity / Contentful / Builder.io

Decoupled visual merchandising workflows empowering marketing teams without sacrificing code quality.

Key Impact:Real-time visual previews
Cache Orchestration

Edge SSR & ISR

Vercel / Cloudflare Edge

Stale-while-revalidate caching and edge rendering to serve millions of PDP views globally with 0ms server warm-up.

Key Impact:99.9% Cache Hit Ratio
SUB-SECOND COMMERCE ARCHITECTURE

E-Commerce Performance Bento Grid

E-commerce conversion drops by 7% for every 100ms of latency. Here is how I architect storefronts to load in under 1 second worldwide.

ASSET OPTIMIZATION-78% Payload Size

Next-Gen Media Transcoding

Automated AVIF and WebP pipelines with dynamic srcset generation, responsive edge downsampling, and SVG blur-up placeholders to eliminate Cumulative Layout Shift (CLS).

Format ComparisonAVIF / WebP Edge Delivery
Unoptimized JPEG2.4 MB (3.8s mobile download)
Next.js Edge AVIF142 KB (0.12s edge delivery)
Zero CLS (0.000)Edge Cache TTL: 30 Days
EDGE ROUTING< 15ms Latency

Edge Middleware

Executes nearest to the customer worldwide on Vercel & Cloudflare Edge. Resolves geo-IP, matches local currency catalogs, and blocks scrapers before origin execution.

Edge Point of Presence:London (LHR)
Catalog & FX Currency:GBP (£) - Stored in Edge KV
Bot Verification:Passed (Human Traffic)
Origin Requests Saved: 84%Global Edge PoPs: 310+
BUNDLE HYGIENE< 14KB CSS

Atomic CSS & Zero Runtime

Eliminates CSS-in-JS runtime overhead. Tailwind atomic classes are pre-compiled and tree-shaken, keeping the total style payload smaller than a single high-res thumbnail.

Tailwind Gzip Payload:11.4 KB
Style Parse Time:< 3ms
Interaction to Next Paint:INP: 24ms
Legacy CSS: 420KB97% Lighter
CRO ARCHITECTURE+38% Checkout Rate

Checkout Anti-Friction Principles

Every millisecond and extra input field kills e-commerce conversions. Our checkout architectures replace tedious multi-step hurdles with native biometric payment sheets.

Express Wallets
Apple / Google Pay
1-Tap Biometric
Address Autocomplete
Google Places API
-4 Manual Fields
Optimistic State
Zustand + Storage
0 Cart Abandonment
Cart to Payment Completion: < 3.2s+18% Mobile GMV
INITIATE PROJECT DISCOVERY

Let’s Engineer Your Next High-Impact Storefront

Whether you need a full headless replatforming, custom checkout integration, or a ruthless performance overhaul, let’s talk numbers and architecture.

Instant Direct Channels:
DIRECT INBOX
niall@nialluk.com
TELEGRAM DIRECT
@nialluk
Senior Engineering Commitments:
Response within 12 business hours guaranteed
Direct senior architectural review, no sales intermediaries
Strict Non-Disclosure Agreement (NDA) supported upfront