Custom e-commerce platforms engineered for conversion - headless storefronts, PWA, PCI-compliant payments, and third-party integrations that scale with your business.
We design, build, and scale custom e-commerce platforms that convert browsers into buyers — covering storefront architecture, payment integration, mobile experience, and ongoing performance optimisation, all under one engineering team.
A 100-millisecond delay in page load time can reduce conversions by 7%. Performance is not a feature — it is revenue.— Deloitte Digital / Google Research
Pixel-accurate, brand-aligned storefronts built on React, Next.js, or headless CMS — not constrained by theme limits. Every UI decision is conversion-tested.
Progressive Web Apps that behave like native apps — offline browsing, push notifications, and sub-second load times — capturing the 59% of buyers who shop on smartphones.
Stripe, Razorpay, PayPal, and regional gateway integration with one-click checkout, saved cards, and PCI DSS compliance built in — not bolted on.
Decouple your frontend from the backend to deploy independently, iterate faster, and push content to any channel — web, app, kiosk, or voice.
Move from WooCommerce, Magento 1, or legacy custom stores to Shopify Plus, Medusa.js, or a fully bespoke stack — zero downtime, full data integrity.
ERP, CRM, WMS, shipping carriers, loyalty engines, and analytics platforms connected via REST or GraphQL APIs so your operations run as one coherent system.
Decoupling the storefront from the commerce engine is what makes a store fast, flexible, and ready for any channel. Here is the architecture behind the platforms we build:
Headless commerce architecture — shopper to fulfilment
We audit your existing stack, catalogue your product edge cases, map buyer journeys, and set conversion baselines before writing a single line of code.
UX wireframes and high-fidelity prototypes validated against your target audience. Every screen is designed for speed, accessibility (WCAG 2.1 AA), and mobile first.
Iterative sprints with weekly demos. API-first architecture, automated testing at unit and integration level, and feature flags so you can release on your own schedule.
Staged rollout with canary traffic, real-user monitoring from day one, and a structured hypercare window covering the first 30 days post-go-live.
Monthly performance reviews, A/B test cycles on checkout and product-page layouts, Core Web Vitals tracking, and capacity planning ahead of peak seasons.
| Capability | Typical agency | ELIVTECH |
|---|---|---|
| Custom architecture (no theme lock-in) | ✗ | ✓ |
| Headless / composable commerce | ✗ | ✓ |
| PWA with offline support | ✗ | ✓ |
| Core Web Vitals optimisation (LCP < 2.5s) | ✗ | ✓ |
| PCI DSS-compliant payment integration | Partial | ✓ |
| ERP / WMS / CRM integration | Partial | ✓ |
| Post-launch CRO and A/B testing | ✗ | ✓ |
| Zero-downtime migrations | ✗ | ✓ |
Typical uplift after platform re-engineering (illustrative range based on industry benchmarks)
Strip away the technology, and a well-engineered store comes down to four commercial outcomes:
Faster pages and a frictionless checkout turn the traffic you already pay for into more completed orders — every second of speed is worth conversions.
With 59% of online sales on smartphones, an app-like mobile experience captures revenue that a desktop-first store quietly leaves on the table.
A headless, API-first platform adds new markets, channels, and features as configuration — not a rebuild — so growth never means starting over.
PCI-compliant payments, zero-downtime deploys, and capacity planning mean your biggest sales days run smoothly instead of keeping you up at night.
Tell us about your project and get a tailored roadmap, timeline, and estimate.
Start a conversation