E-Commerce Development
A storefront is the easy half. We build the other half too — inventory that stays honest under concurrent orders, an order pipeline that survives a sale day, and warehouse and dispatch operations that do not collapse into spreadsheets.
Sub-second
Static-first page delivery
Atomic
Stock reservation under load
Idempotent
Payment & webhook handling
Order→Ship
Full operational coverage
Most e-commerce projects are sold as a storefront and then discovered to be an operations project. The catalogue and checkout take a fraction of the effort; what consumes the year is everything behind them — accurate stock across channels, order routing, partial fulfilment, returns, refunds, courier integration, and a back office that does not require three people copying data between systems every morning.
We build both halves. On the front, static-first storefronts with genuinely fast Core Web Vitals, because on mobile commerce a slow page is a lost sale before any design decision matters. On the back, the order-management, inventory and dispatch systems that decide whether the operation is profitable — an area where our manufacturing and warehouse experience transfers directly, because goods inward, stock control and dispatch documentation are the same problems with different labels.
We also build the systems that sit next to commerce: booking and enquiry platforms with payment and dispatch flows, of which our Raja Drop Taxi and Sam Event Decors builds are live examples.
The E-Commerce Failures Nobody Demos
Each of these is a real revenue leak, and none of them are visible in a design review.
Overselling under concurrent checkout
Two customers buy the last unit within the same second because stock was checked and then decremented without an atomic reservation. The cancellation email costs more trust than the order was worth.
A slow storefront on a mid-range phone
Sites that look fine on a developer's laptop take six seconds on the device most customers actually use. Every additional second measurably reduces conversion, and no amount of ad spend recovers it.
Stock accurate in one channel only
Website, marketplace and physical counter each hold their own view of stock. Reconciliation is a daily manual job, and the mismatch surfaces as cancelled orders and marketplace penalties.
Duplicate charges and orphaned orders
A payment gateway timeout, a duplicated webhook or a double-tapped pay button creates either a duplicate charge or an order with no payment record. Both need manual intervention every single week.
Returns and refunds handled outside the system
Returns get processed over email and adjusted manually in stock. Refund state, restocking and the customer's actual balance drift apart until someone reconciles them by hand.
The back office runs on spreadsheets
Picking lists, dispatch records and courier manifests are maintained separately from the platform. On a normal day it works; on a sale day it produces mis-picks, wrong dispatches and a support backlog.
E-Commerce Capabilities
Storefront through to dispatch — the full commercial and operational chain.
High-Performance Storefront
Static-first Next.js storefronts with image optimisation, edge caching and Core Web Vitals treated as a build constraint rather than a post-launch clean-up task.
Catalogue & Variants
Products with real variant complexity — size, colour, material, bundle — plus attributes, media, SEO fields and structured data so listings are eligible for rich results.
Search, Filters & Merchandising
Fast faceted search and filtering that stays usable at large catalogue sizes, with merchandising control over ranking, promotion and out-of-stock behaviour.
Cart & Checkout
Checkout engineered for completion — minimal steps, guest checkout, saved addresses, clear tax and shipping, and resilient behaviour when the network is poor.
Payments & Refunds
Razorpay, Stripe, PayPal and UPI integration with idempotency keys, signature-verified webhooks processed exactly once, and refunds handled as first-class state rather than a manual adjustment.
Inventory & Reservation
Atomic stock reservation at checkout so concurrent orders cannot oversell, with multi-location stock, safety thresholds and a full movement history behind every quantity.
Order Management (OMS)
Order lifecycle with partial fulfilment, splits, backorders, holds, cancellations and returns modelled explicitly instead of encoded in a status text field.
Warehouse & Picking
Pick lists, packing verification by scan, goods inward and dispatch documentation — the same disciplined stock control we apply in factory warehouse systems.
Shipping & Courier Integration
Rate calculation, label and manifest generation, courier API integration and tracking status fed back into the order so support is not chasing a portal.
Returns & Exchanges
Return authorisation, inbound receipt, inspection outcome, restocking decision and refund — with each step a tracked state so the customer's position is never ambiguous.
Multi-Channel Sync
One authoritative stock and order position across website, marketplaces and offline counters, so a sale in one channel updates availability in the others.
Commerce Analytics
Revenue, margin, cohort, abandonment, channel and SKU performance dashboards computed from your own data rather than inferred from a third-party tag alone.
How We Build Commerce Systems
Performance is a revenue feature, not a vanity metric
Commerce is one of the few categories where page speed converts directly into money, and it is measurable. Most of the loss happens on mid-range Android phones on mobile data — not on the machine the site was designed on. So we treat performance as a build-time constraint: static generation wherever the content allows it, aggressive image optimisation, minimal client-side JavaScript, and no layout shift as content loads.
This is also an SEO position. Core Web Vitals feed ranking, and a static-first storefront with correct product structured data is eligible for rich results that a slow client-rendered store is not. The two objectives point the same way, which is convenient — the fastest build is also the one that ranks.
- Static-first rendering with edge caching
- Measured on mid-range mobile, not on a developer laptop
- Product, offer and review structured data for rich results
- Zero cumulative layout shift as a hard build requirement
Stock accuracy is a concurrency problem
Overselling is not a business-rules failure, it is a race condition. Two checkouts read the same available quantity and both proceed. The fix is not more validation; it is an atomic reservation at the database level so that only one of them can succeed, with the reservation released on abandonment or payment failure.
Beyond that, stock has to be a derived position rather than a manually edited number. Every movement — inward, reservation, dispatch, return, adjustment — is a recorded event with a reference, and the current quantity is the sum. When the physical count disagrees, you can see exactly which movement is missing instead of overwriting the number and hoping. This is the same document-linked stock discipline described on our manufacturing page, and it works for exactly the same reasons.
- Atomic reservation at checkout, released on failure or timeout
- Stock as a derived position from recorded movements
- Multi-location stock with per-location thresholds
- Variance investigable rather than silently overwritten
Orders are state machines, not status strings
The most common structural defect we inherit is an order table with a free-text status column and business logic scattered across the codebase deciding what each value means. Partial fulfilment, split shipments, backorders, partial refunds and exchanges cannot be represented honestly in that model, so they end up handled by hand.
We model the order lifecycle as an explicit state machine with permitted transitions, and we model fulfilment separately from the order so one order can produce several shipments with different statuses. Refunds are first-class events against payment records rather than adjustments. It is more design work at the start, and it is the difference between an operations team that can self-serve and one that raises a support ticket for every non-standard case.
- Explicit state machine with permitted transitions only
- Fulfilment modelled separately from the order — split shipments supported
- Refunds and returns as first-class tracked events
- Every transition attributed and timestamped for support and audit
Payments: assume every failure mode will happen
At volume, every payment edge case occurs weekly. The gateway takes the money and times out before responding. The webhook arrives twice, or out of order, or forty minutes late. The customer taps pay again. A refund is issued while a capture is still settling.
So money-moving operations carry idempotency keys, webhooks are signature-verified and processed exactly once regardless of delivery pattern, and payment state transitions are explicit. Settlement reconciliation is automated so the gateway's figures and your order records are matched continuously rather than by someone senior each morning — the same reconciliation discipline described on our fintech page.
- Idempotency keys so a retry can never double-charge
- Webhooks verified and processed exactly once
- Automated settlement reconciliation with an exception queue
- Refund and capture states modelled explicitly, never inferred
When you should not commission a custom store
Custom commerce is not always the right answer, and we would rather say so early:
- If Shopify or WooCommerce covers your process, use it. A custom build earns its cost when your catalogue, pricing, fulfilment or channel model genuinely does not fit a platform — not because a platform feels limiting.
- Headless is not automatically better. It adds real operational complexity. It is worth it for large catalogues, multi-channel or heavy performance requirements, and often not worth it below that.
- Fix operations before adding channels. Launching a marketplace channel on top of inventory that is already inaccurate multiplies the problem rather than growing revenue.
- Traffic is a separate investment. A fast, well-built store still needs demand. We will build the site to rank technically, but content and acquisition are ongoing work, not a launch deliverable.
The Technology We Build This On
Storefront
Backend
Database
Payments
Platform
Assurance
Frequently Asked Questions
Use the platform if it fits. A custom build earns its cost when your catalogue structure, pricing rules, fulfilment model or channel mix genuinely cannot be expressed on a platform — or when the operational back end, not the storefront, is where your complexity lives. We will tell you honestly which side of that line you are on, including when the answer means less work for us.
Related Expertise
Manufacturing & Warehouse
The stock control discipline behind our fulfilment work.
Fintech
Payment reconciliation and idempotency, in more depth.
Next.js Development
Static-first storefronts and Core Web Vitals engineering.
PostgreSQL
Atomic reservation and transactional order integrity.
E-Commerce Services
Packages, scope and how we price commerce projects.
Raja Drop Taxi
A live booking platform with app, website and full digital presence.
Selling Online, or About To?
Tell us where it hurts — page speed, stock accuracy, order operations, returns, or all four. We'll give you a straight answer on whether that needs a rebuild, an integration, or a platform you already have.
Serving startups, factories and enterprises across India, the US, UK, Australia & Europe.