E-Commerce
We build e-commerce solutions that drive revenue — from custom storefronts and multi-vendor marketplaces to instant delivery platforms and subscription commerce. Our platforms handle high-traffic product catalogs, secure payment processing, real-time inventory management, and personalized shopping experiences that convert browsers into buyers.
What does Masarrati build for e-commerce?
Masarrati builds custom e-commerce platforms for retailers, brands and marketplace operators: storefronts, product catalogues, cart and checkout services, payment and tax integration, order management, and multi-vendor settlement. Work covers headless commerce architecture, inventory synchronisation across channels, and recommendation services. Masarrati engineers the platform, documents it and hands it over to your team to run.
Why This Matters
E-commerce failure is rarely about the storefront. It is about what happens when stock, pricing and order state disagree across channels, or when a payment provider changes its rules mid-quarter. The commercial cost sits in reconciliation, chargebacks and abandoned baskets, not in page design. Building commerce as bounded services with an authoritative inventory and order ledger is what keeps those failures contained.
Standards We Build To
- PCI DSS for cardholder data handling and storage
- PSD2 and strong customer authentication for European card payments
- GDPR and equivalent regional data protection law covering customer records
- EU Consumer Rights Directive and distance-selling withdrawal obligations
- India's Consumer Protection (E-Commerce) Rules and the Digital Personal Data Protection Act
- WCAG 2.1 AA for accessible storefronts and checkout journeys
What We Offer
Capabilities
Headless Commerce Architecture
Catalogue, pricing, cart and checkout are exposed as separate services behind documented APIs, so web, mobile and in-store front ends evolve without touching commerce logic.
Payment and Fraud Integration
We integrate card acquirers, wallets, buy-now-pay-later and local rails, with tokenised card storage, 3-D Secure step-up and rule-based fraud screening at authorisation.
Inventory and Order Sync
Stock positions, reservations and fulfilment states are held in one ledger with event-driven updates, so oversell is prevented across web, marketplace and retail channels.
Multi-Vendor Marketplace Logic
Seller onboarding, KYC checks, commission rules, split settlement and payout scheduling are modelled as first-class domain objects rather than bolted onto a single-merchant store.
Peak Traffic Engineering
Edge caching, read replicas, queued checkout and inventory reservation are load-tested against modelled flash-sale volumes before launch, so capacity behaviour is known rather than assumed.
Personalisation Services
Recommendation, search ranking and merchandising rules run as separate services trained on your own behavioural data, with merchandiser overrides for campaigns and stock priorities.
Where This Gets Used
- Multi-vendor marketplace: a platform with seller onboarding, commission rules, split settlement and dispute handling for a category marketplace
- Quick commerce: an on-demand delivery system with dark-store inventory, rider dispatch and delivery-window promising
- B2B trade portal: a wholesale ordering platform with contract pricing, credit limits, approval chains and scheduled repeat orders
- Headless replatform: a commerce API layer that decoupled an ageing monolith storefront from catalogue, pricing and checkout services
- Subscription commerce: a recurring-order engine handling billing cycles, proration, pauses, dunning and cancellation flows
How We Deliver
Commerce Discovery
We map catalogue structure, pricing rules, tax obligations, fulfilment paths and the integrations the business already depends on
Domain Design
Catalogue, inventory, order and payment boundaries are defined first, with the event contracts that keep them consistent
Build and Integrate
Storefront, services and third-party connections are delivered in sprints, each ending in a checkout flow you can test
Load and Handover
Peak volumes are simulated, runbooks and documentation are written, and the platform is handed to your team
Related Services
How We Help
Web Application Development
Modern, responsive web applications built with cutting-edge technologies.
- Progressive Web Apps (PWA)
- Single Page Applications (SPA)
- Server-side rendering (SSR)
E-Commerce Application Development
Feature-rich e-commerce platforms that drive sales and delight customers.
- Custom e-commerce platforms
- Marketplace development
- Payment gateway integration
Payment Gateway Development
Custom payment gateway solutions with multi-currency support, fraud detection, and seamless checkout.
- Multi-currency and multi-rail payment processing
- Card acquiring and issuing integration
- Mobile money and wallet integrations (MENA, Africa, Asia)
Multi-Agent Systems Development
Orchestrated teams of AI agents that plan, delegate and execute complex workflows — supervisor patterns, agent-to-agent protocols, and production guardrails.
- Supervisor and orchestrator architectures
- Agent-to-agent communication protocols
- Shared memory and state management
AI Agent Development
Single-purpose autonomous agents and copilots that use your tools, follow your policies, and act inside your existing systems — built for production, not demos.
- Tool-using agents with validated function calling
- Copilots embedded in your existing product
- Policy-bounded autonomy and approval gates
Common Questions
Frequently Asked Questions
Should I build a custom e-commerce platform or use Shopify?
Shopify works for simple stores. Custom platforms are better when you need unique checkout flows, complex pricing, multi-vendor marketplaces, B2B functionality, or integrations that platforms don't support. Masarrati advises based on your specific needs.
How do you handle high-traffic e-commerce events like flash sales?
Through auto-scaling infrastructure, CDN caching, queue-based checkout, inventory reservation systems, rate limiting, and pre-warming servers before announced events to handle 10x-100x traffic spikes.
What payment integrations do you support for e-commerce?
Stripe, PayPal, Adyen, Square, Apple Pay, Google Pay, BNPL (Klarna, Afterpay), cryptocurrency, bank transfers, and regional methods. Masarrati handles multi-currency, tax calculation, and fraud prevention.
Can you build a multi-vendor marketplace?
Yes. Masarrati builds marketplace platforms with vendor onboarding, commission management, split payments, inventory sync, review systems, dispute resolution, and seller analytics dashboards.
How do you optimize e-commerce conversion rates?
Through A/B testing, personalized recommendations, streamlined checkout, abandoned cart recovery, performance optimization, mobile-first design, and analytics-driven UX improvements based on real user behavior data.
How do you keep inventory accurate across a website, marketplaces and physical stores?
We make one service the authority for stock and publish changes as events, so every channel reads from the same ledger rather than keeping its own copy. Reservations are held at cart or fulfilment commitment, marketplace listings are updated through their APIs, and reconciliation jobs flag drift between systems. Where a channel enforces its own rules, we build an adapter that translates rather than duplicating stock.
What does PCI DSS compliance mean for a custom e-commerce build?
Scope is what matters. We design so raw card data never reaches your servers, using hosted fields or acquirer-side tokenisation, which keeps most of the platform out of scope and reduces the assessment burden to a smaller set of controls. The remaining work covers network segmentation, access control, logging and key management. Your acquirer and assessor confirm the applicable level, and we build to the controls that level requires.
Can you migrate an existing store without losing SEO rankings or order history?
Yes. Migration plans start with a URL inventory and a redirect map from old to new paths, preserving canonical structure and structured data. Historical orders, customers and reviews are moved through validated import pipelines with reconciliation reports before cutover. We usually run the new platform alongside the old one for a defined period, moving traffic in stages so problems surface on a small share of sessions.
How do you handle tax, duties and multi-currency for cross-border selling?
Tax determination is treated as its own service, called at cart and again at invoicing, so rules can change without touching checkout code. We integrate tax engines for VAT, GST and sales tax, and handle landed-cost calculation where duties and import charges apply. Currency is separated into display, settlement and accounting layers, with rounding and reporting rules agreed with your finance team before build.
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