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E-commerce & Retail Software Development Solutions

Custom E-commerce Platforms and Retail Software for Online Stores, Marketplaces, and Omnichannel Businesses

Sigi Technologies develops scalable e-commerce platforms and retail software that drive online sales, streamline operations, and deliver seamless shopping experiences. Our solutions support everything from single-store websites to multi-vendor marketplaces and enterprise retail operations.

60+

E-commerce Solutions Delivered

$50M+

Annual Transactions Processed

1M+

Monthly Visitors

99.9%

Uptime

Business Models We Support

We develop software for various e-commerce and retail business models:

Direct-to-Consumer (D2C) E-commerce

Branded online stores for manufacturers and brands selling directly to consumers, eliminating intermediaries and building customer relationships.

Multi-Vendor Marketplaces

Comprehensive platforms connecting multiple sellers with buyers, handling vendor onboarding, product listings, order routing, and commission management.

B2B E-commerce Platforms

Business-to-business portals with bulk ordering, customer-specific pricing, quote management, credit terms, and account-based purchasing.

Omnichannel Retail Systems

Unified commerce platforms integrating online stores, physical locations, mobile apps, and marketplaces with centralized inventory and customer data.

Subscription E-commerce

Recurring revenue platforms for subscription boxes, replenishment services, and membership programs with automated billing and fulfillment.

Dropshipping Platforms

Systems enabling retailers to sell products without inventory, connecting orders directly to suppliers for fulfillment with automated order routing.

E-commerce & Retail Software Development Services

Our solutions cover the complete e-commerce ecosystem from customer-facing storefronts to backend operations and analytics.

1

Custom E-commerce Platform Development

We build fully customized e-commerce platforms tailored to your unique business requirements, workflows, and customer experience goals.

What we deliver:

  • Custom storefront design with brand-specific layouts, navigation, and user experiences
  • Product catalog management supporting unlimited products, variants, attributes, and categories
  • Advanced search and filtering with faceted search, auto-suggestions, and intelligent sorting
  • Shopping cart and checkout optimized for conversion with guest checkout and saved carts
  • Payment gateway integration supporting credit cards, digital wallets, BNPL, and alternative payments
  • Order management system tracking orders from placement through fulfillment and delivery
  • Customer account management with order history, wishlists, and personalized recommendations
  • Multi-currency and multi-language support for international expansion
  • Scalable architecture handling traffic spikes during promotions and peak shopping seasons

Best for:

Brands with unique requirements, complex product configurations, or specific workflow needs that off-the-shelf platforms cannot support.

2

Marketplace Platform Development

We create multi-vendor marketplace platforms that enable multiple sellers to list products, manage inventory, and fulfill orders through a unified system.

What we deliver:

  • Vendor registration and onboarding with verification workflows and approval systems
  • Vendor dashboards for product management, order processing, and performance analytics
  • Product listing management with bulk uploads, approval workflows, and quality controls
  • Order routing and fulfillment automatically directing orders to appropriate vendors
  • Commission and fee management with flexible pricing models and automated calculations
  • Payment splitting distributing payments between platform and vendors
  • Rating and review systems for vendors, products, and transactions
  • Dispute resolution workflows handling returns, refunds, and conflicts
  • Analytics and reporting for marketplace performance and vendor metrics

Best for:

Entrepreneurs launching marketplaces, retailers expanding to multi-vendor models, and niche vertical marketplaces.

3

Shopify Custom Development & Integration

We extend Shopify capabilities with custom themes, apps, and integrations that align with your specific business requirements.

What we deliver:

  • Custom Shopify theme development with unique designs beyond standard templates
  • Shopify app development creating private and public apps for specialized functionality
  • Shopify Plus implementation for high-volume merchants with advanced features
  • Headless Shopify architecture using Shopify as backend with custom React/Next.js frontends
  • Third-party integrations connecting ERPs, CRMs, warehouses, and fulfillment services
  • Custom checkout experiences optimizing conversion with Shopify Plus checkout extensibility
  • Migration to Shopify from other platforms with complete data transfer
  • Performance optimization ensuring fast page loads and mobile responsiveness

Best for:

Businesses using Shopify who need customization beyond standard themes and plugins.

4

B2B E-commerce Platform Development

We build B2B commerce platforms designed for wholesale, distributor, and manufacturer sales with business-specific features.

What we deliver:

  • Account-based pricing with customer-specific price lists, volume discounts, and contract pricing
  • Quote management system for RFQs, custom quotes, and approval workflows
  • Bulk ordering features with quick order forms, CSV uploads, and reorder functionality
  • Credit and payment terms supporting net payment terms, credit limits, and invoice processing
  • Multi-level approvals for purchase orders requiring internal authorization
  • Integration with ERP systems for real-time inventory, pricing, and order synchronization
  • Sales rep portal enabling field sales to place orders on behalf of customers
  • Punch-out integration connecting with procurement systems like Ariba, Coupa, and Oracle

Best for:

Wholesalers, distributors, manufacturers, and B2B sellers with complex pricing and ordering requirements.

5

E-commerce Mobile Applications

We develop native iOS and Android e-commerce apps delivering seamless mobile shopping experiences with offline capabilities and device-specific features.

What we deliver:

  • Native mobile storefronts with touch-optimized product browsing and purchasing
  • Push notifications for order updates, promotions, abandoned cart recovery, and restocks
  • Mobile-specific features including biometric login, mobile wallets, and camera-based product search
  • Offline functionality allowing browsing and cart management without connectivity
  • AR product visualization enabling customers to preview products in their space
  • Barcode scanning for quick product lookup and price comparison
  • Location-based features for store locators, local inventory, and proximity offers
  • Mobile payment integration with Apple Pay, Google Pay, and digital wallets

Best for:

Retailers with mobile-first customers, brands building omnichannel experiences, and businesses seeking higher engagement through mobile apps.

6

Headless Commerce Solutions

We implement headless commerce architectures separating frontend presentation from backend commerce functionality for ultimate flexibility.

What we deliver:

  • API-first architecture exposing all commerce functionality through robust APIs
  • Custom React/Next.js frontends providing complete design and UX control
  • Multi-channel content delivery serving web, mobile, IoT, and voice interfaces from one backend
  • Performance optimization with static site generation, edge caching, and CDN integration
  • Content management integration connecting headless CMS platforms for marketing content
  • Progressive Web App (PWA) development delivering app-like experiences through browsers
  • Backend commerce platform using Shopify Plus, BigCommerce, commercetools, or custom solutions
  • Microservices architecture enabling independent scaling and technology choices

Best for:

Enterprises requiring maximum flexibility, brands with complex content needs, and businesses scaling to multiple touchpoints.

7

Subscription E-commerce Platforms

We build subscription commerce systems managing recurring orders, billing cycles, and customer retention for subscription-based businesses.

What we deliver:

  • Subscription management with flexible billing frequencies, pause/skip options, and cancellation flows
  • Recurring payment processing handling automated charges, retry logic, and payment method updates
  • Subscription box curation with product selection, customization, and surprise options
  • Customer portal for subscription management, delivery preferences, and billing information
  • Dunning management recovering failed payments through automated retry and customer communication
  • Churn prevention features including pause options, downgrade paths, and win-back campaigns
  • Analytics and metrics tracking MRR, churn rate, LTV, and subscription health
  • Integration with fulfillment for automated order generation and shipment coordination

Best for:

Subscription box services, replenishment programs, membership clubs, and SaaS-adjacent physical products.

8

Dropshipping Platform Development

We create dropshipping platforms connecting retailers with suppliers for automated order fulfillment without inventory management.

What we deliver:

  • Supplier integration connecting with manufacturer and distributor product feeds
  • Product import automation with real-time inventory sync and pricing updates
  • Order routing system automatically forwarding customer orders to appropriate suppliers
  • Multi-supplier management handling orders split across multiple suppliers
  • Automated tracking updates syncing shipment tracking from suppliers to customers
  • Supplier payment calculation managing margins, costs, and financial settlements
  • Quality control workflows monitoring supplier performance and product quality
  • Returns and refunds coordination between customers, retailers, and suppliers

Best for:

Retailers launching without inventory investment, businesses expanding product catalogs, and entrepreneurs testing new product categories.

9

Point of Sale (POS) Systems & Retail Software

We develop modern POS systems and retail management software unifying in-store and online operations.

What we deliver:

  • Cloud-based POS terminals processing in-store transactions with receipt printing and peripheral support
  • Inventory management with real-time stock tracking across locations and channels
  • Omnichannel capabilities including buy-online-pickup-in-store (BOPIS) and ship-from-store
  • Customer relationship management tracking purchase history and enabling personalized service
  • Employee management with shift scheduling, commission tracking, and performance metrics
  • Multi-location support for retail chains with centralized reporting and distributed inventory
  • Integration with e-commerce synchronizing products, inventory, and customers across channels
  • Analytics and reporting for sales performance, inventory turnover, and customer insights

Best for:

Brick-and-mortar retailers expanding online, omnichannel brands, and retail chains requiring unified commerce.

10

E-commerce Analytics & Business Intelligence

We build custom analytics platforms providing actionable insights into e-commerce performance, customer behavior, and business opportunities.

What we deliver:

  • Real-time dashboards displaying key metrics including revenue, orders, conversion rates, and traffic
  • Customer analytics segmenting users by behavior, value, and engagement patterns
  • Product performance tracking identifying top sellers, slow movers, and inventory optimization opportunities
  • Conversion funnel analysis pinpointing drop-off points and optimization opportunities
  • Marketing attribution tracking campaign effectiveness and customer acquisition costs
  • Predictive analytics forecasting demand, identifying churn risk, and recommending actions
  • Custom reporting tailored to specific business questions and operational needs
  • Integration with data sources consolidating data from e-commerce platforms, marketing tools, and operations

Best for:

Growing e-commerce businesses needing data-driven decision making and enterprises with complex analytics requirements.

Success Metrics from Our E-commerce Projects

Platform Performance

Sub-2-second page load times on average with 99.9% uptime during peak shopping events including Black Friday, Cyber Monday, and flash sales.

Transaction Processing

Our platforms successfully process 100,000+ daily transactions during peak periods with zero payment failures and complete PCI-DSS compliance.

Development Speed

Average e-commerce MVP launch time of 3-5 months from requirements to production with full feature sets including payments, shipping, and administration.

Business Growth

Clients report 40-85% increases in online revenue within the first year of platform launch through improved user experience and conversion optimization.

Mobile Conversion

E-commerce mobile apps achieve 2-3x higher conversion rates compared to mobile web, with 65% of users completing purchases through apps.

Technology Stack for E-commerce Solutions

Frontend

  • React
  • Next.js
  • Vue.js
  • Angular for web storefronts

Mobile

  • Native iOS (Swift)
  • Android (Kotlin)
  • React Native
  • Flutter

Backend

  • Node.js
  • Python
  • PHP
  • .NET for commerce logic and APIs

E-commerce Platforms

  • Shopify Plus
  • BigCommerce
  • Magento
  • WooCommerce
  • commercetools

Databases

  • PostgreSQL
  • MySQL
  • MongoDB for product catalogs and transactions

Payment Gateways

  • Stripe
  • PayPal
  • Square
  • Authorize.Net
  • Adyen
  • Braintree

Search

  • Elasticsearch
  • Algolia for product search and filtering

Cloud

  • AWS
  • Google Cloud
  • Azure with auto-scaling and CDN

Integrations

  • ERP (SAP, NetSuite, Odoo)
  • Shipping (ShipStation, EasyShip)
  • Marketing (Klaviyo, Mailchimp)
  • Analytics (Google Analytics 4, Segment)

Key Features We Build

Customer Experience:

Product catalogsAdvanced searchShopping cartCheckout optimizationGuest checkoutCustomer accountsWishlistsProduct reviewsRecommendations

Sales & Marketing:

Promotions & discountsCoupon managementEmail marketing integrationAbandoned cart recoveryLoyalty programsGift cardsReferral programs

Operations:

Order managementInventory trackingMulti-warehouse supportShipping integrationTax calculationReturns & refundsVendor management

Payments:

Multiple payment gatewaysDigital walletsBuy Now Pay LaterSubscription billingMulti-currencyFraud preventionPCI compliance

Advanced Capabilities:

AI product recommendationsVoice commerceVisual searchAR try-onPersonalization engineHeadless architectureProgressive Web AppsOmnichannel integration

Security & Compliance

PCI-DSS Compliance

Level 1 PCI-DSS certification for payment card data security

Tokenization for secure payment method storage

Encrypted transmission using TLS 1.2+ for all payment data

Regular security audits and vulnerability assessments

No card data storage following security best practices

Data Protection

GDPR compliance for European customers with consent management

CCPA compliance for California residents with privacy controls

Secure customer data handling with encryption at rest and in transit

Regular penetration testing and security assessments

Incident response procedures and breach notification protocols

Platform Security

Web Application Firewall (WAF) protection against attacks

DDoS mitigation for availability during attacks

Regular security patches and updates

Role-based access control for administrative functions

Two-factor authentication for sensitive operations

Industries & Specialties We Serve

Fashion & Apparel:

  • Clothing brands
  • Footwear
  • Accessories
  • Luxury fashion
  • Athleisure
  • Custom apparel

Home & Living:

  • Furniture
  • Home decor
  • Kitchen goods
  • Bedding
  • Lighting
  • Garden supplies

Beauty & Personal Care:

  • Cosmetics
  • Skincare
  • Haircare
  • Fragrances
  • Wellness products
  • Subscription beauty boxes

Electronics & Technology:

  • Consumer electronics
  • Computer hardware
  • Smart home devices
  • Gaming
  • Mobile accessories

Food & Beverage:

  • Specialty foods
  • Wine & spirits
  • Coffee & tea
  • Meal kits
  • Supplements
  • Organic products

Books & Media:

  • Books
  • E-books
  • Music
  • Movies
  • Educational materials
  • Digital downloads

Sports & Outdoors:

  • Sporting goods
  • Outdoor gear
  • Fitness equipment
  • Camping
  • Cycling
  • Water sports

Health & Wellness:

  • Vitamins & supplements
  • Medical supplies
  • Fitness products
  • Natural health
  • Pet health

Frequently Asked Questions

Common questions about our e-commerce and retail software solutions

How long does it take to develop an e-commerce platform?

Development timelines vary based on complexity and features. A basic e-commerce MVP typically takes 3-5 months. Custom marketplace platforms can take 6-10 months. We provide detailed timelines after requirements analysis.

What's the typical cost to build an e-commerce website?

Development costs vary based on features, integrations, and complexity. Factors include the number of payment gateways, third-party integrations (ERP, shipping, marketing tools), product catalog size, custom features, and mobile app requirements. Shopify customization projects are typically more cost-effective than custom platforms. Multi-vendor marketplaces require more investment due to vendor management complexity. We provide detailed cost estimates after understanding your specific requirements.

Should we build custom or use Shopify/WooCommerce?

The choice depends on your requirements. Use Shopify/WooCommerce for standard e-commerce needs and faster time-to-market. Build custom if you have unique workflows, complex integrations, or need complete control. We help evaluate the best approach based on your business model and growth plans.

Can you migrate our existing store to a new platform?

Yes. We handle complete e-commerce migrations including products, customers, orders, and SEO preservation. Migration strategies include data mapping, URL redirects, and go-live coordination to minimize downtime and ensure zero data loss.

How do you handle payment gateway integration?

We integrate with major payment gateways (Stripe, PayPal, Square) following PCI-DSS compliance requirements. Implementation includes tokenization, fraud prevention, multiple payment methods, and international currencies. We never store raw card data.

Can you integrate with our ERP/warehouse system?

Yes. We integrate e-commerce platforms with ERP systems (SAP, NetSuite, Odoo), warehouse management systems, and 3PL providers. Integrations handle real-time inventory sync, order fulfillment, and financial data exchange through APIs or EDI.

What about SEO for e-commerce platforms?

We implement comprehensive SEO including clean URLs, meta tags, schema markup, mobile optimization, and fast page loads. Custom platforms are built with SEO-first architecture. Platform migrations include full SEO audits and redirect strategies.

How do you handle high traffic during sales events?

Our platforms use cloud auto-scaling, CDN caching, and database optimization to handle traffic spikes. We implement load testing and monitoring to ensure performance during Black Friday, Cyber Monday, and flash sales. Infrastructure scales automatically based on demand.

Do you provide ongoing maintenance and support?

Yes. We offer post-launch support including bug fixes, security patches, platform upgrades, performance monitoring, and new feature development. Support agreements are customized based on your operational requirements.

Who owns the code and platform?

You retain full ownership of all custom code, designs, and intellectual property once development is complete. All custom development, documentation, and assets are transferred to your organization.

Ready to Get Started?

Whether you're launching a new product or modernizing existing systems, we're here to help.

Your Vision, Our Expertise

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