Commerce & MarketplacesLarge system

Grocery Delivery Platform

An Instacart-style grocery ordering and delivery system with large catalogs, picker/shopper workflows for substitutions and weight-based items, and slot-based delivery scheduling.

Typically bought by: Grocery chains, independent supermarkets, and dark-store startups offering local delivery

Standard features

Always included in the base price. Every one is built, tested and delivered working.

Large product catalog with departments, brands, and dietary filters
Fast search with autocomplete and past-purchase suggestions
Weight-based items with price adjustment at picking
Substitution preferences per item and picker approval flow
Delivery slot booking with capacity limits per zone
Picker app: aisle-ordered pick lists, barcode scan, replacements
Driver app or route sheet for delivery runs
Final charge adjustment after picking (auth then capture)
Recurring shopping lists and reorder in one tap
Promotions, multi-buy offers, and coupons
Admin panel: catalog import, zones, slots, staff, refunds
Notifications for slot reminders, substitutions, and delivery ETA
Sales and fulfillment analytics

Popular custom additions

Quoted per feature in the configurator — $50 simple, $150 moderate, $300 complex.

POS/stock system sync for live availability and shelf prices
Multi-store routing based on customer address
Age-restricted item verification at handover
Loyalty card integration with points earning
Meal-kit recipe bundles that add all ingredients to cart
Temperature-zone tote tracking for cold chain

Tech stack

Frontend: Next.js + Tailwind CSS (web) and React Native (picker/driver)
Backend: Node.js (NestJS) with job queues
Database: PostgreSQL (Neon) + Redis
Integrations: Payment gateway with auth/capture and adjustments (Stripe/PayPal/other), Maps & route optimization (Google Maps/Mapbox), SMS (Twilio/other), Push notifications (FCM/APNs), POS/inventory system connector