frontendbackendserviceexternaldatabase

DoorDash Delivery Platform

On-demand food delivery with real-time order tracking, driver dispatch, restaurant integration, and dynamic pricing.

10 components10 connections5 types

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Components

frontend

Consumer App

Mobile app for browsing restaurants, ordering, and tracking deliveries.

frontend

Merchant Portal

Restaurant dashboard for menu management, order acceptance, and analytics.

backend

API Gateway

Unified API routing for consumer, merchant, and driver services.

service

Order Service

Order lifecycle management from cart to delivery confirmation.

service

Dispatch Engine

ML-powered driver assignment optimizing delivery time and efficiency.

service

Real-Time Tracking

Live GPS tracking of drivers with ETA calculations.

service

Dynamic Pricing

Surge pricing, delivery fees, and promotions based on demand.

external

Payment Service

Handles consumer charges, merchant payouts, and driver earnings.

service

Restaurant Search

Location-based restaurant discovery with filters and recommendations.

database

Database Cluster

Orders, menus, user profiles, driver data, and delivery history.

Data Flow

Consumer AppAPI GatewayBrowse & orderhigh

Merchant PortalAPI GatewayManage ordersmedium

API GatewayOrder ServiceCreate orderhigh

Order ServiceDispatch EngineAssign driverhigh

Dispatch EngineReal-Time TrackingTrack driverhigh

API GatewayRestaurant SearchFind restaurantshigh

API GatewayDynamic PricingCalculate pricehigh

Order ServicePayment ServiceProcess paymenthigh

Real-Time TrackingConsumer AppLive updateshigh

Order ServiceDatabase ClusterPersisthigh

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Data Mesh Architecture: Domain Ownership, Data as Product & Federated Governance

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