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ENTERPRISE ARCHITECTURE // HIGH-CONCURRENCY

Classifieds & Multi-Vendor Marketplace

High-scale classifieds platform enabling users to post cars, properties, and electronics listings with in-app chat, verified profiles, and featured ad packages.

Throughput
10k+ Req/s
Zero Bottleneck
Cross-Platform
iOS + Android
Flutter / React
Ownership
One-Time
Full Git Repo
api.enterprise.cluster
> GET /api/v1/orders/telemetry
// Response 200 OK (Latency: 12ms)
{ "status": "healthy", "activeUsers": 4892, "dbLatencyMs": 1.4, "workerThreads": 16 }
Cluster: Docker Swarm / K8s100% Uptime SLA

Enterprise Engineering Sprint Lifecycle

High-velocity agile methodology with weekly sprint demos and live progress tracking

Sprint 01

Architecture & DB Schema

Database schema design, entity modeling, security token specs, and microservices topology.

Sprint 02

Core Backend & Mobile

Native/Flutter mobile engineering, state management, and high-throughput backend services.

Sprint 03

Payments & Push Service

Payment gateway sandbox testing, biometric auth, OTP services, and background workers.

Sprint 04

Penetration Test & Launch

Load testing, App Store & Google Play publishing, and 100% full source code git handoff.

Enterprise System Deliverables

Complete deliverables with 100% source code ownership and technical documentation

01

Rapid user ad posting workflow with image upload and geolocation tagging

02

In-app real-time messaging between buyers and sellers

03

Monetization engine for featured listing badges and banner ads

04

Admin moderation dashboard for ad approvals and safety

Enterprise Software & App Investment

From 12,000 to 26,000 EGP (approx. $250 to $550)

One-time project payment (no monthly subscription; optional maintenance contract agreed later).

One-time project investment with 100% full Git repository handoff, API documentation, and engineering warranty.

Create your own successful digital marketplace and bring together sellers and buyers | D-Eclare