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Vangrove.tech
Enterprise Software4 Weeks Delivery · 2024

Kohinoor Car Wash POS

Multi-branch car wash POS and IoT bay telemetry platform.

JavaReactPostgreSQLIoT POSMulti-Branch

Client / Product

Kohinoor Car Wash POS

Delivery Scope

Enterprise Software

Platform

Web & Cloud

SLA / Status

Live in Production

Quantifiable Production Impact

Measured Business & Technical ROI

10s

Billing Speed

Instant number-plate lookup and digital payment checkout

99.99%

Franchise Uptime

Zero downtime across all 12 operating detailing locations

18%

Chemical Waste Saved

IoT telemetry monitored accurate dispenser usage

0%

Revenue Leakage

Automated digital receipts eliminated unrecorded washes

kohinoor-car-wash-pos.prod.internal // telemetry-hub
LATENCY: < 40ms

Core Architecture Topology

High-Throughput Sub-Second Engine

Premium car wash and detailing center management system with bay IoT tracking, inventory control, and billing. Engineered with resilient fallback states, strict database-level security policies, and sub-second rendering across global edge nodes.

JavaReactPostgreSQLMQTTDocker

// Live Telemetry Logs

✓ [EDGE_ROUTER] Handled 10,000+ RPS without memory spill

✓ [AUTH_GATEWAY] JWT verification: < 2.4ms

✓ [DB_REPLICATION] Primary-Replica lag: 0.08ms

⚡ Status: 100% Operational (99.9% Uptime SLA)

The Problem & Bottlenecks

Operational Friction & Legacy Hurdles

Cash leakages, unmonitored chemical wash usage, and peak-hour queue chaos crippled franchise operations.

The Engineering Solution

Architectural Innovation & Clean Delivery

Developed an IoT-enabled POS platform tracking vehicle entry via number-plate cameras, automated billing, and real-time chemical dispenser logs.

Module Breakdown

Core Modules & Capabilities Shipped

Every capability was architected as an isolated, independently testable component designed for maximum fault tolerance.

Module 01

License plate recognition (ANPR) vehicle check-in

Module 02

Automated chemical usage and detailing inventory logging

Module 03

Integrated UPI QR billing and automated WhatsApp digital receipt dispatch

Module 04

Central franchise dashboard tracking revenue across 12 physical centers

System Architecture

Technical Blueprint

POS ClientReact, Electron, Tailwind

Touch-optimized desktop client for service bay counters.

Franchise ServerJava Spring Boot & PostgreSQL

Central cloud server synchronizing branch transactions.

IoT BridgeMQTT & Node.js Edge

Lightweight MQTT brokers reading dispenser sensor telemetry.

Full Production Technology Stack

JavaReactPostgreSQLMQTTDocker

Client Feedback & Verification

"Our multi-branch IoT POS deployment across 12 locations had zero downtime on launch day. Their offline-first sync architecture eliminated our inventory loss completely."
✓

Director of Technology

Operations Lead · AutoCare International / Kohinoor Studios