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BIZSYNC

Cross-platform business operations application

STACK
  • TypeScript
  • React Native
  • Expo
  • Expo Router
  • Firebase Auth
  • Electron
01

The System

A cross-platform operations platform. We engineered a single, synchronized codebase to run flawlessly as both a mobile field app and a native back-office desktop app.

02

The Problem

Clients needed real-time data parity between field and office workers. Building two separate native apps doubles costs and guarantees eventual data synchronization failures.

03

The Constraints

(1) Premium native experience across mobile and desktop.

(2) Strict multi-tenant data isolation.

(3) Direct over-the-air testing bypassing app stores.

(4) Centrally managed authentication.

04

The Original Architecture

The standard industry approach uses separate teams for mobile and desktop, resulting in duplicated effort, higher bug rates, and fragmented features.

05

The Breaking Point

MOBILE APP (independent backend) ↔ DESKTOP APP (independent backend).

Disconnected architectures inevitably fracture. Mobile features lag, and cross-platform data falls out of sync.

06

The Architectural Decision

Draft — verify before publishing

We built one core logic engine deployed to both platforms. They share a single secure login system and a unified database, eliminating feature drift entirely.

(draft — confirm which specific APIs actually broke on the Electron port).

07

The Data Engine

A centralized database ensures the desktop dashboard updates the exact millisecond a mobile worker logs an action in the field.

08

The Application Layer

A highly responsive interface that adapts perfectly to touch screens and desktop environments, supported by a direct-to-client deployment pipeline.

09

The Security Model

Client data is structurally isolated at the lowest database level. Cross-tenant data leaks are mathematically prevented, not just hidden by the UI.

10

Security + Performance

A shared backend demands strict engineering discipline, but the operational payoff is massive: absolute, permanent cross-platform synchronization.

11

The Messy Middle

Option A — Build two apps. Rejected: Bug-prone and expensive.

Option B — Mobile-only. Rejected: Ignored back-office needs.

Option C (selected) — One highly engineered codebase for all platforms.

12

Failure Modes

A single source of truth makes data conflicts impossible. Unauthorized access attempts are rejected instantly by the foundational security layer.

13

The Final System

NATIVE CLIENTS → SHARED LOGIC ENGINE → SECURE AUTH → UNIFIED DATABASE.

14

The Numbers

1 shared codebase running flawlessly across 2 distinct platforms.

[MANUAL INPUT REQUIRED: number of client organizations onboarded]

[MANUAL INPUT REQUIRED: which specific Expo/React-Native APIs required an Electron shim]

15

What Changed

Before: Expensive, unsynchronized, disjointed applications.

After: A permanently synchronized, unified business ecosystem.

16

The Engineering Lesson

01 To keep platforms synced, they must share underlying logic, not just UI.

02 True security is built into the database foundation, never the interface.