02 / CASE STUDYFinancial operating platform

VAULTEXP

FINANCIAL ACTIVITY, DATA & OPERATIONS IN ONE CONNECTED PLATFORM.

An operating platform built to bring financial activity, business information, and day-to-day operations into one connected product.

PRODUCTFinancial operating platform
PLATFORMDesktop Web + Mobile Companion
OUR ROLEProduct Engineering
SCOPEPlatform Architecture / Financial Dashboard / Payment Integrations / Mobile Suite
02 /VAULTEXP
FINAL VENTURE SHOWCASE
VaultEXP financial platform - Project Ongoing, Images Coming Soon
02 / THE BRIEF

DISPARATE FINANCIAL DATA CREATED OPERATIONAL BLINDSPOTS.

VaultEXP unifies disparate financial streams, market data, and business operations into a single authoritative workspace. The system was engineered to provide robust web-based management alongside a highly responsive mobile app for on-the-go decisions.

OBJECTIVES
01

SINGLE FINANCIAL SOURCE OF TRUTH

Consolidate transaction data and operational metrics into one PHP-driven view.

02

SEAMLESS MOBILE ACCESS

Enable executives to monitor and approve critical actions on a native mobile app.

03

INTEGRATED PAYMENTS & REPORTING

Automate billing through Stripe and generate instant PDF financial reports.

03 / THE PROBLEM

TOO MUCH FINANCIAL DATA. NOT ENOUGH OPERATIONAL CLARITY.

Financial decision-makers were switching between legacy ERP tools, banking portals, and custom reporting spreadsheets. The difficulty wasn't just storing numbers, but establishing a reliable, custom system so operations teams could act on financial signals immediately.

01

DATA SILOS

Important records were scattered across different platforms, making unified reporting difficult.

02

MOBILE EXPERIENCE

Legacy tools provided terrible mobile experiences, slowing down remote approvals.

03

SECURITY SCOPE

Granular role permissions were required to restrict sensitive ledger views.

04

PERFORMANCE

Mobile apps needed to load heavy financial data quickly, even on weak connections.

04 / WHAT WE HAD TO FIGURE OUT

BEFORE WE BUILT THE SYSTEM,WE HAD TO DECIDE HOW IT SHOULD WORK.

Product decisions determine how software behaves under real conditions. What needed deciding, why it mattered, and the operational direction chosen before writing code.

01

HOW TO BUILD A ROBUST WEB CORE?

A custom PHP architecture with PDO and MySQL provided a lightweight, highly controlled backend without framework overhead.

DECISIONCustom PHP architecture.
02

HOW TO ENSURE FAST MOBILE DATA?

React Query combined with MMKV storage allows the React Native app to aggressively cache data for instant loads.

DECISIONAdvanced client caching.
03

WHAT FINANCIAL ACTIONS ALLOW MOBILE APPROVAL?

Established strict biometric threshold rules allowing secure operational approvals on mobile.

DECISIONBiometric mobile sign-offs.
04

HOW TO AUTOMATE REPORTING?

Integrated Dompdf to generate dynamic, pixel-perfect financial reports directly from the server.

DECISIONAutomated PDF generation.
05 / PRODUCT EXPERIENCE

COMPLEX FINANCIAL INFORMATION NEEDED ONE CLEAR OPERATING VIEW.

The interface organizes corporate ledgers into actionable modules, connecting a powerful web dashboard with a streamlined mobile app.

01WEB OVERVIEW
FINANCIAL POSITION AT A GLANCE
VaultEXP Overview Dashboard

Executive dashboard rendering portfolio balances and activity status.

02MOBILE ACTIVITY
INFORMATION ON THE GO
VaultEXP Mobile Activity Feed

Unified mobile feed replacing clunky mobile banking spreadsheets.

03PAYMENTS
SEAMLESS TRANSACTIONS
VaultEXP Payment Flow

Integrated Stripe processing for quick, secure billing flows.

04OPERATIONS
ONE CONNECTED WORKSPACE
VaultEXP Mobile Operations

Role-scoped approval queues accessible on desktop and mobile.

BEHIND THE EXPERIENCE

WHAT LOOKS SIMPLE TO THE USER REQUIRES STRUCTURE UNDERNEATH.

06 / SYSTEM DESIGN

ONE OPERATING VIEW. MULTIPLE SYSTEMS WORKING TOGETHER.

VaultEXP pairs a highly optimized React Native mobile client with a dependable PHP/MySQL server architecture.

SYSTEM ARCHITECTURE MAPINFORMATION & STATE FLOW
01PHP BACKEND
02MYSQL STORAGE
03REACT NATIVE CLIENT
04MMKV CLIENT CACHE
05STRIPE GATEWAY
SYSTEM STATE MODELRESPONSIBILITY FLOW
01

NATIVE PHP

Lightweight server execution without framework bloat.

02

PERSISTENT CLIENT

React Query and MMKV keep the mobile app fast and available offline.

03

SECURE DATA

Biometric authentication gates sensitive actions on the mobile device.

04

BILLING ENGINE

Direct integration with Stripe APIs for automated financial routing.

IMPLEMENTATIONPHP / MySQL / React Native / React Query
07 / ENGINEERING EXECUTION

ENGINEERED FOR RELIABILITY AND SPEED.

VaultEXP prioritizes stable backend execution with PHP and PDO, while delivering cutting-edge mobile performance through React Native.

01WEB PLATFORM

Custom PHP backend using a front-controller pattern, PDO for safe queries, and integrated PDF generation.

PHP 8 / MySQL
02MOBILE ARCHITECTURE

React Native app leveraging Zustand for state and TanStack Query for robust data fetching and syncing.

React Native / React Query
03MOBILE STORAGE

Utilizing react-native-mmkv for lightning-fast, synchronous local key-value storage.

MMKV / Zustand
04SECURITY & PAYMENTS

Stripe PHP integration for transactions and React Native Biometrics for secure local authentication.

Stripe API / Biometrics
08 / OUTCOME

ONE FINANCIAL OPERATING VIEW ACROSS ENTERPRISE TEAMS.

VaultEXP replaced fragmented spreadsheets and legacy portals with one unified operating platform for real-time financial decisions.

01

SINGLE FINANCIAL SOURCE OF TRUTH

Consolidated business logic and records into a centralized PHP/MySQL architecture.

02

INSTANT MOBILE ACCESS

Aggressive caching allows the mobile app to load complex financial data instantly.

03

BIOMETRIC MOBILE APPROVALS

Executives securely monitor metrics and sign off on urgent transactions away from the desk.

04

STREAMLINED OPERATIONS

Automated PDF reporting and Stripe billing drastically reduce manual accounting work.

DELIVERED RESOLUTION

VaultEXP united disparate financial workflows into a dependable, high-performance platform, enabling teams to operate with confidence across both desktop and mobile.

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