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Mobile App Engineering (iOS & Android)

NovaPay Cross-Platform Digital Wallet & QR Payments

High-security digital wallet mobile application compiled to native ARM machine code with 60fps animations, biometric authentication, and instant QR payments.

Client
NovaPay Global Ltd.
Engineering Role
Lead Flutter Mobile Architect
Deployment Year
2025
NovaPay Cross-Platform Digital Wallet & QR Payments
EXECUTIVE BRIEFING

Problem Space & Project Scope

Engineered for rapid consumer payments, NovaPay features QR code merchant scanning, peer-to-peer money transfers, real-time transaction push notifications, and bank-grade biometric encryption.

INTERACTIVE ENGINEERING LIFECYCLE

Explore the 4 Architecture & Delivery Phases

Click any phase below to inspect specific architectural deliverables, challenges encountered, and technical solutions implemented.

PHASE 01 DETAILS

Fintech Security Architecture & UI System

Architected end-to-end payment encryption, biometric key storage in Secure Enclave, and responsive Flutter widget design tokens.

Key Architectural Deliverables:
Fintech Security Architecture Map
Custom Flutter Theme Tokens
RESTful Wallet API Contracts
⚠️ Technical Challenge

Ensuring zero credential leakage on rooted or jailbroken mobile devices.

🛡️ Architectural Solution

Integrated hardware-backed keystore encryption with runtime integrity validation.

Phase Outcome: Complete financial compliance and hardware-grade security.

Production Performance & Scalability Benchmarks

Target Frame Rate
60–120 FPS
Silky smooth UI performance
App Bundle Size
< 18MB
Lean native production build
Store Approval
48 Hours
100% policy compliance

Production Technology Stack

FlutterDartBiometrics FaceIDFirebase Cloud MessagingREST APISQLite
Tech Stack & Clients
Next.jsFull-Stack Web
ReactFrontend
FlutteriOS & Android
TypeScriptStrict Types
PostgreSQLDatabase
Node.jsBackend API
PlaywrightQA Automation
PrismaORM
DockerDevOps
Python & AILLMs & ML
Tailwind CSSUI Styling
Jet SlateEnterprise Partner
UR Pharmacy POSEnterprise System
Sunehri FintechWeb & Mobile Portal
Next.jsFull-Stack Web
ReactFrontend
FlutteriOS & Android
TypeScriptStrict Types
PostgreSQLDatabase
Node.jsBackend API
PlaywrightQA Automation
PrismaORM
DockerDevOps
Python & AILLMs & ML
Tailwind CSSUI Styling
Jet SlateEnterprise Partner
UR Pharmacy POSEnterprise System
Sunehri FintechWeb & Mobile Portal
ENGINEERING LIFECYCLE • AUTO-PLAYING

Architecting Software With Speed & Precision.

A rigorous 6-phase engineering lifecycle engineered for high-performance web platforms, cross-platform mobile apps, and mission-critical enterprise software.

PHASE 01 OF 06

Discovery, Requirements & System Architecture

We analyze business requirements and engineer robust relational database schemas (PostgreSQL), high-throughput API contracts, and scalable cloud topology before writing a single line of code.

PostgreSQL SchemaAPI ContractsSystem Topology
Discovery, Requirements & System Architecture
FREQUENTLY ASKED QUESTIONS

Everything You Need to Know About Our Engineering.

Clear answers on tech stacks, mobile development, database architectures, pricing tiers, and delivery milestones.

I specialize in Next.js 15 (App Router, Server Actions, Edge SSR), React, TypeScript, Node.js, and PostgreSQL with Prisma ORM. For UI design, I combine modern vanilla CSS and responsive frameworks to achieve 100/100 Core Web Vitals, ultra-fast load times, and pixel-perfect responsiveness.

AVAILABLE FOR NEW CONTRACTS & BUILDS

Ready to Engineer Your Next High-Performance System?

Whether you need a $100 static landing page, a $300 full-stack PostgreSQL web platform, or a custom Flutter mobile app — let's build it with senior-level precision.

✓ 100% Direct Code Ownership✓ Fixed-Price Milestones✓ Automated QA Test Guarantee