Lead Systems Architect / Master Full-Stack Developer (Long-Term Contract)
Job Description
We are seeking a Lead Systems Architect (“Master Developer”) for a long-term partnership to design, secure, and deploy a suite of proprietary applications.
We are starting with Phase 1: a sophisticated podcast + fintech platform, followed by multiple mobile and web applications that will share core architecture, services, and infrastructure.
This is not a short-term freelance task. We are building a multi-app ecosystem and need someone who can own system architecture, security, scalability, and deployment across all phases.
Budget PKR 100,000 – 200,000 (Fixed)
Timeline: 5 weeks
Responsibilities
Architect and build end-to-end systems (frontend, backend, mobile)
Migrate existing React/Vite frontend into Capacitor + Supabase
Build a reusable @core library (Auth, Wallet, Ledger) for future apps
Implement background audio at OS level (iOS & Android)
Design secure financial ledgers (append-only, immutable)
Implement HLS streaming with tokenized / signed access
Set up CI/CD pipelines and secure deployments
Perform a 48-hour technical audit of existing internal code
Identify and report frontend limitations or blockers
Work under strict milestone review and validation
Required Skills (Senior / Master Level Only)Full-Stack
React (Advanced)
TypeScript
Node.js
Backend & Data
Supabase (deep experience required)
PostgreSQL
Real-time data synchronization
Mobile
Capacitor or React Native
Single codebase for iOS & Android
Native handling:
AVAudioSession (iOS)
Foreground Services (Android)
Media & Streaming
Background audio playback
Lock-screen & interruption handling
HLS streaming
Fintech & Security
Stripe Connect (subscriptions & payouts)
Immutable financial ledgers
DevOps
CI/CD pipelines
Automated testing
Cloud infrastructure
Architecture
Modular, reusable, white-label-ready code
Shared core services across multiple applications
App Publishing (Mandatory)
You must already be able to build and publish apps to:
Apple App Store
Google Play Store
Experience handling App Store rejections is required.
Legal Requirements (Non-Negotiable)
NDA required
IP Assignment / Work-for-Hire agreement required
All work is owned exclusively by the Client
NDA & IP apply to anyone on your team
If working under a company, full company details must be provided
Apply now by submitting your application exactly as instructed above. Applications that do not follow the required format will not be considered.
Job Type: Contract
Application Question(s):
Have you personally handled an Apple App Store rejection? What was the reason and how did you resolve it?
How do you ensure podcast audio continues playing when the screen is locked or the user switches apps?
How do you structure reusable core systems (Auth, Wallet, Ledger) for multiple future apps?
Work Location: Remote