Build Premium Realtime Audio Social Platform (Flutter + WebRTC + NestJS)
Summary
Freelancer Client is hiring: Build Premium Realtime Audio Social Platform (Flutter + WebRTC + NestJS).
Location: Remote
We are building Sama, a premium realtime 1-to-1 audio social platform focused on:
This is a serious long-term startup project — not a basic MVP.
We are looking for an experienced full-stack development team or agency with strong expertise in:
The product architecture is designed to support future expansion into:
Per-minute pricing Discovery & Matching Expert listings Filters by category/language Ratings & pricing display Realtime availability Random matching Instant connect flow Wallet & Payments Recharge system Cashback/rewards Transaction history Ledger-based wallet Realtime balance updates Commission system Realtime Audio Calling WebRTC-based audio calling Low latency Reconnect handling Call timer Call history Mute/unmute Auto disconnect on low balance Realtime Billing Server-authoritative billing Per-minute charging Auto wallet deduction Fraud prevention Ledger reconciliation Ratings & Reviews User reviews Ratings after calls Reputation system Notifications Push notifications Missed calls Recharge alerts Activity notifications Admin Panel User management Expert moderation Wallet monitoring Fraud detection Realtime analytics Reports & abuse handling --- Preferred Tech Stack Frontend Flutter Modular scalable architecture Premium animations Production-grade UI Backend Node.js + TypeScript NestJS preferred Event-driven architecture Scalable APIs Infrastructure PostgreSQL Redis WebRTC Coturn/TURN server Docker Cloudflare --- Important Requirements We are NOT looking for: beginners low-quality UI template-based apps basic Firebase-only solutions We ARE looking for: scalable architecture realtime expertise production-grade engineering premium mobile experience clean codebase long-term collaboration --- Deliverables Flutter mobile app Backend APIs Realtime infrastructure Admin panel Deployment setup CI/CD Documentation Production deployment support Full source code ownership --- Experience Required Please apply ONLY if you have experience with: WebRTC apps audio/video calling systems realtime matchmaking scalable backend systems wallet/payment systems Flutter production apps When applying, include: 1. Similar projects 2. Architecture approach 3. Team structure 4. Estimated timeline 5. Tech stack recommendation 6. Infrastructure scaling strategy --- Budget Open to: Fixed price OR Milestone-based engagement Priority is quality and scalability over cheapest cost.
Skills: PHP, JavaScript, NoSQL Couch & Mongo, Node.js, AngularJS
Budget: $100000–$200000 USD
Source: Freelancer Client via Remote / Online. Apply on the source website.
Original
We are building Sama, a premium realtime 1-to-1 audio social platform focused on:
expert discovery
realtime matching
monetized audio communication
wallet & billing systems
scalable social infrastructure
This is a serious long-term startup project — not a basic MVP.
We are looking for an experienced full-stack development team or agency with strong expertise in:
Flutter
WebRTC
Node.js / TypeScript
Realtime systems
Redis
PostgreSQL
Scalable backend architecture
Premium mobile UI/UX
The product architecture is designed to support future expansion into:
video calling
group rooms
live streaming
creator ecosystem features
---
Core Features Required
Authentication
Mobile OTP login
JWT authentication
Session/device management
Rate limiting & abuse prevention
User Profiles
Profile creation/editing
Profile images
Bio & nickname
Language preferences
Online/offline states
Expert/Host System
Expert onboarding
Voice verification upload
Admin approval workflow
Verification badges
Per-minute pricing Discovery & Matching Expert listings Filters by category/language Ratings & pricing display Realtime availability Random matching Instant connect flow Wallet & Payments Recharge system Cashback/rewards Transaction history Ledger-based wallet Realtime balance updates Commission system Realtime Audio Calling WebRTC-based audio calling Low latency Reconnect handling Call timer Call history Mute/unmute Auto disconnect on low balance Realtime Billing Server-authoritative billing Per-minute charging Auto wallet deduction Fraud prevention Ledger reconciliation Ratings & Reviews User reviews Ratings after calls Reputation system Notifications Push notifications Missed calls Recharge alerts Activity notifications Admin Panel User management Expert moderation Wallet monitoring Fraud detection Realtime analytics Reports & abuse handling --- Preferred Tech Stack Frontend Flutter Modular scalable architecture Premium animations Production-grade UI Backend Node.js + TypeScript NestJS preferred Event-driven architecture Scalable APIs Infrastructure PostgreSQL Redis WebRTC Coturn/TURN server Docker Cloudflare --- Important Requirements We are NOT looking for: beginners low-quality UI template-based apps basic Firebase-only solutions We ARE looking for: scalable architecture realtime expertise production-grade engineering premium mobile experience clean codebase long-term collaboration --- Deliverables Flutter mobile app Backend APIs Realtime infrastructure Admin panel Deployment setup CI/CD Documentation Production deployment support Full source code ownership --- Experience Required Please apply ONLY if you have experience with: WebRTC apps audio/video calling systems realtime matchmaking scalable backend systems wallet/payment systems Flutter production apps When applying, include: 1. Similar projects 2. Architecture approach 3. Team structure 4. Estimated timeline 5. Tech stack recommendation 6. Infrastructure scaling strategy --- Budget Open to: Fixed price OR Milestone-based engagement Priority is quality and scalability over cheapest cost.
Location & Details
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