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$
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I will develop react native expo mobile app with dotnet api and aws backend
Ayyaz Sohail
About this gig
Hi! I build production-grade mobile apps with React Native, Expo, and .NET same stack I used for ReelWave, a TikTok-style social video app built from scratch.
I'm a software engineer with 2+ years building enterprise SaaS used by 1,000+ users, and a Google Summer of Code 2026 contributor on FreeCAD.
TECH STACK
React Native (Expo SDK 54+), TypeScript
ASP.NET Core (.NET 9), PostgreSQL
SignalR for real-time chat
AWS S3 / Cloudflare R2 + CDN
Expo Push Notifications
JWT auth (access + refresh tokens)
WHAT YOU GET
Cross-platform iOS + Android app (Expo)
.NET REST API with Swagger docs
Optimized PostgreSQL schema
Source code on Git
Deployment guidance
WHAT I'VE BUILT
ReelWave: TikTok-style app with feed, chat, video upload
Resumable chunked uploads (5MB, survives app kills)
HLS adaptive video (360p/720p/1080p) via FFmpeg
Real-time chat with typing indicators and read receipts
WHY ME
Clean Architecture, proper state management, secure auth, real documentation. Code your team will thank you for.
Please message me before ordering with project details so I can scope accurately. Let's build something users love.
Get to know Ayyaz Sohail
Ayyaz Sohail
Software Engineer
- FromPakistan
- Member sinceJun 2021
- Avg. response time5 hours
Languages
English
I am a software engineer specializing in building scalable and efficient applications. I have experience in full-stack development, cloud technologies, and AI orchestration, with a focus on clean architecture and event-driven systems.
My Portfolio
FAQ
Will the app work on both iOS and Android?
Yes. I build with Expo (React Native), which produces native iOS and Android apps from a single codebase. You get one app that runs on both platforms with the same backend.
Do you publish the app to App Store and Play Store?
Publishing assistance is included in the Premium package or available as a $150 add-on. I'll help with the Expo EAS build, app signing, store listings, and submission. You'll need your own Apple Developer ($99/yr) and Google Play ($25 once) accounts.
Can the app include video upload like Instagram or TikTok?
Yes. I've built this exact feature in ReelWave — resumable 5MB chunked upload with FFmpeg transcoding to HLS adaptive bitrate (360p / 720p / 1080p). Available on the Premium package or as a custom offer.
Will I own the source code?
Yes. Full source code delivered via Git. You own 100% of both the mobile app and the backend. No proprietary lock-in.
Can you add real-time chat or push notifications?
Real-time chat with SignalR is included in Premium or available as a +$200 add-on (Basic) / +$150 (Standard). Push notifications via Expo are in Standard and Premium, or +$100 add-on for Basic
What if my project is larger than the Premium package?
For larger builds I send a Custom Offer with Milestones — you pay in stages and approve completed work at each step. Great for apps over $1,500 in scope.
