I will develop crypto wallet app crypto wallet crypto exchange wallet app

Nigeria

I speak English

App developer

I’m Sappex an expert developer With 7+ years in mobile app development, I’ve built and contributed to products used by teams at Google Cloud, Amazon Web Services, and McKinsey Digital. My work has bee...
About this Gig

Looking to build a secure, scalable and professional crypto wallet app or crypto exchange mobile application?


You are in the right place.


I specialize in developing high-performance blockchain and crypto wallet applications using React Native, Expo, and Flutter, designed for both startups and established Web3 projects.


What I Can Build For You

I will develop a fully functional and secure:

  • Crypto wallet mobile app (iOS & Android)
  • Web3 mobile applications
  • Blockchain wallet integration (MetaMask, WalletConnect, Trust Wallet APIs)
  • Crypto transaction features (send, receive, balance tracking)
  • Token support (ERC-20 / BEP-20)
  • Admin dashboard (optional)
  • Real-time notifications system
  • Secure authentication system


Technologies I Use

  • React Native (Expo / CLI)
  • Flutter
  • Node.js backend (if needed)
  • Web3.js / Ethers.js
  • Solidity (smart contract integration)
  • Firebase / Supabase


Why Choose Me?

  • Clean, scalable code architecture
  • Strong focus on security + performance
  • Mobile-first UI/UX design
  • Blockchain-ready development approach
  • Fast communication and updates


️ Important Note

Please contact me before placing an order so we can discuss your project requirements in detail

Best regards...

Wallet Type:

Mobile digital wallet

Operating system:

iOS

Android

Windows

Supported Features:

2FA

Biometric authentication

Programming Language:

React