I will be your blockchain developer for multi chain web3 dapp evm solana cosmos xrpl

United Kingdom

I speak English

Expert React Native and Crypto Wallet Developer for Mobile Solutions

Hello! I'm Leopold, a dedicated React Native app developer with expertise in creating smooth, engaging mobile apps for Android and iOS. Specializing in app development and blockchain crypto wallets, I...
About this Gig

Hi, I'm Leopold a Senior Blockchain & Web3 Developer with 6+ years of experience building decentralized applications across multiple blockchains.


I specialize in professional full-stack Web3 DApps on EVM chains(Ethereum, BSC, Base, Polygon, Arbitrum, etc.), Solana(Rust)CosmosSuiTronTONXRPL, and more.


What I deliver:

- Smart contract development & integration (Solidity, Rust, Move, Tact)

- Modern frontend with React, Next.js, TypeScript & Tailwind CSS

- Multi-chain wallet integration using Reown module (MetaMask, Phantom, Keplr, etc.)

- Backend & API when needed

- Full testing, security best practices, and deployment


Popular projects:

- Token launchpad & presale

- DeFi dashboards & protocols

- Multi-chain bridge

- DAO platforms

- Web3 games

- NFT marketplaces


Why choose me:

- Clean, secure, production-ready code

- Fast communication (reply within 1 hour)

- Transparent process



Send me your idea or preferred networks, and I will reply within 1 hour with a custom plan and quote.


Looking forward to building your multi-chain Web3 DApp!

Purpose:

Collectibles

DeFi

Gaming

Dao

NFT

Smart Contracts

Programming language:

JavaScript

Rust

Solidity

TypeScript

Node.js

Expertise:

Backend

Blockchain development

Front-end development

Keep your assets and information safe

Cryptocurrency services focus solely on developing and programming. Never share sensitive information or private keys with others.