Browse categories
Explore
Fiverr Pro
English
$
USD
I will integrate web3 wallet smart contracts and blockchain into your dapp
Blockchain Developer , Secure DeFi and Smart Contract Specialist
"As a seasoned blockchain developer, Xaviermarvic specializes in creating and forking decentralized applications (dApps), smart contracts, and token systems for various blockchain networks. With exper...
About this Gig
A great Web3 product isn't just about deploying smart contracts. It needs a secure frontend, wallet connection, reliable blockchain communication, and a user experience that feels effortless.
I help startups, founders, and development teams integrate modern Web3 functionality into new or existing applications using production-ready tools and best practices.
Whether you're building a DeFi platform, NFT marketplace, DAO, token dashboard, GameFi project, or SaaS product, I can connect your frontend with blockchain infrastructure securely and efficiently.
What I can integrate:
MetaMask
WalletConnect
Phantom Wallet
Coinbase Wallet
Smart Contract Integration
Web3 Authentication (SIWE)
Token Transfers
NFT Minting
NFT Marketplace Functions
Staking Dashboard
Token Balance & Portfolio
Transaction History
Multi-chain Support
Contract Read & Write Functions
Gas Estimation
Event Listeners
Wallet Session Management
Technologies:
React.js
Next.js
TypeScript
Ethers.js
Viem
Wagmi
Web3.js
Solana Web3.js
RainbowKit
Reown (WalletConnect)
Thirdweb
Please contact me before placing your order so we can discuss your project requirements and recommend the most suitable package.
Keep your assets and information safe
Cryptocurrency services focus solely on developing and programming. Never share sensitive information or private keys with others.
Other Blockchain Development & Solutions Services I Offer
FAQ
Can you integrate with an existing smart contract?
Yes. If your contract is already deployed, I can connect it to your frontend and implement all required interactions.
Can you work with React or Next.js projects?
Yes. I primarily work with React, Next.js, TypeScript, and modern Web3 libraries.
Which wallets do you support?
MetaMask, WalletConnect, Phantom, Coinbase Wallet, and other EVM-compatible wallets.
Which blockchains do you support?
Ethereum, Base, Polygon, BNB Chain, Arbitrum, Optimism, Avalanche, and Solana.
Do you also build smart contracts?
Yes. If needed, I can develop or integrate Solidity smart contracts as part of your project.
