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$
USD
I will integrate web3 wallets and smart contracts into your next js dapp
Senior Full Stack Engineer and AI Automation Architect
I engineer high-converting e-commerce systems and AI-driven automations at Imam Estudio. As a Senior Shopify Developer and AI Architect, I partner with modern brands to scale revenue without technical...
Level 1
Has met certain performance criteria and shows strong potential in the marketplace.
About this Gig
Need to connect your Next.js application to Web3 wallets and existing smart contracts?
I build modern, responsive Web3 integration layers that connect your dApp frontend with wallets, deployed contracts, and Web2 infrastructure.
What I can integrate:
MetaMask & WalletConnect
Embedded wallets with Privy or Dynamic
Wagmi + Viem contract interactions
Smart contract read/write functions using your ABI
Wallet authentication and network handling
Token, NFT and wallet balance displays
Transaction states and responsive Web3 UI
Supabase/PostgreSQL database synchronization
Gasless/ERC-4337 functionality for compatible projects
Tech stack: Next.js, React, TypeScript, Wagmi, Viem, WalletConnect, Privy, Supabase.
I focus on the application and integration layer. For contract integrations, you should provide a finalized deployed contract, contract address and ABI.
I do not provide smart contract security audits, private-key custody, liquidity setup or exploit recovery.
Please message me before ordering with your dApp requirements, blockchain/network and existing contract details.
Keep your assets and information safe
Cryptocurrency services focus solely on developing and programming. Never share sensitive information or private keys with others.
My Portfolio
FAQ
Do you develop new smart contracts?
For this Gig, I primarily integrate existing finalized smart contracts into Next.js dApps. Please provide your deployed contract address and ABI. New Solidity contract development is not included in the listed packages.
Can you work with my existing Next.js project?
Yes. I can integrate Web3 functionality into an existing Next.js/React codebase or build the required frontend integration layer for your project.
Which wallets can you integrate?
I can work with MetaMask, WalletConnect/Web3Modal and modern embedded wallet solutions such as Privy or Dynamic, depending on your project requirements.
What do you need from me for smart contract integration?
Please provide the deployed contract address, blockchain/network, ABI JSON file and a clear list of the contract read/write functions that should be available in the UI.
Can you add gasless transactions or ERC-4337 account abstraction?
Yes, for compatible projects. Paymaster, gas sponsorship, embedded smart accounts and ERC-4337 integrations require technical review and may need a custom offer depending on the existing architecture.
Can you connect blockchain data with Supabase or PostgreSQL?
Yes. Premium and custom projects can include synchronization between on-chain activity and an off-chain Supabase/PostgreSQL database when technically appropriate.
Which blockchains do you support?
I focus on EVM-compatible networks such as Ethereum, Base, Polygon, Arbitrum, Optimism and BNB Smart Chain. Please contact me first if you use another network.
Do you need my wallet private key or seed phrase?
No. Never send me your private key or seed phrase. Development and testing should use secure developer/test wallets and approved project credentials.
What happens if my smart contract is still being changed?
Please contact me before ordering. For reliable delivery, contract integration should normally begin after the required contract functions and ABI are finalized and tested.
