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I will develop web3 dapps and solidity smart contracts
Full Stack Web3 and Blockchain Developer
Hello! I'm Harshil Thummar, a Full Stack Web3 and Blockchain Developer with 4+ years of experience building secure and scalable blockchain solutions. I specialize in Solidity, Web3, Node.js, React, Ne...
About this Gig
Looking for a professional Blockchain Developer to build a secure and scalable Web3 application?
I develop complete blockchain solutions including Solidity smart contracts, decentralized applications (DApps), Web3 integrations, and wallet connectivity for Ethereum and EVM-compatible networks.
What I Can Develop
- Custom Solidity smart contracts
- Full-stack Web3 DApps
- ERC-20 token development
- ERC-721 and ERC-1155 NFTs
- DeFi applications
- Staking and reward platforms
- DEX and token swap platforms
- NFT marketplaces
- DAO and governance systems
- Token sale and vesting contracts
- Web3 wallet integration
- Smart contract frontend integration
Technologies I Use
- Solidity
- React.js / Next.js
- Node.js / TypeScript
- Ethers.js / Web3.js
- Hardhat / Foundry
- OpenZeppelin
- MetaMask / WalletConnect
- Ethereum, BNB Chain, Polygon, Base and Arbitrum
What You Receive
- Clean and secure source code
- Tested smart contracts
- Gas-optimized development
- Responsive DApp integration
- Deployment support
- Technical documentation
I focus on building secure, scalable, and production-ready blockchain solutions tailored to your project requirements.
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
Other Blockchain Development & Solutions Services I Offer
FAQ
Which blockchains do you support?
Ethereum, BNB Chain, Polygon, Base, Arbitrum, Avalanche, and other EVM-compatible networks.
What blockchain services do you provide?
Smart contracts, DApps, DeFi, NFT marketplaces, staking, DAO, token development, wallet integration, and custom blockchain solutions.
Can you build custom smart contracts?
Yes. I develop secure, optimized, and fully customized Solidity smart contracts.
Do you fix or upgrade existing smart contracts?
Yes. I can debug, optimize, upgrade, and add new features to existing contracts.
Will you deploy the smart contract?
Yes. I can deploy contracts to both testnets and mainnets and verify them on blockchain explorers.
Do you provide the source code?
Yes. All packages include clean, well-documented source code.
Can you integrate MetaMask and other wallets?
Yes. I integrate MetaMask, WalletConnect, Coinbase Wallet, Trust Wallet, and other popular Web3 wallets
Do you sign an NDA?
Yes. I respect client confidentiality and can work under an NDA if required.
