Browse categories
Explore
Fiverr Pro
English
$
USD
I will engineer robust defi smart contracts and web3 protocols
About this Gig
I am a Blockchain Engineer with over 5 years of expertise engineering secure Solidity smart contracts and decentralized protocols. I specialize in designing robust DeFi architectures, including DEXs and staking mechanisms, and have built systems managing over $1M in Total Value Locked (TVL). I prioritize security and efficiency through rigorous deep testing, unit tests, and internal audits using tools like Foundry and Slither. Whether you need a single contract or a complex Web3 protocol, I deliver production-ready code.
Please message me before ordering to discuss your specific architecture!
Tools:
Truffle
•
Solidity Compiler
•
Infura
Programming Language:
Solidity
Industry:
Finance
•
Supply chain
•
Healthcare
•
Real estate
•
Energy
Keep your assets and information safe
Cryptocurrency services focus solely on developing and programming. Never share sensitive information or private keys with others.
FAQ
Do I need to contact you before placing an order?
Yes, absolutely. Every Web3 project has unique architecture and security requirements. Please message me first so we can discuss your specific needs, tokenomics, or protocol logic to ensure I provide the most accurate quote and timeline.
What information do you need from me to get started?
To give you the best result, I need a clear outline of your project. This could be a whitepaper, a detailed technical requirements document, or a step-by-step breakdown of the logic and tokenomics you want the smart contract to execute.
Are your smart contracts tested and secure?
Security is my top priority. I perform rigorous unit testing using industry-standard frameworks like Foundry and Hardhat. I also conduct internal audits using tools like Slither to identify vulnerabilities and optimize gas costs before delivering the final code.
Do you help with deployment to the mainnet?
Yes. Depending on the package you choose, I can deploy your contracts to various testnets (Sepolia, Goerli, etc.) for you to test, and subsequently support the final deployment to the Ethereum mainnet or EVM-compatible Layer 2 networks.
Can you integrate the smart contracts with my frontend/website?
Yes, I have full-stack Web3 capabilities. I can develop and provide the necessary Web3 backend support using Node.js and Ethers.js, and create subgraphs to ensure your frontend can efficiently index and read blockchain data.
What happens if I need changes after the contract is delivered?
I offer revisions based on the package you select to ensure the contract functions exactly as discussed in our initial scope. However, once a contract is deployed to the mainnet, it can only be modified if it was deployed as an upgradeable contract, otherwise a new contract must be deployed.
Can you build complex DeFi protocols or custom standards?
Yes. I specialize in complex architectures including DEXs, staking mechanisms, vesting schedules, and the implementation of advanced or emerging standards and cross-chain interoperability solutions.
