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I’m building a decentralized application on the Ethereum network and need an experienced Solidity developer to write, test, and deploy the core smart contract that will power the dApp. The contract must follow best practices for security and gas-efficiency and be ready for mainnet once we complete testing. You’ll start by defining the contract architecture with me, then move on to clean, well-commented Solidity code. I prefer a modern workflow—Hardhat or Truffle for compilation and testing, plus [login to view URL] or [login to view URL] for interaction scripts—but I’m open to alternatives if you have a strong preference. Unit tests that reach full branch coverage are essential, along with a brief technical write-up explaining the contract logic, deployment steps, and any upgrade or governance considerations. Deliverable • Audited, production-ready Solidity smart contract • Automated test suite and deployment scripts • Concise documentation (Markdown is fine) If this aligns with your skill set and you have prior Ethereum mainnet experience, let’s discuss timelines and milestones so we can move quickly from development to launch.
Project ID: 40182666
18 proposals
Remote project
Active 2 mos ago
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18 freelancers are bidding on average $17 USD/hour for this job

Hi there, I can help you design, write, test, and deploy a production-ready Solidity smart contract for your Ethereum dApp, with a strong focus on security, gas efficiency, and clean architecture. I’ll start by aligning on the contract structure and use cases, then implement well-commented Solidity code using a modern setup like Hardhat with full unit test coverage, deployment scripts, and clear documentation so your team can easily maintain and extend it. I would request to connect for a quick discussion around your contract logic, upgrade expectations, and target timeline so we can move smoothly toward mainnet launch. Thanks, Rahul A.
$8 USD in 40 days
8.8
8.8

Hello there, we are a team of Blockchain developers and we can do this project in no time. Thanks Ashish from coding jobs on-line.
$30 USD in 40 days
5.4
5.4

karachi, Pakistan
Payment method verified
Member since May 28, 2007
$30-250 USD
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