Smart Contract Development & Auditing (Solidity)Nawaz Ur Rehman
I design, develop, test, and deploy secure smart contracts on Ethereum and EVM-compatible blockchains (Polygon, BNB Chain, Arbitrum, Base).
What's included:
→ ERC-20 token contracts (custom tokenomics, vesting, locking)
→ ERC-721 / ERC-1155 NFT contracts
→ Staking and reward distribution contracts
→ DAO governance contracts (voting, proposals, treasury)
→ Multisig wallet contracts
→ Smart contract auditing and security review
→ Gas optimization
→ Full test suite with Hardhat or Foundry
→ Deployment + verification on Etherscan
💰 Hourly: $35–$50/hr
💰 Fixed: From $800
⏱ Delivery: 1–3 weeks depending on complexity
Starting at$35 /hr
Tags
Ethereum
Hardhat
Rust
Solana
Solidity
Smart Contract Engineer
auditing
DAO
EVM
Service provided by
Nawaz Ur Rehman Karachi, Pakistan
Smart Contract Development & Auditing (Solidity)Nawaz Ur Rehman
Starting at$35 /hr
Tags
Ethereum
Hardhat
Rust
Solana
Solidity
Smart Contract Engineer
auditing
DAO
EVM
I design, develop, test, and deploy secure smart contracts on Ethereum and EVM-compatible blockchains (Polygon, BNB Chain, Arbitrum, Base).
What's included:
→ ERC-20 token contracts (custom tokenomics, vesting, locking)
→ ERC-721 / ERC-1155 NFT contracts
→ Staking and reward distribution contracts
→ DAO governance contracts (voting, proposals, treasury)
→ Multisig wallet contracts
→ Smart contract auditing and security review
→ Gas optimization
→ Full test suite with Hardhat or Foundry
→ Deployment + verification on Etherscan
💰 Hourly: $35–$50/hr
💰 Fixed: From $800
⏱ Delivery: 1–3 weeks depending on complexity
$35 /hr