I will develop Solidity smart contracts, Web3 scripts and blockchain automation

Need a smart contract or Web3 script? I build it.

I develop clean, tested blockchain solutions in Solidity and Python/JS. EVM-compatible chains: Ethereum, BSC, Polygon, Arbitrum, Base.

What I do:

  • ERC-20 / ERC-721 / ERC-1155 token contracts
  • Staking and vesting contracts
  • DeFi integrations (Uniswap, PancakeSwap)
  • TRC-20 / BEP-20 contracts
  • Web3.py / ethers.js scripts
  • Wallet monitoring and on-chain alert bots
  • NFT minting scripts and metadata pipelines
  • Blockchain data analysis and transaction parsing

How it works:

  1. You describe what you need
  2. I confirm scope and deliver in 1-3 days
  3. You get tested, documented code

Fast turnaround. Clean code. Message me before ordering if you have questions.

Terms of work
50
ETH, USDT, TIME
+53

More Gigs from Leonardo Caliva

You might also like

Show more