Multi-Chain DeFi Trading Platform at Looter Trading Bot
July 1, 2025 - PresentFull multi-chain cryptocurrency trading bot supporting Base, Ethereum, BSC, and Solana — operated entirely through a Telegram interface.
- Wrote and deployed a custom Solidity smart contract (TradingProxy) on Base Network: routes trades through Uniswap V3 and automatically deducts fees in a single atomic transaction — reducing gas costs by 50%
- Complete 3-tier monetization: Free, Pro ($29.99/mo), and Whale ($99.99/mo) with MEV protection and tiered RPC endpoints
- Parallel transaction execution up to 5 concurrent with pre-signed transaction optimization
- Wallet management with encrypted private key storage, multi-chain wallet creation, and liquidity sniping
- Admin revenue dashboard tracking ETH collected, trades per tier, active subscriptions in real time
- Smart contract security: ReentrancyGuard, Ownable access control, emergency token recovery, verified on BaseScan
- PostgreSQL-backed persistent storage for user accounts, subscriptions, and full trade history
Stack: Node.js · Solidity · Hardhat · Ethers.js · PostgreSQL · Telegram API · Uniswap V3 · Base · Ethereum · BSC · Solana
Full multi-chain cryptocurrency trading bot supporting Base, Ethereum, BSC, and Solana — operated entirely through a Telegram interface. - Wrote and deployed a custom Solidity smart contract (TradingProxy) on Base Network: routes trades through Uniswap V3 and automatically deducts fees in a single atomic transaction — reducing gas costs by 50% - Complete 3-tier monetization: Free, Pro ($29.99/mo), and Whale ($99.99/mo) with MEV protection and tiered RPC endpoints - Parallel transaction execution up to 5 concurrent with pre-signed transaction optimization - Wallet management with encrypted private key storage, multi-chain wallet creation, and liquidity sniping - Admin revenue dashboard tracking ETH collected, trades per tier, active subscriptions in real time - Smart contract security: ReentrancyGuard, Ownable access control, emergency token recovery, verified on BaseScan - PostgreSQL-backed persistent storage for user accounts, subscriptions, and full trade history Stack: Node.js · Solidity · Hardhat · Ethers.js · PostgreSQL · Telegram API · Uniswap V3 · Base · Ethereum · BSC · Solana
Skills: Solidity · Smart Contracts · Node.js · PostgreSQL · Blockchain Development · Web3 · Ethereum · DeFi · Telegram Bot API · Hardhat