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Period

Mar 2025 — Present

Technologies

Solidity The Graph React NestJS TypeScript Web3.js ethers.js PostgreSQL WebSocket
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SNF — Sweep n' Flip

Private repository

Production DeFi platform for automated market making of NFTs and tokens across multiple blockchains. A decentralized system with audited smart contracts and real-time on-chain synchronization.

Overview

About the Project

SNF (Sweep n' Flip) is a production DeFi platform for automated market making of NFTs and tokens. It operates across multiple blockchains with audited smart contracts and a real-time on-chain synchronization system.

Technical Highlights

  • Solidity smart contracts with advanced security standards (OpenZeppelin)
  • The Graph Protocol subgraphs for efficient indexing and querying of on-chain data
  • Real-time synchronization via WebSockets and event listeners
  • Web3 interface with multi-wallet support (MetaMask, WalletConnect)
  • Multi-chain: Ethereum, Polygon, Arbitrum

Impact

A production system processing real transactions with liquidity managed automatically by proprietary algorithms.

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