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Achievement: QuickdrawAchievement: Pair ExtraordinaireAchievement: Pull SharkAchievement: Starstruck

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snipe-dev/README.md

Backend / Web3 Engineer

Focused on EVM infrastructure, real-time on-chain systems, DeFi execution and wallet-connected dApps.

Core Stack

Languages
TypeScript • JavaScript (ES6+) • Solidity

Frontend & dApps
React • Next.js (App Router) • Tailwind CSS • TanStack Query • RainbowKit

Web3 / Blockchain
viem • wagmi • ethers.js • web3.js • Hardhat
Wallet integration (MetaMask, WalletConnect)
Solana • Metaplex
ERC-721 • IPFS (NFT metadata)
Low-level EVM decoding (logs, calldata, internal calls, traces)

Backend
Node.js • Express

Telegram Bots
grammY • node-telegram-bot-api • Telethon (MTProto)

Databases
PostgreSQL • MongoDB • Redis • SQLite • MySQL / MariaDB

DeFi & Infrastructure
Uniswap V2/V3 • Slippage & liquidity analysis • Multi-hop arbitrage • Gas optimization
Resilient RPC providers • Event-driven systems • High-load Telegram bots

Currently open to
Remote Web3 Fullstack / Backend / DeFi Infrastructure roles (full-time).

Get in touch
Telegram LinkedIn X npm profile Profile Views

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  1. spybot spybot Public

    High-performance Telegram bot for real-time monitoring of EVM wallet transactions. Tracks all activity including internal calls, decodes complex transactions via debug RPC, identifies tokens from s…

    TypeScript 35

  2. evm-bytecode-decompiler evm-bytecode-decompiler Public

    EVM bytecode analysis toolkit for unverified contracts. Extracts function selectors, resolves signatures, executes callable methods, and heuristically decodes responses without ABI. Designed for re…

    TypeScript 11

  3. evm-selector-extractor evm-selector-extractor Public

    Lightweight ethereum virtual machine (EVM) bytecode selector extractor (Node + Browser, zero dependencies)

    TypeScript 14

  4. grammy-message-queue grammy-message-queue Public

    Reliable sequential message queue for Telegram bots built with grammy. Handles rate limits (429), retry_after and preserves message order.

    TypeScript 11

  5. triangle-arbitrage-swap triangle-arbitrage-swap Public

    Direct Swap Router (DSR) for flash-based triangular arbitrage using Uniswap V2 and V3 pools. Executes swaps directly against liquidity pools without external routers. Built for research and explora…

    Solidity 1

  6. nft-ipfs-erc721 nft-ipfs-erc721 Public

    End-to-end ERC-721 workflow: upload images to IPFS via Pinata, generate metadata, deploy an ERC-721 smart contract, mint NFTs automatically, resolve tokenURI, and download images back from IPFS.

    TypeScript 2