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04arush/README.md

Hi, I'm Arush Singh 👋

Blockchain Developer · Smart Contract Engineer · Security Auditor

👨‍💻 About Me

I'm a Blockchain Developer specializing in smart contract development and Web3 technologies. I build production-ready decentralized applications — from automated payroll systems to real estate platforms and event ticketing on Ethereum.

  • 🔭 Currently practicing into DeFi and Auditing for Security and peer-to-peer systems.
  • 🛡️ Strong focus on Smart Contract Security — Reentrancy protection, access control, and input validation
  • 📊 Background in data science and machine learning, bringing analytical thinking to blockchain engineering
  • 💼 Actively seeking Blockchain Developer, Smart Contract Developer & Auditor, or DeFi Engineer roles
  • 🌍 Open to relocate nationally & internationally · Remote friendly

⚙️ Tech Stack

Blockchain & Smart Contracts

Smart Contracts Ethereum Chainlink OpenZeppelin

Programming Languages

Solidity Rust Python SQL

Security & Auditing

Security Audit ZKsync

Development Tools

Foundry Remix IDE Git Docker

📜 Certifications

Certification Issuer Date
🏗 Advanced Foundry Cyfrin Updraft Expected Mar 2026
⚒️ Foundry Fundamentals Cyfrin Updraft Mar 2026
📝 Solidity Smart Contract Development Cyfrin Updraft Jan 2026
🦀 Rust Programming Basics Cyfrin Updraft Feb 2026
🔐 Advanced Web3 Wallet Security Cyfrin Updraft Feb 2026
🛡️ Web3 Wallet Security Basics Cyfrin Updraft Feb 2026
⛓️ Blockchain Basics Cyfrin Updraft Dec 2025

📊 GitHub Stats

GitHub Streak

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  1. Raffle-Contest Raffle-Contest Public

    A decentralized raffle smart contract built with Foundry, with verifiable randomness and autonomous winner selection.

    Solidity

  2. Employee-Payroll-Manager Employee-Payroll-Manager Public

    A decentralized payroll management system built with Solidity for automated salary payments.

    Solidity

  3. AMM-DEX AMM-DEX Public

    A basic Automated Market Maker (AMM) style DEX on the Sepolia testnet, built using Foundry

    Solidity

  4. ERC-20-Token-SHNK ERC-20-Token-SHNK Public

    ERC-20 token implementation using Solidity, Foundry & OpenZeppelin. Deployed on Sepolia testnet.

    Solidity