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achal-singh/README.md

Hey there, Achal here!👋🏻

  • 🔭 Backend Engineer in the Web3 space for 6+ years

  • 👨🏻‍💻 Work Experience:

    • 🧱 Core Contributor at Shardeum (EVM-based L1 Protocol): Contributed to the Core Protocol features and its ancillary services.
    • 🔗 Backend Engineer – Crypto Wallets & Exchanges Designed and deployed scalable APIs and microservices for:
      • 🪙 Asset and wallet management
      • 🔍 Transaction monitoring
      • 📊 Blockchain data aggregation

  • ✨ Beyond the Resumé:

    • 🗣️ Delivered a keynote talk on Solving the Blockchain Trilemma at Google's Dev Fest in New Delhi in 2023.

    • 🧑‍🤝‍🧑 Web3 conferences? Count me in!. I thrive on learning and connecting.

  • 🎯 Continuously seeking opportunities to grow beyond my core tech stack and toolkit. Love wearing multiple hats!

  • 📫 How to reach me: achal.crypto@gmail.com

🛠️ Technologies I Speak (Some Fluently, Some with an accent)

ts,js,nodejs,express,nestjs,solidity,nextjs,react

☁️ Infra, Storage & Tools

postgres,sqlite,prisma,mongo,redis,rabbitmq,aws,docker,postman,git,vscode

🔗 URLs → Me

LinkedIn Twitter Github Stackoverflow

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  1. sprinkler sprinkler Public

    A simple application for hosting Web3 workshops. Onboard attendees via QR codes, track milestones in real-time, and distribute ETH or ERC-20 tokens on testnets, all in one place.

    TypeScript

  2. Arbitrum-Bridge-Service Arbitrum-Bridge-Service Public

    Backend bridge service for Arbitrum: builds unsigned transaction payloads for ETH/ERC‑20 deposits & withdrawals, checks allowances/balances, and provides status APIs to monitor message confirmation…

    TypeScript

  3. Decentralised-Raffle Decentralised-Raffle Public

    A Decentralised Raffle powered by Chainlink's VRF and Automation tools.

    Solidity

  4. ETH-Transaction-Aggregator ETH-Transaction-Aggregator Public

    A CLI tool that fetches and processes the transaction history of an EOA on Ethereum into a CSV file.

    TypeScript

  5. shardeum/shardeum shardeum/shardeum Public

    Shardeum is an EVM based autoscaling blockchain

    TypeScript 31.5k 706

  6. shardeum/core shardeum/core Public

    TypeScript 46 17