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Building the future with Web3.
🎯
Building the future with Web3.
19 followers · 69 following

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DappCoderr/README.md

Hi, I'm Haardik (dc) 👋🏾

Software Developer Engineer

About Me

I'm backend engineer who enjoys building scalable systems and on-chain products. I love working where Web2 meets Web3 — combining solid backend architectures with decentralized ideas. Always open to new projects, collaborations, and learning something exciting along the way.

Languages & Frameworks

C++ • JavaScript • TypeScript • Node
ExpressJs • MongoDB • Mongoose • REST APIs • WebSockets • Redis
Solidity • Cadence • Foundry • Hardhat • OpenZeppelin • The Graph

Core Strengths

  • Scalable backend architecture (MVC, Repository pattern)
  • Authentication & Authorization (JWT, OAuth2)
  • Caching, Rate Limiting & Throttling
  • API design and performance optimization
  • Smart contract development & DApp integration
  • Cross-chain interactions & blockchain infrastructure

Projects I'm Proud Of

  • On-Chain Bag (OCB) | Website – Yield-bearing NFT protocol on Flow blockchain.
  • CryptoKnight | Website – Educational project to learn Cadence smart contract language through game-building.
  • ImageGram | GitHub – A backend app similar to Instagram built with Node.js, Express & MongoDB.
  • CRM Backend App | GitHub – A scalable CRM backend with Node.js, Express.js, and Mongoose.

🤝 Let’s Connect

Want to chat or collaborate? Reach out to me on X (Twitter)

Pinned Loading

  1. CryptoKnight-Contract CryptoKnight-Contract Public

    Crypto Knight is an educational platform designed to help developers learn Cadence smart contract language similar to Crypto Zombie

    Cadence 2 1

  2. ImageGram ImageGram Public

    A Node.js + Express image-sharing backend using MongoDB, Cloudinary, and MVC architecture. Features image uploads, validation with Zod, and modular routing with Express Router.

    JavaScript

  3. ether-cli-wallet ether-cli-wallet Public

    CLI wallet built with ethers.js to check balances and send ETH.

    JavaScript

  4. Token-Launcher Token-Launcher Public

    Clone of Pump.Fun in Solidity

    Solidity

  5. CRM-Backend-App CRM-Backend-App Public

    JavaScript