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HkSolDev/README.md

Hemant Kumar

Solana Smart Contract Developer · Rust · DeFi · Full-Stack

Portfolio · X @HKsoldev · LinkedIn · Telegram

About

I didn't start in blockchain. I started with React, Node.js — shipping production apps for EVs, sports streaming, and tourism. Then I built a token launchpad on Solana. Everything changed.

The mindset shift hooked me: write a great contract, deploy it, it runs forever. No servers. No AWS bills. No DevOps at 3am. Users own their data — not a company sitting on a private database. That's how software should work.

Now I go deep on Rust and on-chain engineering — compute unit efficiency, PDA security, account validation, and DeFi primitives that are hard to break. Rust forces you to be honest. No hidden costs, no GC surprises. Just deterministic and fast.

Open to Solana smart contract, DeFi protocol, or on-chain engineering roles.

What I'm Building

TradeForge — Trustless P2P Marketplace on Solana A trustless platform for users to list, buy, and sell items on-chain. Escrow, reputation, and disputes — all on-chain. Zero trust required. (Still building)

Projects

SolBet — Prediction Market Live · Source Decentralized prediction market on Solana. Users bet on future events with funds locked in secure on-chain escrow until outcome resolution. Solana Rust Anchor Next.js

Pool Fun — Token Launchpad Live · Source Bonding curve token launchpad inspired by Pump.fun. Implements AMM mechanics and dynamic pricing curves for fair, permissionless launches. Solana Rust Anchor Next.js

LimitDex — CLOB DEX Live · Source High-performance central limit order book on Solana. Limit order placement, matching engine logic, and real-time order tracking. Solana Rust Anchor Next.js

SolPay — Crypto Payment Dashboard Live · Source Unified SOL and SPL token transfers, real-time contact syncing, and secure wallet authentication via Privy. Next.js TypeScript Solana Privy Tailwind CSS

LazorKit Wallet — Wallet Adapter UI Kit Live · Source Modern Solana wallet adapter and UI kit for seamless dApp integration. Lightweight, customizable, drop-in ready. Solana Wallet Adapter React Tailwind CSS

NextTube — YouTube Clone Live · Source Full YouTube clone with Next.js SSR, real-time data via YouTube API, robust search, and full responsiveness across all devices. Next.js NextAuth.js YouTube API

Freelance Developer — Calara Barcelona Built an Instagram engagement bot with Puppeteer and a full dashboard for tracking logs, delivery, and errors.

Pinned Loading

  1. predection_market predection_market Public

    On-chain prediction market built on Solana using Rust & Anchor — create markets, place bets, and settle outcomes trustlessly via smart contracts.

    TypeScript

  2. orderBook orderBook Public

    Decentralized order book protocol on Solana. Order place, match, and settle limit orders fully on-chain with Rust & Anchor.

    TypeScript

  3. pool-fun pool-fun Public

    Solana liquidity pool implementation built with Rust & Anchor — deposit, withdraw, and swap tokens via an AMM with on-chain price discovery.

    TypeScript

  4. Solpay Solpay Public

    Solana-based payment protocol built with Rust & Anchor — send, request, and settle SOL/SPL token payments trustlessly on-chain.

    TypeScript