Roswelly Dev

Built smart contract for lottery game and backend and frontend integration. implemented NFT mint and rewards for users who only followed the official twitter by using rapid api. Made ticket purchase system which user buys 6 of ticket number, discord bot service.

Users create tokens with built-in revenue-sharing capabilities. Using Token-2022 standard, RevShare tokens automatically collect transfer fees from every transaction and distribute them proportionally to all token holders

Forked Solana Trojan bot with copy trading and sniper features on pumpfun and bonkfun, raydium. Implemented manual buy /sell on pumpfun. Ensuring in the same block and capturing new token mint By using Jito shredstream and Helius RPC and Jupiter aggregator v6. wallet keypair generation securely

Built smart contracts and dapps for web3 casino games. Implemented casino logic(bets, payouts, jackpots) on-chain and ensuring fairness with provably fair algorithms. Handled deposits, withdrawals, and staking. Integrated NFTs for in-game assets, VIP access, or player rewards.

Built bonding curve smart contract with customization features and made backend. Token creation & bonding ucrve sale, LIquidity migration to a DEX, Auto pool creation with predefined liquidity and lock period, Fee & treasury logic.

Built base smart contract for Coiflip, Dice, Roulette, Crash and random outcomes are generated usingi Chainlink VRF. Integrated price oracles to convert non-native token profits to native token shares for reward.

After detecting new tokne mint and check whitelist and buy and sell the token in the same block including rug and risk detection. While detecting new token is migrated from four.meme to PancakeSwap, snipes migrated token.

Solana Arbitrage Bot with Jupiter AggregatorIntegration A high-performance, real-time arbitrage bot for Solana that identifies and executes profitable price differences across multiple DEXs using Jupiter Aggregator v6, gRPC streaming, Jito bundles, and advanced MEV strategies.

Micropets is 3D NFT staking and referrral system built on BNB Chain. Allows users to stake their NFTs and earn rewards. Users can also share erfer link with friends then friend must purchase and stake them

Monstro.fun is a gamified DeFi platform built around tokenized characters, staking pools, and referral-driven yield mechanics. My focus was on delivering the core technical architecture — ensuring smooth integration between smart contracts, backend services, and the front-end dashboard

Templar Finance is a decentralized reserve-currencye protocol built on BNB chain. It aims to establish a self-sustaining tresury system that supports the intrinsic value of it's native token. It manages its own liquidity and backing assets through a staking, bonding, and treasury management.

MadPaws is an pet services marketplace connecting pet owners with trusted sitters, walkers, and groomers. The platform handles user onboarding, service listings, bookings, payments, and review workflows with strong reliability and scalability requirements.

Contiki is a full-featured travel booking and community platform that allows users to discover, customize, and book curated travel experiences across the world. It emphasizes group experiences, trip planning, and real-time booking mnanagement.

Vacasa provides an end-to-end vacation rental solution where homeowners can list properties, guests can book them, and Vacasa handles evrything from cleaning to dynamic pricing.