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Full-stack Web3 engineer with 7+ years and 50+ shipped projects across DeFi, NFT, GameFi, DAOs, and Layer-2 infrastructure. I take blockchain products from whitepaper to mainnet — secure smart contracts, gas-optimized architecture, wallet-integrated frontends, and the cloud infrastructure that keeps them live. 🔹 What I Build ⬢ Smart Contracts & Protocols — ERC-20, ERC-721, ERC-1155, ERC-4626 vaults, upgradeable proxies (UUPS / Transparent), token vesting, airdrops, staking, governance ⬢ DeFi — DEXs, AMMs, lending markets, yield aggregators, liquidity pools, oracle integrations ⬢ NFT — marketplaces, minting platforms, auctions, royalty splitters, NFT-gated access, dynamic metadata ⬢ Token Launch — ICO / IDO / IEO / IZO, launchpads, presale contracts, anti-bot protection, fair-launch mechanics ⬢ CEX & DEX Development — order books, matching engines, custody, KYC integration, admin panels ⬢ Crypto Wallets — non-custodial wallets (EVM + Solana + Bitcoin), MPC, WalletConnect, Account Abstraction (ERC-4337) ⬢ Cross-Chain — bridges, LayerZero, Wormhole, CCIP, multi-chain deployments ⬢ DAOs & Tokenomics — governance contracts, staker voting, treasury control, vesting schedules, economic modeling ⬢ Trading & Launchpad Bots — sniper bots, MEV-aware execution, escrow bots, airdrop bots, Telegram bots 🔹 Tech Stack ➤ Chains: Ethereum ◆ Arbitrum ◆ Optimism ◆ Base ◆ Polygon ◆ BSC ◆ Avalanche ◆ zkSync ◆ Solana ◆ Bitcoin ◆ TON ➤ Smart Contracts: Solidity ◆ Rust ◆ Vyper ◆ Anchor ◆ Foundry ◆ Hardhat ◆ Truffle ◆ OpenZeppelin ◆ ChainLink ◆ The Graph ◆ IPFS ◆ Slither ◆ Mythril ➤ Frontend: Next.js ◆ React ◆ TypeScript ◆ Tailwind ◆ ethers.js ◆ viem ◆ wagmi ◆ RainbowKit ◆ Web3Modal ◆ Thirdweb ➤ Backend: Node.js ◆ NestJS ◆ Express ◆ Python (FastAPI) ◆ GraphQL ◆ REST ◆ Kafka ◆ RabbitMQ ◆ Redis ➤ Databases: PostgreSQL ◆ MongoDB ◆ MySQL ◆ TimescaleDB ◆ Firebase ➤ DevOps: AWS ◆ GCP ◆ Docker ◆ Kubernetes ◆ GitHub Actions ◆ NGINX ◆ Prometheus ◆ Grafana ➤ Mobile: React Native ◆ Flutter ◆ Swift ◆ Kotlin 🔹 Recent Work 🟢 Litas — Multi-chain CEX + wallet + tokenomics, full-stack product 🟢 BotanixLabs — BTC-reward wallet with EVM + Bitcoin auth, NFT gating, automated payouts 🟢 Zuvu — Decentralized AI governance, upgradeable ERC-20, staker voting, modular architecture 🟢 Mothership Bots — Launchpad bot suite: escrow, token launch, airdrops, treasury EVM + Solana 🔹 Why Hire Me ✦ Zero-Risk Guarantee — Not happy in the first 2 weeks? I walk away. No charge. ✦ 2 Months Free Post-Launch Support — Bug fixes, questions, deployment help. No extra invoice. ✦ Security-First — Slither, Mythril, OpenZeppelin patterns, audit-ready code, no copy-paste contracts ✦ On-Time Delivery — Agile workflow, weekly demos, clear milestones, no ghosting 📑 Also Available: Technical whitepapers, tokenomics modeling, architecture diagrams, pitch-deck technical sections, investor documentation. Ready to ship? Send me the project brief or book a free 20-minute call, I'll come back with a scoped plan, a timeline, and a fixed quote within 24 hours.

I am a highly skilled and experienced Web3/Blockchain developer specializing in Ethereum Virtual Machine (EVM) compatible chains. With a strong command of programming languages such as JavaScript and Solidity, I possess the expertise to deliver innovative and robust blockchain solutions. In the blockchain domain, I am well-versed in Solidity, the primary language used for smart contract development on Ethereum. I am proficient in tools and frameworks such as Hardhat and Ethers.js, as well as web3.js, which enable seamless integration with blockchain networks. On the frontend side, I excel in JavaScript and have hands-on experience with popular libraries and frameworks like React.js and TailwindCSS. I am adept at creating engaging and user-friendly web applications that seamlessly interact with blockchain networks. My expertise extends to developing NFTs/ERC721 smart contracts and accompanying web applications. I have successfully implemented ERC20 token smart contracts and built user-friendly web applications for managing and interacting with these tokens. Additionally, I am capable of creating custom implementations tailored to your unique requirements. As a dedicated and detail-oriented professional, I prioritize delivering high-quality, secure, and scalable blockchain solutions. I am committed to staying up to date with the latest advancements in the blockchain ecosystem to provide cutting-edge solutions that meet your business needs. If you are seeking a web3/Blockchain developer with a deep understanding of EVM compatible chains, proficiency in JavaScript and Solidity, and a track record of delivering successful blockchain projects, I am the right choice. I am ready to contribute my skills and expertise to bring your ideas to life in the decentralized world.

6+ years of experience with EVM chains developing DeFi, staking, swaps, lending, prediction markets, NFT marketplaces, token launches, privacy protocols and web3 games, I build smart contracts and Web3 systems that are meant to go live, not stay in testing. Most of my work involves handling real user flows, real transactions, and systems where mistakes are expensive. That’s why I focus heavily on security, edge cases, and clean architecture instead of just writing code that “works”. I’ve worked across DeFi protocols, DAO systems, token launch platforms, and full-stack dApps, contributing from contract design all the way to backend and integrations. What I Work On → Smart Contracts (Solidity) - Staking, swaps Rewards, Lending, Prediction markets, NFT marketplaces, Token launches, Token sale logic, vesting - ERC20, ERC721, ERC1155 and custom token models - Upgradeable contracts (UUPS / proxy patterns / Diamond Proxy) - DAO governance structures - EVM chains (Ethereum, Polygon, Arbitrum, Base, BNB Chain, Fantom etc.) → Security and Contract Design - Reentrancy protection and safe fund handling - Access control and permission design - Gas optimization (storage, execution efficiency) - Writing and testing with Hardhat and Foundry - Solidity, Foundry, Hardhat, Ethers.js, Node.js, React, TypeScript, Web3, Smart Contracts → Web3 Backend Systems - Node.js and Express APIs - Contract integrations and transaction flows - On-chain and off-chain data sync - Event handling and system design → Advanced Work - Chainlink oracle integrations - ECDSA signature verification - Zero-knowledge integrations (ZK-based systems) - Data indexing with Graphs How I Work → I don’t just code features, I design systems → I think in terms of failure cases, not just happy paths → I keep contracts simple, readable, and secure → I communicate clearly and stick to delivery timelines Experience I’ve contributed to multiple production-level Web3 products, including: → DeFi systems with staking and reward distribution → DAO governance platforms → Token-based ecosystems and launchpads → Applications used by active users, not just test deployments Why Clients Work With Me → Strong focus on security and correctness → Practical understanding of DeFi mechanics → Clean and scalable architecture → No overpromising, just solid delivery Let’s Talk If you need someone who can build reliable smart contracts and Web3 systems without shortcuts, feel free to reach out.

Have you ever launched a blockchain project that looked great on paper but fell apart in production? I've spent 8 years making sure that doesn't happen for token launches, DeFi protocols, NFT platforms, and everything in between. 𝗛𝗲𝗿𝗲'𝘀 𝘄𝗵𝗮𝘁 𝘁𝗵𝗮𝘁 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 𝗹𝗼𝗼𝗸𝘀 𝗹𝗶𝗸𝗲 𝗶𝗻 𝗽𝗿𝗮𝗰𝘁𝗶𝗰𝗲: Delivered an ERC20 token that reached an $18M market cap. Helped a blockchain startup close $10M in funding with audit-ready smart contracts. Built a multi-chain NFT marketplace that generated $1M+ in sales. These aren't team numbers. These are projects I was directly responsible for. 𝗪𝗵𝗮𝘁 𝗰𝗹𝗶𝗲𝗻𝘁𝘀 𝘀𝗮𝘆 𝗮𝗳𝘁𝗲𝗿 𝘄𝗼𝗿𝗸𝗶𝗻𝗴 𝘄𝗶𝘁𝗵 𝗺𝗲: "Delivered ahead of schedule and the contract logic was airtight - exactly what we needed before our raise." "Came back for a second project. That says everything." "Flagged a vulnerability our previous dev missed. Saved us from a serious exploit." 𝗪𝗵𝗼 𝗜 𝘄𝗼𝗿𝗸 𝘄𝗶𝘁𝗵: I work with founders, CTOs, and product teams building serious blockchain infrastructure - not weekend side projects. If your project involves real capital, real users, or a real audit, that's where I'm most useful. 𝗗𝗲𝗙𝗶 𝗽𝗿𝗼𝘁𝗼𝗰𝗼𝗹𝘀: DEX platforms, staking systems, yield farming, token launchpads, cross-chain bridges 𝗧𝗼𝗸𝗲𝗻 𝗲𝗰𝗼𝘀𝘆𝘀𝘁𝗲𝗺𝘀: ERC20, BEP20, SPL tokens with custom tokenomics, vesting, and IDO/ICO structures 𝗡𝗙𝗧 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀: marketplaces, GameFi, dynamic NFTs, royalty systems, IPFS hosting 𝗦𝗺𝗮𝗿𝘁 𝗰𝗼𝗻𝘁𝗿𝗮𝗰𝘁 𝘀𝗲𝗰𝘂𝗿𝗶𝘁𝘆:audit support, vulnerability assessment, gas optimization, test coverage with Hardhat and Foundry 𝗖𝗿𝘆𝗽𝘁𝗼 𝗮𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻: MEV bots, arbitrage systems, Telegram trading bots, copy trading infrastructure 𝗙𝘂𝗹𝗹-𝘀𝘁𝗮𝗰𝗸 𝗱𝗔𝗽𝗽 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: from Solidity or Rust contracts to React/Next.js frontend and Node.js/Python backend 𝗧𝗲𝗰𝗵 𝗜 𝘄𝗼𝗿𝗸 𝘄𝗶𝘁𝗵 𝗱𝗮𝗶𝗹𝘆: 𝗦𝗺𝗮𝗿𝘁 𝗰𝗼𝗻𝘁𝗿𝗮𝗰𝘁𝘀: Solidity, Rust, Hardhat, Foundry, Truffle, Brownie, Anchor, OpenZeppelin 𝗖𝗵𝗮𝗶𝗻𝘀: Ethereum, Solana, Binance Smart Chain, Polygon, Avalanche, TRON 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱: React.js, Next.js, TypeScript 𝗕𝗮𝗰𝗸𝗲𝗻𝗱: Node.js, Python, PostgreSQL, MongoDB, MySQL 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀: Web3.js, Ethers.js, MetaMask, WalletConnect, Infura, Alchemy, Chainlink, IPFS 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 𝗜'𝘃𝗲 𝗯𝘂𝗶𝗹𝘁 𝗳𝗼𝗿: DeFi & crypto infrastructure - protocols, exchanges, launchpads NFT & GameFi - marketplaces, staking dApps, metaverse integrations Blockchain fundraising - ICO/IDO platforms, investor-facing audit-ready contracts Crypto trading & automation - bots, arbitrage systems, on-chain analytics Enterprise blockchain - supply chain, real estate tokenization, identity systems 𝗛𝗼𝘄 𝗜 𝘄𝗼𝗿𝗸: I don't disappear after handing over code. Most of my clients come back for the next project and the one after that. I give daily or weekly updates depending on project scope, flag problems before they become blockers, and write contracts that your auditor won't send back with a list of critical findings. 𝗖𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻: Slack, Telegram, JIRA, Trello, GitHub - whatever your team already uses. 8 years. 3 major outcomes. 0 exploited contracts. If that's the kind of developer you've been looking for, click Invite to Job or send me a message. I'll usually reply within a few hours.

🚀 𝐀𝐈-𝐏𝐨𝐰𝐞𝐫𝐞𝐝 𝐖𝐞𝐛𝟑 𝐀𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬, 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 & 𝐁𝐥𝐨𝐜𝐤𝐜𝐡𝐚𝐢𝐧 𝐈𝐧𝐟𝐫𝐚𝐬𝐭𝐫𝐮𝐜𝐭𝐮𝐫𝐞 ⚡ 𝐒𝐦𝐚𝐫𝐭 𝐂𝐨𝐧𝐭𝐫𝐚𝐜𝐭𝐬, 𝐃𝐞𝐅𝐢 𝐒𝐲𝐬𝐭𝐞𝐦𝐬, 𝐓𝐫𝐚𝐝𝐢𝐧𝐠 𝐁𝐨𝐭𝐬 & 𝐎𝐧-𝐂𝐡𝐚𝐢𝐧 𝐀𝐧𝐚𝐥𝐲𝐭𝐢𝐜𝐬 🔗 𝐄𝐭𝐡𝐞𝐫𝐞𝐮𝐦, 𝐒𝐨𝐥𝐚𝐧𝐚 & 𝐒𝐭𝐞𝐥𝐥𝐚𝐫 (𝐒𝐨𝐫𝐨𝐛𝐚𝐧) 𝐖𝐞𝐛𝟑 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 🤖 𝐀𝐈 𝐀𝐠𝐞𝐧𝐭𝐬, 𝐖𝐚𝐥𝐥𝐞𝐭 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 & 𝐈𝐧𝐭𝐞𝐥𝐥𝐢𝐠𝐞𝐧𝐭 𝐁𝐥𝐨𝐜𝐤𝐜𝐡𝐚𝐢𝐧 𝐖𝐨𝐫𝐤𝐟𝐥𝐨𝐰𝐬 📈 𝐒𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐖𝐞𝐛𝟑 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬 𝐟𝐨𝐫 𝐅𝐢𝐧𝐚𝐧𝐜𝐞, 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐭𝐢𝐞𝐬 & 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 Hi, I'm Adeel Khan, a Blockchain Engineer with 5+ years of experience building AI-powered Web3 applications, smart contracts, trading infrastructure, and blockchain automation systems across Ethereum, Solana (Rust/Anchor), Stellar (Soroban), BNB Chain, Polygon, Arbitrum, and other EVM ecosystems. I specialize in building production-grade blockchain products that combine smart contracts, AI workflows, automation, and scalable backend systems. My experience includes DeFi platforms, launchpads, intelligent trading systems, AI-integrated Web3 apps, wallet analytics, and multi-chain infrastructure used by startups and growing communities. 🚀 Delivered Projects Include: • AI-powered Web3 automation systems • Smart contract development & protocol architecture • Crypto trading & arbitrage bots • Cross-chain token launchpads • Stellar Soroban dApps with passkey authentication • NFT ecosystems & verification platforms • On-chain analytics & wallet tracking systems • Multisig treasury & vault infrastructure • Layer-2 ecosystem development + token infrastructure • Telegram bots & real-time blockchain monitoring tools 🛠 Services I Offer 🔹 Smart Contract Engineering Solidity · Rust · Anchor · Soroban · ERC-20 · ERC-721 · ERC-1155 · staking · vesting · governance · upgradeable contracts 🔹 AI + Blockchain Automation AI agents · automated workflows · wallet monitoring · AI-assisted trading systems · blockchain event automation · intelligent alert systems 🔹 DeFi & Trading Infrastructure DEX integrations · AMMs · liquidity pools · staking dApps · MEV systems · arbitrage bots · trading analytics 🔹 Token Launches & Presale Systems ICO portals · fair launches · launchpads · liquidity setup · claim systems · tokenomics implementation 🔹 NFT Platforms Mint engines · metadata/IPFS pipelines · verification systems · royalty management · airdrop systems 🔹 Web3 Backends & Analytics Blockchain indexing · event listeners · APIs · webhooks · real-time dashboards · wallet analytics 🔹 Cross-Chain Development LayerZero · Wormhole · OFT integrations · relayers · bridge infrastructure 🔹 Security & Smart Contract Audits Security reviews · exploit fixes · gas optimization · Foundry/Hardhat testing ✅ Why Clients Work With Me ✔ Experience building live blockchain products & automation systems ✔ Strong understanding of both Web3 infrastructure and AI workflows ✔ Security-focused architecture with scalable backend engineering ✔ Multi-chain expertise across EVM, Solana & Stellar ecosystems ✔ Fast communication, reliable delivery, and long-term collaboration mindset ⚙ Tech Stack Blockchain: Ethereum · Solana · Stellar (Soroban) · BNB Chain · Polygon · Arbitrum · Base · Optimism · Avalanche · EVM-Compatible Chains Smart Contracts: Solidity · Rust (Anchor) · Soroban · Foundry · Hardhat · ethers.js · viem AI & Automation: OpenAI APIs · AI Agents · LangChain · Automation Workflows · Telegram Bots · On-Chain Monitoring Backend: Node.js · TypeScript · APIs · BullMQ · Webhooks · PostgreSQL Frontend: React · Next.js · wagmi · WalletConnect · Web3Modal #Blockchain #Web3 #AI #Automation #SmartContracts #Solidity #Rust #Anchor #Soroban #Ethereum #Solana #Polygon #BSC #DeFi #DEX #TradingBot #ArbitrageBot #MEV #OnChainAnalytics #AIAgents #CryptoAutomation #Launchpad #CrossChain #LayerZero #Wormhole #NFT #TokenLaunch #Tokenomics #Stellar #Web3Development

20+ smart contracts deployed on Ethereum, BSC, and Polygon. Zero failed audits. 100% client satisfaction. I build production-ready Web3 products — DeFi staking platforms, token launches (ERC-20/SPL), NFT ecosystems, and full dApp frontends using Next.js + Solidity. Not just smart contracts — complete, deployed, working products. I have expertise in building scalable web apps using React.js, Next.js, Node.js, and integrating them with blockchain solutions on Ethereum, BSC, Polygon, and Solana.I build production-ready Web3 apps: smart contracts, NFT minting, DeFi dashboards, wallet integrations (MetaMask, WalletConnect). 𝐖𝐇𝐀𝐓 𝐈 𝐁𝐔𝐈𝐋𝐃: ✔ DeFi Platforms (staking, yield, liquidity) ✔ Token Launches (ERC-20, BEP-20, SPL — presale to DEX listing) ✔ NFT Collections + Minting Sites + Marketplace Integration ✔ Full Stack dApps (Next.js + Ethers.js + Solidity) ✔ Wallet Integration (MetaMask, WalletConnect, Phantom) ✔ Cross-chain Solutions (ETH, BSC, Polygon, Solana) ✔ Smart Contract Auditing & Security Review If you need it built right, deployed on time, and working in production — let's talk. Saba