Freelance Blockchain Developers in Gujranwala
Freelance Blockchain Developers in Gujranwala
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Hammad Ehsan Ullah
Gujranwala, Pakistan
AI Engineer | Full-Stack Engineer I Blockchain Developer
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AI Engineer | Full-Stack Engineer I Blockchain Developer
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DeFi Liquidity Protocol — Smart Contract Development A decentralized finance (DeFi) protocol enabling seamless token swaps, liquidity provision, and yield farming with secure smart contracts and intuitive user experience. Platform Features: Automated Market Maker (AMM) with dynamic pricing Multi-chain support (Ethereum, Polygon, Arbitrum, BSC) Liquidity pools with concentrated liquidity (Uniswap V3 style) Yield farming with reward distribution Governance token staking Advanced charting and price feeds Wallet integration (MetaMask, WalletConnect, Rainbow) Smart Contracts: Solidity development with ERC-20, ERC-721 standards Uniswap V2/V3 compatible architecture Gas-optimized code (~40% reduction) Comprehensive security testing & audits OpenZeppelin standard library integration Frontend & Backend: React/Next.js frontend with Wagmi & RainbowKit Node.js backend for indexing & analytics Real-time price feeds & market data PostgreSQL for transaction history TheGraph subgraph for on-chain data queries WebSocket connections for live updates Infrastructure: Docker containerization AWS deployment with auto-scaling CI/CD pipelines (GitHub Actions) Monitoring & alerting systems Tech Stack: Solidity, Web3.js, Ethers.js, React, Next.js, Node.js, TypeScript, PostgreSQL, Docker, AWS This project demonstrates expertise in DeFi protocols, secure smart contract development, blockchain integration, and scalable architecture.
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VulnGuard AI - Smart Contract Vulnerability Scanner VulnGuard AI is an AI-powered smart contract security auditing platform that automatically detects vulnerabilities, security risks, and code quality issues in blockchain smart contracts. The platform leverages machine learning to identify patterns across thousands of contracts and provide actionable security recommendations. Built with Python, LLMs, and production-grade backend APIs for Web3 integration. Key Features: Automated vulnerability detection Machine learning-based pattern recognition Real-time security scanning Detailed risk reports with remediation guidance EVM-compatible blockchain support API integration for developer workflows This project demonstrates full-stack expertise in AI/ML, backend systems, blockchain security, and product development.
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Just shipped IAmAlwaysHere (IASH) - a full-stack social networking platform built for scalable, modern digital communities. 🚀 I worked across the product-from frontend experiences and backend architecture to APIs, authentication, database integration, and core social features. Building IASH meant solving the challenges that come with real social platforms: scalable architecture, smooth user experiences, secure user flows, responsive interfaces, and maintainable full-stack systems. What I worked on: → Full-stack application architecture → Modern responsive frontend → Backend APIs & business logic → Authentication & user management → Database design & integration → Social networking features → Performance & scalability I’m currently open to working with startups, founders, and teams building SaaS, social platforms, AI-powered products, and complex web applications. If you're turning an ambitious product idea into a production-ready platform, let's connect. #FullStackDeveloper #WebDevelopment #SoftwareEngineering #SaaS #Startup #ReactJS #NextJS #NodeJS #WebApp #ProductDevelopment #FreelanceDeveloper #contra
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IAmAlwaysHere (IASH) — Full-Stack Social Networking Platform
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