🌍 Location: Cairo, Egypt
💼 Role: Senior Blockchain Developer | Full-Stack Web3 Engineer
🎯 Specialization: Solidity Smart Contracts • TypeScript DApps • Python Automation
Full-Stack Blockchain Developer specializing in Solidity smart contracts, TypeScript/JavaScript Web3 applications, and Python blockchain automation tools.
My expertise spans the entire blockchain development stack:
- 🔗 Solidity Smart Contracts (DeFi, NFTs, DAOs, Payment Systems)
- 🌐 TypeScript/JavaScript DApps (React, Next.js, Web3 Integration)
- 🐍 Python Blockchain Tools (Trading Bots, Data Analysis, Automation)
- ⚡ Command Line Mastery (Deployment Scripts, DevOps, Automation)
- 🏢 Enterprise Solutions (Hyperledger, Private Networks)
Currently Senior Blockchain Developer at Nexxora Holding with 6+ years building production-grade blockchain applications.
// My expertise includes advanced Solidity patterns:
✓ ERC-20, ERC-721, ERC-1155 token standards
✓ DeFi protocols (DEX, Lending, Staking, Yield Farming)
✓ Upgradeable contracts (Proxy patterns, Diamond standard)
✓ Gas optimization and security best practices
✓ Cross-chain bridges and Layer 2 integration
✓ DAO governance and voting mechanismsTools & Frameworks:
- Hardhat • Foundry • Truffle • Remix IDE
- OpenZeppelin • Chainlink • Uniswap V2/V3
// Building modern Web3 applications with:
✓ React.js + Next.js for responsive DApp frontends
✓ Node.js + Express for blockchain APIs and services
✓ Web3.js + Ethers.js for smart contract interaction
✓ Wagmi + RainbowKit for wallet integration
✓ TypeScript for type-safe blockchain development
✓ Real-time WebSocket connections for live dataFrontend Stack:
- React • Next.js • Vue.js • Tailwind CSS
- Web3.js • Ethers.js • Wagmi • RainbowKit
Backend Stack:
- Node.js • Express • NestJS • GraphQL
# Python for blockchain development and automation:
✓ Smart contract deployment and testing scripts
✓ Automated trading bots and DeFi strategies
✓ Blockchain data analysis and monitoring tools
✓ Web scraping for market data and analytics
✓ Machine learning for price prediction models
✓ API development for blockchain servicesPython Libraries:
- Web3.py • Brownie • Ape Framework
- Pandas • NumPy • Matplotlib • FastAPI
- Celery • Redis • SQLAlchemy
# Command line expertise for blockchain development:
✓ Bash scripting for deployment automation
✓ Docker containerization for blockchain nodes
✓ Linux server management and optimization
✓ Git workflows and CI/CD pipeline setup
✓ AWS/GCP cloud infrastructure management
✓ Blockchain node setup and maintenanceDevOps Tools:
- Docker • Kubernetes • Linux • AWS • Git
- GitHub Actions • Jenkins • Terraform
Hardhat • Foundry • Truffle • Remix IDE
OpenZeppelin • Chainlink • Uniswap SDK
Slither • MythX • Echidna (Security Testing)
React • Next.js • TypeScript • Tailwind CSS
Web3.js • Ethers.js • Wagmi • RainbowKit
MetaMask • WalletConnect • IPFS • The Graph
Web3.py • Brownie • Ape Framework
FastAPI • Django • Flask • Celery
Pandas • NumPy • Matplotlib • Jupyter
Bash • Zsh • Linux • Docker • Kubernetes
AWS CLI • Git • GitHub Actions • Terraform
PM2 • Nginx • PostgreSQL • MongoDB • Redis
Layer 1: Ethereum • Polygon • Binance Smart Chain • Avalanche • Solana
Layer 2: Optimism • Arbitrum • zkSync • StarkNet • Immutable X
Enterprise: Hyperledger Fabric • R3 Corda • Private Networks
• Automated Market Makers (AMM) like Uniswap
• Lending & Borrowing platforms (Compound-style)
• Yield farming and staking mechanisms
• Flash loan arbitrage systems
• Cross-chain bridge protocols
• ERC-721/ERC-1155 marketplaces
• Generative art collections with metadata
• Royalty and revenue sharing systems
• Auction and bidding mechanisms
• IPFS integration for decentralized storage
• MEV (Maximum Extractable Value) bots
• Automated trading strategies
• Price monitoring and alert systems
• Blockchain data analysis tools
• Smart contract interaction scripts
• Supply chain tracking systems
• Digital identity verification
• Private blockchain networks
• Payment gateway integration
• KYC/AML compliance tools
Solidity ████████████████████████████ 85%
TypeScript ████████████████████████ 75%
JavaScript ███████████████████████ 70%
Python █████████████████████ 65%
Bash/CLI ████████████████ 50%
🌅 Morning: Solidity smart contract development and testing
🌞 Midday: TypeScript/React DApp frontend integration
🌆 Afternoon: Python automation scripts and data analysis
🌙 Evening: Command line deployment and DevOps tasks
Sep 2025 – Present | TypeScript, Solidity, Python
- Built DeFi lending platform with $2M+ TVL using Solidity smart contracts
- Developed React/TypeScript frontend with Web3 wallet integration
- Created Python monitoring tools for real-time protocol analytics
Jan 2025 – Sep 2025 | JavaScript, Solidity, CLI
- Deployed NFT marketplace with 10,000+ minted assets
- Built JavaScript trading bots for automated market making
- Managed Linux servers and deployment pipelines
Sep 2024 – Mar 2025 | Python, Solidity, Bash
- Developed Hyperledger Fabric supply chain solution
- Created Python APIs for blockchain data integration
- Automated deployment with Bash scripts and Docker
Tech: Solidity TypeScript React Python
- Smart contracts managing $500K+ in assets
- TypeScript frontend with real-time APY calculations
- Python backend for yield optimization algorithms
Tech: Solidity JavaScript Node.js IPFS
- ERC-721 contracts with royalty mechanisms
- JavaScript frontend with MetaMask integration
- CLI tools for batch minting and metadata management
Tech: Python Web3.py Bash Docker
- Python bot detecting arbitrage opportunities
- Automated execution with gas optimization
- Bash scripts for deployment and monitoring
🎓 B.Sc. Agricultural Engineering - Kafr El Sheikh University (2019-2023)
- ✅ Blockchain Basics - Coursera
- ✅ Ethereum & Smart Contracts - Coursera
- ✅ Building DApps - Coursera
- ✅ Hyperledger Fabric - Coursera
⚙️ My Development Environment
OS: Ubuntu 22.04 LTS
Terminal: Zsh with Oh My Zsh
Editor: VS Code with Solidity extensions
Node.js: v18+ with npm/yarn
Python: 3.9+ with pip/poetry# Blockchain Development
npm install -g hardhat truffle ganache-cli
pip install web3 brownie-eth eth-ape
# Development Tools
npm install -g typescript ts-node nodemon
pip install fastapi uvicorn celery redis
# DevOps & Deployment
docker, kubectl, terraform, aws-cli
git, gh (GitHub CLI), pm2- Solidity by Juan Blanco
- Hardhat for Visual Studio Code
- TypeScript and JavaScript Nightly
- Python extension by Microsoft
- Docker extension
- GitLens — Git supercharged
📧 Email: wekaali4355@gmail.com
📱 WhatsApp: +20 102 518 4597
🔗 Smart Contract Development - Solidity expert for DeFi, NFT, DAO projects
🌐 Full-Stack DApps - TypeScript/React frontends with Web3 integration
🐍 Blockchain Automation - Python tools for trading, analysis, monitoring
⚡ DevOps & Deployment - CLI automation and infrastructure setup
🏢 Enterprise Consulting - Blockchain architecture and implementation