Sara S.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

💻 Blockchain Developer | Meme Coin | Smart Contracts | Presale Websites With over 2 years of hands-on experience in blockchain and crypto development, I specialize in creating complete Web3 ecosystems — from meme coin launches and smart contract development to fully functional presale websites and token sale platforms. I've successfully delivered 10+ blockchain projects for startups and enterprises around the world. 🔧 Blockchain & Web3 Development Services 🔹 Smart Contract Development Secure, gas-efficient smart contracts built using Solidity (EVM chains) and Rust (Solana). I ensure code quality, security, and assist in connecting with reputable third-party auditing firms. 🔹 ICO/Presale Platforms & Token Dashboards Custom-built token sale websites with Web3 wallet integration, token purchase (ETH, BSC, SOL, USDT, USDC), presale phase logic, admin control panel, and countdown features — optimized for performance and mobile responsiveness. 🚀 Let’s Build Your Blockchain Project Whether you're planning a meme coin presale, developing a smart contract, or launching a secure token on Ethereum, BSC, or Solana, I bring deep technical expertise and reliable delivery. 📬 Reach out today to discuss your idea — and let’s turn it into reality.