Hire the Best Ethereum Developers
in the United States

I am a senior full stack & blockchain developer with 8+ years of rich, real world experience. I enjoy and understand the importance of both technical and creative aspects during the developmental process and strive to deliver perfect results in the quickest time possible, no matter the circumstances or job requirement. My strongest professional skills are included in the following list: - Front-end: HTML, CSS, JavaScript, Bootstrap, Sass, React/Redux, Typescript, Vue.js, GraphQL, Apollo. - Back-end: Node.js, Django, Laravel and Ruby on Rails - Database: MongoDB, MySQL, PostgreSQL -Software UI/UX Design, Graphic Design -AWS Amplify, S3 bucket. - ERC-721, ERC-20, ERC-1155 smart using solidity. - Firmware development for PIC, ARM and FPGA

👋 Hi, I'm a Full Stack Blockchain Developer | Web3 Engineer | NFT & DeFi Specialist I help startups and enterprises build and scale their ideas into real-world blockchain applications. From early-stage consulting to full product delivery, I partner with businesses to integrate blockchain, NFTs, smart contracts, and decentralized systems into their models, securely and efficiently. With years of hands-on experience, I have developed and led full-cycle blockchain solutions, including NFT marketplaces, DeFi protocols, custom smart contracts, and token launches on Ethereum, Solana, and other major networks. I don't just write code, I offer strategic insight to help you align your tech stack with your business goals. 🔧 What I Do ✅ Custom Blockchain Development – Build solutions tailored to your needs, from the ground up ✅ Smart Contract Development – Design, audit, and deploy secure contracts (ERC-20, ERC-721, ERC-1155) ✅ NFT Marketplace Development – Launch NFT platforms for digital art, real estate, collectibles, and more ✅ **DeFi Protocols** – Develop and integrate staking, farming, token swaps, liquidity pools ✅ **Web3 dApp Development** – User-friendly decentralized applications powered by React, Next.js, and Web3.js ✅ **Crypto Wallet & Exchange Integration** – Secure wallets and seamless crypto transactions ✅ **Blockchain Consulting** – Translate your business idea into a blockchain-ready architecture ✅ **POC/MVP Creation** – Get investor-ready with lean, functional Proof of Concepts ✅ **Private & Permissioned Blockchain Solutions** – Built on Hyperledger, Substrate, or Multichain ✅ **Ongoing Maintenance & Support** – Keep your platforms secure, fast, and up-to-date 💻 Tech Stack I Work With **Blockchain / Smart Contracts** 🔹 Solidity, Rust, Golang 🔹 Ethereum, Solana, Polygon, Binance Smart Chain, Substrate 🔹 ERC-20, ERC-721, ERC-1155 standards 🔹 Truffle, Hardhat, Remix, OpenZeppelin 🔹 Web3.js, Ethers.js, 0x.js 🔹 Metaplex, Anchor, Phantom Wallet Integration 🔹 IPFS, Moralis, OpenSea API 🔹 Crypto Bot and AI Blockchain Tools **Backend Development** 🔸 Node.js, Nest.js, Express.js 🔸 Python, Golang 🔸 PostgreSQL, MongoDB, MySQL 🔸 Firebase, AWS, Azure 🔸 CI/CD: Git, Jenkins, Docker, GitHub Actions **Frontend Development** 🔸 React.js, Next.js, Gatsby, Vue.js 🔸 Tailwind CSS, Material UI 🔸 TypeScript, JavaScript 🧠 Why Clients Work With Me * I take time to **understand your business model**, not just your tech stack * I deliver **clean, scalable, and maintainable code** * I offer **end-to-end solutions**—from concept to post-launch support * I provide **timely communication**, flexibility with time zones, and full transparency * I’ve built **long-term relationships** with clients by being consistent, proactive, and accountable ✅ Let’s Build the Future of Web3 Whether you're launching a **DeFi project**, building an **NFT platform**, or exploring **custom blockchain use-cases**, I can help you build secure, scalable, and user-friendly solutions that deliver real value. 📩 Let’s connect and turn your blockchain vision into reality. 🔍 Keywords (for visibility): blockchain developer, smart contract developer, solidity developer, web3 developer, NFT developer, ethereum developer, solana developer, rust blockchain developer, erc20 developer, erc721 developer, erc1155 developer, defi developer, nft marketplace, crypto wallet developer, smart contracts, full stack blockchain developer, web 3.0 development, ethereum smart contracts, custom blockchain solutions, decentralized app development, dApps, truffle, hardhat, openzeppelin, metaplex, opensea api integration, blockchain consulting, ico development, crypto exchange developer, token development, blockchain maintenance, decentralized finance, layer 1 blockchain, AI crypto bot, blockchain integration

After working in 5 startups and 3 Sillicon Valley companies, I have a long history of designing, developing and deploying entire Blockchain and Full Stack solutions to companies of all sizes. I'm proficient with web3, front end and back end development. Another advantage that I have are my communication skills: I'm good at listening to the client, understanding the requirements and delivering effective and efficient solutions with aggressive deadlines. I have developed multiple projects with great client satisfaction. Some examples include: - NFT Marketplace with tokens reedemable for physical assets (Solidity) - NFT minter for videogame startup (Solidity) - Backend for NFT minting site (Javascript/Typescript) - Taxable ERC20 Token (Solidity) - ERC20 Token on Pancakeswap for a Virtual Reality startup (Solidity) - NFT Smart Contract Audit (Solidity) We can meet for a demo, I can show you the above examples and more. I have extensive experience with Solidity, Hardhat, Python Flask, Python Django, React, React Native, Angular, Ionic, TypeScript, JS and JS frameworks/libraries in general. I'm confident my skills will be very valuable to your project. I understand that you are on a tight schedule. I'd like to follow up ASAP to maximize available time. Please let me know when you're available so we can discuss this in depth. Cheers!

Hello! I'm Alex, a full stack blockchain developer with expertise in smart contract development, bot creation, and front-end integration. Here are some of the skills I bring to the table: Bot Development I’ve built custom bots to monitor DeFi positions, track NFT ownership, and automate transactions across EVM-compatible chains. Smart Contract Development I’ve written, tested, and deployed smart contracts for DeFi protocols, NFT projects, and custom dApps. NFT Projects I've successfully launched multiple NFT projects, handling everything from metadata creation to deployment.​ Front-End Integration I am experienced with ethers/web3.js, and can seamlessly connect smart contracts with front-ends. Technical Consulting I’ve helped dev teams troubleshoot complex issues and keep projects moving efficiently. My goal is to understand your problem and work with you to deliver a clean, effective solution. Looking forward to working together, Alex