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Skills

  • API Development
  • App & Mobile Programming
  • App Development
  • Data Management
  • Engineering
  • English Language
  • Mobile App Marketing
  • Python
  • Responsive Web Design
  • Software Development
  • Web Development

Services

  • Full Stack Engineer

    $40/hr Starting at $50 Ongoing

    Dedicated Resource

    Hello!👋 I am a Software developer with more than 10 years of experience. I enjoy all the different challenges of web development where every day is new and there are always new things to learn. I'm a...

    API DevelopmentApp & Mobile ProgrammingApp DevelopmentData ManagementEngineering

About

Blockchain Developer

🚀 Overview
Highly skilled Blockchain Developer specializing in Ethereum and Solana smart contracts, DeFi protocol development, trading bots, NFT marketplaces, and custom token creation. Proven ability to deliver secure, production-grade decentralized applications (dApps) with a strong focus on code quality, performance, and user experience.

🛠️ Core Skills
-Smart Contract Development: Solidity (Ethereum), Rust/Anchor (Solana)
-DeFi Protocols: Lending, staking, liquidity pools, yield farming
-Token Standards: ERC-20, ERC-721, ERC-1155, SPL Tokens
-NFT Development: Minting engines, NFT marketplaces, auctions, upgradable NFTs
-Trading Bots: Automated trading strategies, DEX integrations, arbitrage
-Blockchain Integrations: Web3.js, Ethers.js, Solana Web3.js
-Backend: Node.js, Python, Express, GraphQL
-Frontend: React, Angular, Next.js
-Databases: MongoDB, PostgreSQL
-CI/CD & DevOps: Docker, GitHub Actions, cloud deployments
-Security: Contract audits, testing with Hardhat/Foundry, Metaplex Candy Machine v2

📈 What I Do
✅ Design and deploy secure Ethereum and Solana smart contracts
✅ Build DeFi applications with advanced financial primitives
✅ Create and launch custom tokens for fundraising or governance
✅ Develop NFT collections with rarity systems and marketplaces
✅ Engineer high-performance trading bots with DEX/AMM integrations
✅ Integrate blockchain wallets and payment systems into apps
✅ Conduct code reviews and smart contract audits

🌐 Blockchain Ecosystems
-Ethereum: Solidity, Hardhat, Foundry, OpenZeppelin
-Solana: Rust, Anchor, Solana Web3.js, Metaplex
-Layer 2s: Polygon, Arbitrum, Optimism
-Testnets: Sepolia, Holesky (Ethereum), Solana devnet/testnet

⚡ Example Projects
🔹 ERC-20 / SPL Token Launches: Created and deployed multiple fungible tokens with vesting and governance modules
🔹 DeFi Lending Platform: Smart contracts for collateralized loans with liquidation logic
🔹 NFT Marketplace: Built a Solana-based NFT minting and trading platform with upgradeable metadata
🔹 Trading Bots: Automated strategies for arbitrage and market-making across Uniswap, Raydium, Orca
🔹 DAO Tools: Voting contracts, treasury management systems

👨‍💻 Tools & Frameworks
-Hardhat, Foundry, Truffle, Anchor, Remix
-Web3.js, Ethers.js, Solana Web3.js
-React, Next.js, Angular
-Node.js, Express
-Docker, AWS, Vercel

💼 Work Style
-Clear, responsive communication
-Clean, well-documented code
-Emphasis on security best practices
-Agile / Scrum-friendly
-Open to contract, freelance, or full-time roles

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