ernesto

Engineered scalable dApps across Ethereum, Solana, and TON, leveraging Solidity, Rust (Anchor), FunC, Tact, and frontend stacks like React.js, Next.js, Tailwind CSS, Redux, TonConnect, and Wagmi/RainbowKit. Designed and deployed secure, gas-optimized smart contracts using Hardhat, Foundry, Truffle, and audited via Slither, MythX. Built and maintained TON Mini Apps with seamless Telegram integration using TON SDK, TonWeb, TON CLI, and Jetton Standard for token interactions. Developed and deployed Solana smart contracts using SPL Token and Token-2022 standards for custom token minting, transfers, and on-chain program logic. Integrated Token-2022 advanced features such as interest-bearing tokens and confidential transfers into DeFi protocols, enhancing user functionality and privacy. Built full-stack staking platforms with staking/unstaking mechanisms and reward distribution contracts, supporting ERC-20 and SPL Tokens, including vesting periods and time-locked features. Contributed to the development of AI-integrated DeFi solutions and autonomous trading agents, integrating blockchain technology with intelligent chatbots and automated trading systems. Integrated off-chain AI models (TensorFlow/PyTorch) with Ethereum smart contracts using Chainlink Functions, enabling on-chain automation based on AI predictions. Implemented backend services using Node.js, NestJS, Flask, and GraphQL/REST APIs, deployed via Docker, Kubernetes, and AWS/GCP infrastructure. Built real-time systems using WebSockets, Redis, Firebase, and Supabase, with seamless wallet integrations (MetaMask, Phantom, TON Connect). Utilized Uniswap V2/V3, Raydium, Orca, Serum, Jupiter for DEX functionalities, including flash loans, liquidity provisioning, and yield farming strategies. Leveraged Alchemy, Infura, Moralis, TonAPI, and The Graph for scalable blockchain data access and analytics.

Built and deployed smart contracts on Ethereum and Solana, focusing on DeFi, NFTs, DAOs, and cross-chain interoperability using Solidity, Rust (Anchor). Developed staking platforms with token staking, reward distribution, and vesting logic, utilizing ERC-20 and SPL Token standards for cross-chain DeFi solutions. Integrated Chainlink CCIP, LayerZero, Wormhole, Axelar for cross-chain communication and interoperability, improving user accessibility across ecosystems. Designed backend services with Node.js, Express, Flask, MongoDB/PostgreSQL, and real-time interfaces with Web3.js, Ethers.js, and Wallet Adapter integrations. Created oracle-integrated DeFi apps with Chainlink and Pyth, and deployed on Layer 2 solutions for gas optimization (Arbitrum, Polygon). Built user dashboards using React.js, Material UI, and Next.js, accessing blockchain data via The Graph, Alchemy, Moralis. Deployed applications using Docker, Kubernetes, and managed CI/CD pipelines with AWS CodePipeline and GCP Cloud Build. Developed early-stage NFT platforms and DEX integrations using Metaplex, Raydium, Serum, and automated liquidity strategies.

Developed Ethereum-based dApps and smart contracts for token sales, escrows, and identity systems using Solidity, JavaScript, and Python. Implemented staking and reward systems for utility tokens with time-based vesting and unstaking mechanisms, improving token economics and user retention. Built frontends with Angular, HTML/CSS, Tailwind CSS, and Material UI, and created SDKs for third-party dApp integrations. Integrated IPFS for decentralized storage and Firebase for Web3 user management. Created developer tools for smart contract deployment and testing with Hardhat, Truffle, and Ganache. Architected backend systems with Django, PostgreSQL, MySQL, and caching layers using Redis. Documented technical workflows, wrote comprehensive guides, and contributed to open-source blockchain utilities for Web3 devs.