Oleksandr K.

As a senior full-stack and Software & Blockchain developer, 10 years of development experience, with the last 5 years of expertise in Blockchain architecture, Cryptocurrency Wallet Development, Smart Contract, Crypto Coins Exchange Development. Looking for long-term opportunities that appreciate high-quality standards with quality and maintenance code. SERVICE : o Blockchain(Ethereum | Solana | Binance Smart Chain(BSC) | Polygon | Fantom) o Defi, Dex, Dapp development o Smart contract : ERC20, ERC721, ERC721A, ERC1155 o NFT collection generation, minting, marketplace o Development and Audit Smart Contract o Full-stack JS Development EXPERIENCE : - Solidity, TronWeb, Web3.js - NodeJS | ReactJs | VueJs | AngularJs | NextJS - MERN / MEAN stack - HTML5, CSS3, JavaScript, Bootstrap, Material UI, Ant Design, Tailwind - PHP, Laravel, Codeigniter - C, C++, C#