Oleh S.

Senior full-stack developer with 10+ years of experience #Web Development building high performing presentations, layers, reusable components and performance optimization with React.js, Redux, Next- JavaScript, HTML, CSS, back-end with Node.js. Specialized in developing 20+ useful, well-constructed websites and applications using React.js and Node.js. Enough experience in Blockchain Technologies like DeFi, DAO, Crypto, Ethereum, Avalanche, Solidity, Solana, web3.js, Smart Contracts (NFT/ERC20/ERC721), ICO/IEO, Exchange Platforms and NFT marketplace. Experience in SQL programming language in MySQL, OraclePL/SQL and other database environments like MongoDB and PostgreSQL. Able to effectively self-manage during independent projects, as well as leading and collaborating with team members on often time sensitive, different time zone (PST, EST), challenging web & blockchain projects that require outstanding creative and technical capabilities. #Unity Game Development Experienced Unity Developer with over 7+ years of experience in writing clean code which bring robust automation. Having strong 3Dmath and linear algebra, skills including innovation, interaction, 3D, motion, visual and prototyping work. Excellent reputation forresolving problems, improving problems, improving satisfaction, and driving overall operational improvements. Consistently saved costs and time while increasing profits. Over the course of 10 years I have worked with a vast amount of technologies. Main Skills: ✅ Blockchain, Crypto, Solidity, Smart contract (ERC20, ERC721), NFT, web3.js, ether.js, Dapp, DAO, Defi, NFT, NFT marketplace, Opensea ✅ React, React Hooks, React Context, ✅ Unity3D, C++/C#, Mobile(Android, iOS), HMI, Pixel Perfect, FPS, RTS, Hyper Casual, Metaverse, AR/VR ✅ Tailwind CSS, Material-UI, Bootstrap ✅ GraphQL, Apollo ✅ Node.js, Express.js, Hapi.js ✅ PHP, Wordpress, Laravel, Shopify, Yii, Symfony, Mangeto ✅ MongoDB, Mysql, PostgreSQL, DynamoDB, Google Apps ✅ AWS, DigitalOcean, Heroku