Oleksandr Yaskulskyi

-Developed and launched a blockchain-based strategy and trading game called PlanetIX on the Polygon network, featuring a virtual copy of our planet as the playing field. -Designed and implemented a comprehensive NFT marketplace integrated within the game, allowing players to buy, sell, and trade unique in-game assets using the ERC721 and ERC1155 standards. -Implemented staking and lottery functionalities within the game, enabling players to earn rewards by staking their assets and participating in periodic prize draws. -Implemented a lending and borrowing platform within the game, allowing players to borrow and lend PIX tokens, facilitating economic activities and creating additional earning opportunities. -Integrated fixed sale, auction sale, and ordering book functionalities into the NFT marketplace, providing users with various methods to buy and sell assets.

-Led the development of mobile applications using Flutter and React native. -Worked closely with UX/UI designers to create intuitive and visually appealing mobile interfaces. -Integrated third-party APIs and libraries to enhance app functionality. -Conducted thorough testing and debugging to ensure app stability and performance. -Collaborated with project managers to prioritize tasks and meet project milestones. -Participated in agile development processes, including daily stand-ups and sprint planning.

-Developed smart contracts on Ethereum and Hyperledger Fabric networks, utilizing programming languages such as Solidity and Go. -Designed and developed decentralized applications (dApps) on various blockchain platforms, including EOS and TRON. -Implemented blockchain-based identity verification systems for financial institutions, utilizing zero-knowledge proofs and other privacy-enhancing technologies.

-Developed responsive websites using HTML, CSS, JavaScript, and various web development frameworks such as React and Angular. -Designed and developed mobile applications for iOS and Android platforms using Flutter, React native, Swift, Java, and Kotlin programming languages. -Conducted thorough testing and debugging to ensure website and mobile app compatibility across multiple devices and platforms. -Integrated third-party APIs and SDKs, such as Google Maps and Firebase, into mobile applications, resulting in improved functionality and user experience.

-Developed and maintained responsive websites using HTML, CSS, JavaScript, and various web development frameworks such as React and Vue.js. -Designed and implemented custom CMS solutions using WordPress and Drupal, resulting in improved content management efficiency for clients. -Collaborated with designers and stakeholders to ensure website design and functionality met project requirements and user needs. -Developed and maintained e-commerce websites, integrating payment gateways and optimizing checkout processes to increase online sales.