Alexander S. Email & Phone Number

Ukraine

Kyiv City, Ukraine

Responsibilities:- Developed a desktop application to protect against browser detection with versions for Windows and Linux using ElectronJS.- Developed and supported a CRM application for selling bus tickets, implementing the functionality of generating PDF documents.- Created a CRM application for managing advertising traffic and processing leads, which allowed automating marketing processes.- Developed an admin panel for a web-based video broadcasting platform, providing convenient content and user management.- Used ReactJS, Redux-Toolkit, Material UI and TypeScript to develop effective interfaces with an emphasis on performance and usability.- Integrated Firebase for data storage and user authentication management.- Worked with the Radix UI library to create responsive and cross-platform interfaces.- Participated in the development of a mobile application using React Native.

Sweden, Ukraine

Responsibilities:- Developed a task prioritization platform with integration with Jira and TinyMCE Editor, providing flexibility for task management and content editing.- Built a web application for text recognition in documents using technologies for interaction with Microsoft Azure, including tag management for structuring data.- Developed a web application for generating PDF reports with location statistics, integrating maps and analytics for users.- Developed the client part of the virtual brain, which can be adjusted for various tasks, providing an adaptive solution for problems in real time.- Participated in the creation of a web application for the sale and management of cryptocurrency tokens, integrated blockchain functionality using Web3 and Ethers.js, and developed its mobile version using React Native.- Used ReactJS, Redux, Material UI and TypeScript to create high-performance and responsive interfaces.

United States, France, Ukaraine

Responsibilities:- Developed and maintained a web application for conducting transactions with cryptocurrency tokens, including buying, selling and exchanging.- Integrated Web3 technologies using the web3.js library to interact with the Ethereum and Binance Smart Chain blockchains.- Implemented decentralized functions for interacting with tokens, such as connecting wallets (MetaMask, WalletConnect) and executing smart contracts.

Zaporizhzhya, Ukraine

Responsibilities:- Developed a web application for buying, storing, selling and exchanging game characters using cryptocurrency payments.- Worked on the server part on Node.js, implementing secure APIs for processing transactions and integration with blockchain systems.- Developed the client part of the application on React.js, including dynamic data display, state management using Redux and user authentication.- Integrated Web3 technologies for interaction with cryptocurrency wallets and smart contracts.

Zaporizhia, Ukraine

Responsibilities:- Developed and maintained WordPress-based websites, including creating themes, plugins, and customizing functionality to meet client needs.- Developed landing pages and promotional pages to promote clients' products and services, adapting the design and code to business requirements.- Used HTML5, SCSS, and JavaScript to create modern and responsive interfaces.- Worked with ReactJS and AngularJS to create interactive web applications, improving user experience.