Denys Shandiuk

• • Developed and deployed a suite of responsive web applications using React and TypeScript, ensuring seamless integration with Web3 APIs for blockchain-based features.

• • Designed and implemented reusable UI components, reducing development time for new features by 40%.

• • Optimized application performance, achieving a 30% improvement in load times through effective use of memoization and asynchronous rendering techniques.

• • Led the adoption of testing frameworks, including Jest and Cypress, ensuring 90% unit test coverage across critical components.

• • Collaborated with UI/UX designers to deliver pixel-perfect responsive designs, enhancing mobile and desktop usability metrics.

• • Developed and maintained multiple game and mobile applications using React.js (versions 2 and 3) for both iOS and Android platforms.

• • Collaborated with cross-functional teams, including backend developers and UX designers, to create new game views and functionalities, ensuring compatibility across different devices.

• • Implemented unit and end-to-end tests using Jest and Cypress, resulting in a 20% reduction in production bugs.

• • Optimized application performance and debugging processes, improving page load speed by 35%.

• • Assisted in planning and estimating tasks, aligning with project goals and deadlines within an Agile environment.

• • Designed and built interactive game modules and user interfaces using Vue.js and Phaser.js, contributing to an international gaming platform with over 100k active users.

• • Debugged and refactored existing codebase, reducing technical debt and improving maintainability by 40%.

• • Worked closely with project managers to create accurate time estimates for features, enhancing team productivity and alignment.

• • Wrote comprehensive unit and integration tests using Mocha and Chai to ensure application stability.

• • Utilized Linux systems for server setup, deployment, and configuration management.