Roman Sergeenko

Background

About Roman Sergeenko

Senior Front-End Developer with 8+ years of experience delivering high-performance, scalable web applications. Expert in crafting responsive and user-centric interfaces: Transform complex design mockups into interactive, accessible, and high-performing web solutions using HTML, CSS, and JavaScript/TypeScript. Extensive experience with React.js, Vue.js, specializing in building scalable, reusable components while maintaining clean, efficient, and maintainable codebases. Successfully led front-end development teams, conducted through code reviews, and mentored junior developers to elevate team expertise and productivity. Skilled in optimizing web performance, ensuring cross-browser compatibility, and adhering to accessibility standards. Led the development of frontend architecture for large-scale platforms, including the creation of complex data visualizations and the integration of interactive features. Developed and optimized user interfaces for real-time data systems, improving performance and user interaction. Implemented effective solutions to ensure cross-device and cross-browser compatibility, contributing to scalability and high product quality.