Andrii Vitrenko

WORK HISTORY

EDUCATION

ABOUT ANDRII VITRENKO

Driving Product Growth Through High-Performance UI I\'m a Frontend Engineer with 3 years of experience building scalable, high-performance, and user-centric applications. Specializing in React, Next.js, and TypeScript, I craft seamless UI experiences that boost engagement and business metrics. Impact & Achievements - Led a full website rebranding, implementing a modern UI that aligns with the company’s updated identity and enhances user experience- Introduced a utility-first CSS and dynamic theming approach, reducing the need for new styling code by 70% and enabling seamless brand redesigns- Refactored the component structure into a cohesive UI kit, increasing reusability and eliminating 20% of redundant components, which sped up development- Redesigned the Redux store, removing 60% of redundant parsing functions, streamlining data management, and improving state efficiency- Developed and integrated automated end-to-end tests using Playwright, increasing test coverage and minimizing regression risks. Beyond Code I thrive in collaborative environments, valuing open communication, teamwork, and continuous learning. I enjoy sharing knowledge, mentoring others, and solving complex problems creatively. Outside of work, I’m passionate about cycling for both adventure and fitness, as well as reading to expand my knowledge across different domains, from technology to psychology. Looking for opportunities in fintech, edtech, and product-driven teams where I can contribute to scalability, UI/UX optimization, and performance improvements. Let’s connect and build something impactful together! Tech Stack: React, Next.js, TypeScript, JavaScript, Tailwind CSS, Shadcn-UI, Framer Motion, Redux, Zustand, React Query, Redux Toolkit Query, React Hook Form, Jest, React Testing Library, Playwright, WebSockets, API Integration, REST APIs, Graph QL CI/CD, Feature-Sliced Design, Atomic Design.