Денис

Denys Hrychulevych
Front-end Developer

Details Employment History (2 years, 4 months)
Address Front-end Developer, Flawless Group
Odesa Jun 2024 — Present
Ukraine
• Supported 3 company projects, led 2 new ones to release
Phone • On my own initiative refactored and modernized an outdated codebase improving DX
[открыть контакты](см. выше в блоке «контактная информация») and development speed by 30%
• Optimized Core Web Vitals and SEO metrics across multiple projects by approximately
Email
20 points, boosting performance and search rankings.
[открыть контакты](см. выше в блоке «контактная информация»)
• Resolved several dozed of bugs in company's CMS, improving system stability and user
experience.

Links
Front-end Developer, Intellecta
GitHub
Aug 2022 — May 2024
Telegram
• Migrated the entire authentication and user-management system from a client-side to
a server-side architecture, enhancing security and performance.
Skills • Architected and maintained scalable state management solutions using Redux Toolkit
and the Context API.
Next.js • Developed a real-time, cross-device synchronized timer system to improve user
React engagement and tracking.
• Implemented Progressive Web App (PWA) capabilities, including offline functionality
Firebase and a native-like user experience.
PWA
TypeScript Side Projects
Redux Toolkit
TimeBlocks
React Hook Form
Tech stack: Next.js, Firebase, PWA, Redux Toolkit, React Hook Form, Hero UI, React Aria
Tailwind CSS Components, Tailwind CSS, Framer Motion, FSD, Renovate
Material UI https://timeblocks-ashy.vercel.app/
Hero UI (Next UI)
React Aria Components Pet Age Calculator
Motion (Framer Motion) Tech stack: Next.js, Firebase, PWA, React Hook Form, Hero UI, Tailwind CSS, Framer Motion,
FSD, Renovate
Sentry
https://petagecalculator.vercel.app/
Renovate
FSD Number Plates of Ukraine
Tech stack: Next.js, PWA, RTK, redux-persist, MUI, Framer Motion, React Spring, Use
Languages Gesture, FSD, Renovate

English (B2) https://configurator-blond.vercel.app/

Ukrainian (native)
Aytlo
Tech stack: HTML, CSS, JavaScript, Bootstrap
https://aytlo.vercel.app/

Education
National University Odesa Law Academy, Software Engineering Bachelor
Sep 2023 — Jun 2026 Odesa