Євгеній

YEVHENII ZHELIZNYK
Frontend Engineer
[відкрити контакти](див. вище в блоці «контактна інформація») [відкрити контакти](див. вище в блоці «контактна інформація») [відкрити контакти](див. вище в блоці «контактна інформація»)
github.com/mkupx freelancehunt.com/Zheka0_1 weblancer.net/Zheka_web Ukraine · Remote

PROFESSIONAL EXPERIENCE SUMMARY
Frontend Engineer Frontend developer with 1+ year of
commercial experience: product web
ObserviX applications with React 19, Next.js 16 and
01/2026 — Present · Ukraine (Remote) TypeScript, plus 10+ delivered freelance
Built the marketing site from scratch on Next.js 16 (App Router, SSR): orders rated 5.0/5. Focused on performance
semantic markup, structured data, SEO optimization (Core Web Vitals, bundle optimization), SEO,
Cut the JS bundle by ~70% (deep imports instead of barrel imports) and internationalization across 20+ locales,
the client-side i18n payload from 296KB to 10KB via namespace splitting responsive markup and GSAP animations.
Implemented platform internationalization across 20+ locales (next-intl);
built responsive UI components with Tailwind CSS 4 TECHNICAL SKILLS
Developed hero and landing page animations with GSAP + Split Type,
increasing user engagement Languages
TypeScript, JavaScript (ES6+), HTML5, CSS3,
Frontend Developer PHP
Freelance Frameworks & Styling
06/2025 — 12/2025 · Remote React 19, Next.js 16, Node.js, WordPress,
Tailwind CSS 4, SCSS / SASS, Bootstrap, BEM,
Delivered 10+ commercial orders on Freelancehunt and Weblancer:
landing pages, e-commerce and corporate sites. Freelancehunt — 5.0 Radix UI, shadcn/ui, Storybook
rating (3 projects), Weblancer — 8 reviews at 5/5 State & Data
Built client sites from Figma/PSD designs: Finance Flow, GoTrieop (travel Zustand, TanStack React Query, React
service), Olonge, Interno — semantic markup, BEM, responsive Context, REST API, Zod, React Hook Form,
Integrated markup into WordPress: custom themes, ACF fields, plugin Formik, Recharts
configuration, PHP; ported scripts from legacy landings to new builds
Animation & Tooling
Optimized load speed to Lighthouse 90+ on mobile: CSS/JS minification,
lazy loading GSAP, Split Type, Framer Motion, CSS
Animations, Git, Vite, Webpack, Gulp, ESLint,
Prettier, Yarn Workspaces, Figma
KEY PROJECTS
Practices & Testing
ObserviX Platform SEO, Core Web Vitals, Lighthouse, i18n (next-
intl), NextAuth.js, MDX, responsive design,
Marketing analytics SaaS platform (commercial project)
accessibility, Playwright, Vitest
Analytics platform frontend: marketing site, portal components, i18n,
SEO, animations. Next.js 16, React 19, TypeScript, Tailwind CSS 4, GSAP,
Zustand LANGUAGES
Ukrainian
Bazarchik Native
Classifieds marketplace (paired with a backend developer)
SPA with authentication, search, user-to-user chat, dashboard and English
CRUD. React 19, React Router 7, Axios, SCSS, Swiper, Vite B1–B2 (Intermediate)

LearnUA
Online course platform (paired with a backend developer)
Education platform with authentication, course creation/editing and dark
theme. TypeScript, React 19, Tailwind CSS 4, DaisyUI, Formik + Yup,
Motion, Vitest, Testing Library