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OLEKSANDR ZABOLOTNYI

Frontend / product engineer · Vienna, AT

Building for the web since 2021, based in Vienna. I own product UX and the implementation: a bilingual Next.js platform, client portals, and products I ship myself. I also built Quizzley, an AI quiz platform used by 300+ users. Hands-on with PostgreSQL, MongoDB, Prisma, Docker, Vercel, and AI-assisted workflows. German A2.

SELECTED PROOF

  • WEBFLOW → NEXT.JS PLATFORM
  • DE / EN · SANITY CMS · SSR FOR CRAWLERS
  • 300 CONTRACT TESTS · CI ON PR + MAIN
  • OBRIO · USED BY 300+ EMPLOYEES

EXPERIENCE

  1. SEP 2025 — NOW

    Frontend Developer & Designer

    Marswalk Media

    • — Designed and built a bilingual Next.js 16 / Sanity 5 platform to replace the agency’s Webflow site, plus a production client portal for account managers.
    • — Preserved search equity for the migration: Search-Console-led 308 redirects, hreflang, sitemap, JSON-LD and crawler-readable SSR content.
    • — Built a consent-aware multi-step lead funnel with server-side validation and fail-closed Make delivery.
    • — Established a CI quality gate with 300 Node-based contract tests covering rendering, SEO, redirects, lead delivery and architecture rules.

    Next.js · React · TypeScript · Tailwind · Sanity · MongoDB · GSAP · Three.js · CI · Node contract tests

  2. JAN 2025 — JUL 2025

    Frontend / Product Engineer (Contract)

    OBRIO

    • — Designed and built an internal org-structure dashboard used by 300+ employees (Next.js, TypeScript, Google SSO).

    Next.js · TypeScript · Google SSO

  3. JAN 2024 — DEC 2024

    Freelance Frontend Developer

    Landing pages for early-stage brands

    • — Skelya (career consultation platform), Verus Property (Dubai real estate), Skeptic (fitness platform).
    • — Built and shipped responsive sites from design to production.
    • — Skelya: Next.js site with SEO setup, WayForPay payments and a Telegram-based client-consultant matching flow.
    • — Verus Property on WordPress; Skeptic on Next.js — both with email capture, DNS and hosting setup.

  4. MAR 2023 — NOV 2023

    Frontend Developer

    Kicks Space — sneakers store

    • — Built a responsive e-commerce UI with React and Tailwind CSS.
    • — Implemented adaptive layouts and UI logic across screen sizes.
    • — Agile cross-functional team: sprint planning, code reviews, iterative UX work.

    React · Tailwind CSS

  5. OCT 2022 — APR 2023

    Frontend Developer

    Menudget — smart menu

    • — Developed interactive digital-menu components with Next.js and Tailwind CSS.
    • — Improved responsive behaviour and visual presentation across screen sizes.
    • — Focused on smooth cross-device interaction and clearer presentation of menu features.

    Next.js · Tailwind CSS

STACK

FRONTEND React · Next.js · TypeScript · Tailwind CSS

RUNTIME Node.js · Three.js · GSAP · Motion

DATA PostgreSQL · MongoDB · Prisma · Supabase

TOOLS Git · GitHub · Docker · Vercel · Sanity CMS · Playwright

AI Claude · GPT · Cursor · Codex · MCP

HOW I WORK

  • — Own a feature end to end, from UX decision to production.
  • — Type-safe frontend and reusable component systems.
  • — Performance and rendering quality treated as features.
  • — AI-assisted workflows where they actually save time.

EDUCATION

  • MSc Information Systems and Technologies

    KNEU, Kyiv · Feb 2024—May 2025

  • Frontend Developer Certification

    GoIT, Kyiv · Sep 2021—Aug 2022

LANGUAGES

English
Fluent
German
A2
Ukrainian
Native
Russian
Native
● OPEN TO WORK