Oleksandr

OLEKSANDR VOIEIKOV
Full-Stack Web Developer | Kyiv, Ukraine
oleksandrvoieikov.com
[open contact info](look above in the "contact info" section)
[open contact info](look above in the "contact info" section)
github.com/sanchik77 · Upwork & Freelancehunt verified

Full-stack developer with 2+ years building performance-driven websites and web applications. Specialising in
Next.js, React and Node.js with a strong eye for motion, typography and UI detail. Works end-to-end — strategy,
design, engineering, launch — as a single point of contact. Leverages AI-assisted development workflows to deliver
production-ready products at startup speed.

PROFESSIONAL EXPERIENCE
FREELANCE FULL-STACK WEB DEVELOPER 2025 — Present
Self-employed · Upwork & Freelancehunt · Remote (Kyiv, Ukraine)
Designed and developed 20+ production websites and web apps on Next.js / React, serving clients across the US, EU
and Asia.
Built full REST API backends on Node.js / Express — authentication, third-party integrations, CMS data layers and admin
dashboards.
Implemented motion-driven UIs with GSAP, Framer Motion and Three.js while maintaining 90+ Lighthouse performance
scores.
Integrated AI features (chat assistants, content generation) via OpenAI and Anthropic APIs; maintained a high client-
satisfaction rating with consistent repeat business.
WEB DEVELOPER — WORDPRESS 2024 — 2025
Web Development Studio · Kharkiv, Ukraine
Developed 15+ WordPress websites and WooCommerce stores — from custom themes to fully bespoke plugins.
Converted Figma designs into responsive, pixel-accurate templates with semantic HTML, modern CSS and vanilla
JavaScript.
Integrated payment gateways, CRM systems and third-party APIs; optimised Core Web Vitals and handled post-launch
maintenance.

SKILLS EDUCATION
FRONTEND Kharkiv National University
Next.js, React, TypeScript, JavaScript (ES6+), HTML5, CSS3, Tailwind of Radio Electronics (KhNURE)
CSS, SCSS Kharkiv, Ukraine
ANIMATION & 3D Bachelor's Degree — Computer Science /
GSAP, Framer Motion, Three.js, WebGL, Lenis Software Engineering
BACKEND 2017 — 2021
Node.js, Express, REST API, JWT auth, MongoDB, PostgreSQL
CMS / E-COMMERCE
WordPress, WooCommerce, Sanity, Strapi
TOOLS & DEVOPS
Git, Figma, Vercel, Netlify, Docker (basics), Webpack, Vite
OTHER
AI integrations (OpenAI / Anthropic), SEO, Core Web Vitals, accessibility
METHODOLOGY
AI-augmented development workflows, agent orchestration, rapid
prototyping