Михайло

MYKHAILO
DEMIANENKO
FULL-STACK D E V E L O P E R

INTRODUCTION
Full-Stack JavaScript Developer (React, Node.js, Firebase). I build responsive React UIs
and develop REST APIs with Node.js/Express, working with SQL/NoSQL databases like
PostgreSQL and Firestore. Focused on performance, clean architecture, and reliable
delivery.

CONTACT
WORK EXPERIENCE
[open contact info](look above in the "contact info" section)
React / Wordpress Developer — CodeBridge
[open contact info](look above in the "contact info" section) 10.2025 - Present
Built and maintained a React front-end: reusable components, responsive UI, state
management
Developed the backend for an application using Node.js
Integrated the UI with back-end APIs: data fetching, error handling, edge cases
Collaborated with designers/PMs to deliver pixel-perfect features and stable releases
Kyiv, Ukraine
Developed custom WordPress themes (PHP/HTML/SCSS/JS) and dynamic sections via ACF
+ CPT
SKILLS Tech: React, React Native, TypeScript, REST APIs, WordPress, PHP, ACF
Developing projects using Lovable AI, V0, Google AI Studio
Frontend: React, TypeScript, React
Freelance Full-Stack JavaScript Developer (React, Next + Node.js) +
Router, Redux Toolkit (or Zustand), WordPress
01.2024 – Present
HTML5, CSS3, Sass/SCSS, BEM, Built modern front-ends using React + TypeScript, including routing (Next.js App
Router / React Router) and state management (Redux Toolkit / Zustand).
Responsive UI, PHP
Developed production-grade applications with Next.js (SSR/SSG/ISR), API
routes, middleware, authentication flows, and SEO optimization.
Backend: Node.js, Express (or NestJS),
Developed back-end services with Node.js, building REST APIs with Fastify and
REST APIs, JWT/Auth, Webhooks Express, implementing JWT-based authentication, validation, and integrating
webhooks.
Databases: MongoDB, PostgreSQL (or Implemented data layer with MongoDB and PostgreSQL/MySQL, using
Mongoose / Prisma for schema modeling, migrations, and queries.
MySQL), Prisma (or Mongoose), Developed full-stack projects using BaaS solutions like Firebase (Auth, Firestore,
Storage).
Firebase
Designed and Built an IoT monitoring MVP using ESP32 system, React, Fastify,

Tools: Git, Docker, Postman, Prisma, SQLite, and Ollama, including sensor data ingestion, photo uploads,
dashboard visualization, AI recommendations,
Swagger/OpenAPI, Vite, Developed WooCommerce online stores, including custom product/page
templates and checkout/cart customizations to match business requirements.
ESLint/Prettier, GA4, GTM, Figma,
Wordpress developer Firmowe Rewolucje Agencja Marketingowa
VSCode, Cursor 12.2024 – 10.2025
Developed WordPress websites (HTML/CSS/JS/PHP) with focus on performance and SEO
Process: Scrum, Kanban
Built pages with Elementor / WPBakery / Gutenberg and maintained existing projects
Customized themes/plugins and implemented client-requested changes

EDUCATION Tech: WordPress, PHP, JavaScript, GA4/GTM, Elementor/WPBakery/Gutenberg

WordPress Developer VAU Agency
STATE UNIVERSITY OF TRADE AND 06.2024 – 12.2024
ECONOMICS Delivered WordPress websites and custom functionality (themes/plugins)
Master's degree Improved SEO and page speed; handled hosting tasks (deployments, backups, migrations)
Implemented analytics tracking: GA4 + GTM (events, conversions)
Tech: WordPress, PHP, JavaScript, GA4, GTM, Performance/SEO