Михайло

MYKHAILO DEMIANENKO
FULL-STACK JAVASCRIPT & WORDPRESS DEVELOPER
Kyiv, Ukraine | [відкрити контакти](див. вище в блоці «контактна інформація») | [відкрити контакти](див. вище в блоці «контактна інформація»)
[відкрити контакти](див. вище в блоці «контактна інформація») | t.me/smailsels

PROFESSIONAL SUMMARY
Full-Stack JavaScript and WordPress Developer with commercial experience building React and Next.js interfaces, Node.js
REST APIs, and custom WordPress and WooCommerce solutions. Experienced with TypeScript, PHP, SQL/NoSQL
databases, Firebase, authentication, and webhooks. Focused on responsive UI, maintainable architecture, performance,
and reliable delivery.

TECHNICAL SKILLS
Frontend: React, Next.js, React Native, TypeScript, JavaScript, React Router, Redux Toolkit, Zustand, HTML5, CSS3,
Sass/SCSS, BEM
Backend: Node.js, Express, Fastify, PHP, REST APIs, JWT, webhooks
WordPress: WordPress, WooCommerce, custom themes/plugins, ACF, CPT, Elementor, Gutenberg, WPBakery
Data: PostgreSQL, MySQL, MongoDB, SQLite, Prisma, Mongoose, Firebase
Tools: Git, Docker, Postman, Swagger/OpenAPI, Vite, ESLint, Prettier, GA4, GTM, Figma, VS Code, Cursor, Lovable, v0, Google
AI Studio, Ollama
Process: Scrum, Kanban

PROFESSIONAL EXPERIENCE
React & WordPress Developer | CodeBridge
Oct 2025 - Present
- Built and maintained reusable, responsive React components and application state.
- Developed Node.js backend functionality and integrated the frontend with REST APIs, covering data fetching, error
handling, and edge cases.
- Worked with designers and project managers to deliver pixel-accurate features and stable releases.
- Built custom WordPress themes and dynamic sections using PHP, HTML, SCSS, JavaScript, ACF, and custom post types.
Freelance Full-Stack JavaScript & WordPress Developer | Self-employed
Jan 2024 - Present
- Built React and TypeScript frontends with Next.js App Router, React Router, Redux Toolkit, and Zustand.
- Developed Next.js applications with SSR, SSG, ISR, API routes, middleware, authentication flows, and SEO optimization.
- Built Node.js REST APIs with Fastify and Express, including JWT authentication, validation, and webhook integrations.
- Implemented data layers with MongoDB, PostgreSQL, MySQL, and SQLite using Prisma and Mongoose for schema
modeling, migrations, and queries.
- Integrated Firebase Auth, Firestore, and Storage in full-stack applications.
- Developed WooCommerce stores with custom product/page templates and checkout/cart customizations.
WordPress Developer | Firmowe Rewolucje Agencja Marketingowa
Dec 2024 - Oct 2025
- Developed and maintained WordPress websites using HTML, CSS, JavaScript, and PHP, with a focus on performance and
SEO.
- Built pages with Elementor, WPBakery, and Gutenberg and maintained existing client projects.
- Customized themes and plugins and implemented client-requested functionality.
WordPress Developer | VAU Agency
Jun 2024 - Dec 2024
- Delivered WordPress websites and custom theme/plugin functionality.
- Improved SEO and page speed and handled hosting tasks, including deployments, backups, and migrations.
- Implemented GA4 and GTM tracking for events and conversions.

SELECTED PROJECT
ESP32-based IoT Monitoring MVP
- Designed and built an IoT monitoring MVP using ESP32, React, Fastify, Prisma, and SQLite.
- Implemented sensor data ingestion, photo uploads, and dashboard visualization.
- Integrated Ollama to generate AI-based recommendations from collected data.

EDUCATION
State University of Trade and Economics | Master's degree