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mrnko/README.md

Oleksii Myronenko

Frontend Developer (HTML, CSS, JavaScript)

Frontend Developer focused on building clean, responsive, and accessible web interfaces using HTML, CSS, and JavaScript. Strong emphasis on semantic markup, performance, and cross-browser compatibility.

Experienced in turning UI/UX designs into functional layouts, working with modern frontend practices, and ensuring consistent user experience across devices.

Comfortable working in team environments, following project requirements, and delivering maintainable and production-ready solutions. Continuously improving skills in frontend development and interface architecture.

Goal-oriented developer aiming to create intuitive, efficient, and scalable user interfaces for real-world products, including experience in iGaming (betting and gaming) platforms.

Skills

  • HTML5 / CSS3 / SASS
  • Responsive Design, Flexbox, CSS Grid, BEM
  • JavaScript (ES6+)
  • Git, Webpack/Vite, npm

Professional Links

Contact

Professional Experience

Frontend Developer — Letim Consulting LLC
2025–2026 | Atlanta, Georgia, United States
Developed responsive interfaces using HTML, CSS and JavaScript based on UI designs. Focused on iGaming web applications.

Frontend Developer — Freelance
2022–2025 | Ukraine
Remote work

Co-founder / Operations & Logistics Manager — Self-employed
2016–2022 | Slovyansk, Ukraine
Responsible for logistics, operations management, supplier coordination, and business development.

Languages

  • English — Intermediate (B1)
  • Ukrainian — Native

Pinned Loading

  1. modern-html5-starter-template modern-html5-starter-template Public

    A minimalistic and modern template for a quick start HTML5-based web project. Includes basic structure with clean and semantic code, adaptive markup, support for modern standards and ready-to-use t…

    SCSS 1

  2. css-normalize css-normalize Public

    A minimalistic and up-to-date CSS reset that provides predictable element behavior across all modern browsers. Great as a starting point for any web project.

    CSS 1

  3. lite-debounce-js lite-debounce-js Public

    A lightweight, dependency-free debounce utility for JavaScript functions. Supports both leading and trailing edge execution. Perfect for input handlers, resize events, and performance optimization …

    JavaScript 1

  4. calculator-js calculator-js Public

    A very simple calculator built using vanilla HTML, CSS and JavaScript.

    CSS 1

  5. fullscreen-page-loader-js fullscreen-page-loader-js Public

    Simple fullscreen loader for your project built using vanilla HTML, CSS and JavaScript.

    CSS 2

  6. sass sass Public

    Some of my experiences for working with Sass (functions, mixins, etc.)

    SCSS 1