Мар'яна

Mariana Kolinska
Junior Front-End Developer with a strong foundation in HTML5, CSS3, and JavaScript (ES6+). Experienced
in building responsive, user-friendly web applications and interactive interfaces.

📧 [відкрити контакти](див. вище в блоці «контактна інформація») | 💼 Mariana Kolinska | ✈️ @K_Mary13 | 🐙 Github_Portfolio
SKILLS
TECH: HTML5 • CSS3 / SCSS • Flexbox / CSS Grid • Responsive Design • JavaScript (ES6+) • Git /
GitHub / Chrome DevTools • DOM API / BEM Methodology / LocalStorage / CSS Animations • Figma
SOFT: Problem Solving • Adaptability • Attention to Detail • Fast Learner

PROJECTS

Electric Task Master — To-Do App | JavaScript, SVG Filters, CSS Animations, Haptic API

Developed a fully functional To-Do list with a unique UI using SVG filters (feTurbulence) and neon effects.
Implemented CRUD operations, LocalStorage persistence, and Haptic API for mobile feedback. Solved
rendering performance issues on mobile devices to ensure smooth 60fps animations.

TravelGear — E-commerce Web App | JavaScript, LocalStorage, DOM

Developed a responsive e-commerce web application. Implemented shopping cart logic, product quantity
management, and state persistence with LocalStorage. Used DOM manipulation to dynamically update UI.

MNTN — Hiking Guide Landing Page | HTML5, CSS3, Flexbox

Developed a responsive landing page based on a Figma design. Implemented semantic markup, Flexbox
layout, and adaptive typography to ensure correct rendering across different screen sizes.

BanderoGus — Interactive Mini-Game | JavaScript, CSS Animations

Created an interactive mini-game using JavaScript and the DOM API. Implemented event handling, basic
game logic, and CSS animations to provide visual feedback.

EDUCATION & COURSES

EPAM Systems (External Courses) 2025
Completed [Fundamentals] Front-End Q4 2025 and Introduction to Front-End Ukraine 2025.
GoIT — Front-End Marathons Jan 2025 - Apr 2025
Focus: HTML/CSS Layouts, RWD, Basic JavaScript interactions.

WORK EXPERIENCE

Dispatch Engineer — Oil Company Aug 2007 - Present

Coordinated operational processes and maintained technical documentation. Worked with structured data,
accuracy control, and process optimization.

Education

National University of Oil and Gas 2002 - 2007

Master's in Economics | Ukraine