Anastasia

ANASTASIA KOROLKO
FRONTEND DEVELOPER

Driven front-end developer with a strong foundation in JavaScript,
React, Redux, Next.js, Vue2/ Vue3, RTK Query, TypeScript, SCSS,
HTML, CSS, Git and basic backend knowledge (Node.js, Express).
CONTACT Built three projects, including a React-based phone catalog and a
responsive landing page with optimized loading speed. Formerly a
[відкрити контакти](див. вище в блоці «контактна інформація») designer, improved workflows by 50%, honing attention to detail
and adaptability. Passionate about problem-solving, clean code,
@AnastasiaKorolko and performance optimization. Familiar with Scrum, Agile, and
version control workflows.
[відкрити контакти](див. вище в блоці «контактна інформація»)
LinkedIn EXPERIENCE
GitHub
Frontend Engineer SKELAR| TENTENS Tech | Jun 2025 –
Kyiv, Ukraine
January 2026

SKILLS Responsibilities:

Integrated new payment methods and providers, including
Typescript, JavaScript
data validation and close coordination with backend
TPS://[відкрити контакти](див. вище в блоці «контактна інформація»)
React, Redux-toolkit, React engineers.
STASIA-KOROLKO-299A0B353/T Owned frontend task decomposition, effort estimation, and
Query
team planning.
Next.js Implemented event tracking tasks; collaborated with an
Vue2/ Vue3 analyst to collect, validate, and verify data.
HTML5, CSS3, Sass (SCSS), BEM, Worked closely with designers to maintain and evolve the
design system within the existing codebase.Zustland
Material UI Developed new websites and pages for additional product
Node.js, Express features; fixed bugs, including those related to third-party
integrations.
Fetch, REST API, Web sockets
Set up Sentry for a new repository, ensuring error monitoring
PostgreSQL and logging.
Git, Webpack, Vite, Babel, Participated in frontend initiatives to migrate components to
Vue 3 Composition API.
Docker, Eslint, Prettier
Delivered internal lectures and knowledge-sharing sessions,
Basic OOP understanding gradually expanding areas of responsibility.
Knowledge of SDLC, Waterfall, Wrote component tests to ensure coverage of new
functionality.
Agile concepts (Scrum, Kanban)
Managed tasks in Asana, resolved UI issues and minor bugs,
English: Intermediate and maintained overall product stability.
Participated in code reviews, followed frontend standards, and
EDUCATION contributed to improving code quality and maintainability.

Kyiv National University Tech Stack:
Tehnologies and Design Vue.js 2/3, Vue Router v3/v4, Pinia, Playwright, UI-
Master’s Degree in Fashion
components lib, CI/CD (GitLab CI)
Design and Engineering

2010 – 2014
 Frontend Developer, Freelance | Jun 2024 – Jun 2025
ADDITIONAL Developed web applications with React and JavaScript:
EDUCATION built functional components with hooks and a library of
reusable components.
Utilized HTML5, CSS3 (SASS/SCSS), Flexbox/Grid, and
Frontend course at Mate optimized mobile loading speed (-30%).
academy (Git, HTML, CSS, For backend integration connected REST APIs using
JavaScript, Typescript, React, Axios/fetch and managed state with Redux/Context API.
Web) Collaborative teamwork: followed Agile methodologies,
FreeCodeCamp (HTML, CSS, used Git/GitHub, and participated in code reviews to
JavaScript) improve quality.
HILLEL IT school, UI/UX
designer, 2018 - 2018 PORTFOLIO
Udemy: Learn to Program in
Javascript: Beginner to Pro.
Javascript Essentials. PixelFlow Landing – fully responsive landing page with a mobile-
Responsive Web & Mobile first approach, interactive navigation, and optimized layout [HTML,
Development in HTML, CSS SCSS, JavaScript, Grid, Flexbox].
& Javascript Demo | GitHub Code
Book: "You Don't Know JS" —
SweetBite Bakery – modern landing page for a bakery business with
Kyle Simpson
smooth animations and adaptive design [HTML, SCSS, JavaScript,
Book: "The art of doing twice
Flexbox, Grid].
the work in half the time" —
Demo | GitHub Code
Jeff Sutherland
TileMerge 2048 – browser-based version of the 2048 puzzle game
with a clean UI and smooth animations [JavaScript, HTML, CSS].
Demo | GitHub Code

TechNest Phone Store – dynamic e-commerce app with a product
TTPS://[відкрити контакти](див. вище в блоці «контактна інформація») catalog, shopping cart, and favorites list [React, Redux, TypeScript,
SCSS, REST API].
STASIA-KOROLKO-299A0B353/V
Demo | GitHub Code

OTHER EXPERIENCE

Surface/Craphic designer, Freelance | Oct 2019 – May 2024
Technologies: Photoshop, Illustrator, Procreate
Increased productivity by 50%, optimizing workflows in custom fashion
design.
Created over 100 unique textile patterns and hand-painted garments.
Improved visual appeal of designs by 92% through advanced detailing.
Designed custom fashion pieces, adapting prints for different materials
and techniques.

Textile Designer, Remote | Oct 2017 - Sep 2019
Technologies: Photoshop, Illustrator
Developed high-quality fabric prints for men's accessories and apparel
Designed hand-drawn tie patterns and adapted them for digital printing
Collaborated with clients to create modern, trend-driven designs
Proficient in Photoshop, Illustrator, and print adaptation techniques

ACHIEVEMENTS

Former volleyball team captain: successfully led the team in
competitions.
Passionate about upcycling: redesigning and painting clothes to create
unique pieces.