Ксенія

[open contact info](look above in the "contact info" section)

PORTFOLIO RESUME 2026 @ [open contact info](look above in the "contact info" section)

Kseniia Karpenko in

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LinkedIn · Kseniia Karpenko

GitHub
Full-Stack Developer
Eindhoven, NL · Remote

SKILLS
PROFILE
CORE
Full-Stack Developer with a Bachelor's in Computer Science and 2.5+
React TypeScript Node.js
years of commercial experience building SPAs and web applications
with React, Angular, TypeScript and Node.js. Delivered 4–6 commercial JavaScript Redux Toolkit
projects in a cross-functional team of 5–6, working closely with backend,
design, and QA. Comfortable owning features end-to-end — from REST STYLING

API integration to component architecture and state management with SCSS / Sass CSS3 BEM
Redux Toolkit. Focused on clean component design, scalable code, and
Tailwind Material UI
smooth, responsive UX across browsers.
APIS & RUNTIME
EXPERIENCE
REST API WebSockets
Jun 2025 – Present
Self-employed Eindhoven, NL
Node.js FastAPI
Freelance Full-Stack Developer ALSO
React · Node.js · Angular · JavaScript · TypeScript · SCSS · Redux Toolkit · REST APIs
Angular Vue
Building frontend for SPAs and landing pages based on Figma
mockups for independent clients. TOOLS

Git Vite Webpack

Feb – Jun 2025 ESLint Prettier
AAS Solutions, a.s. 5 months · Slovak
FAMILIAR WITH
IT consultancy, client projects for internal business platforms
Junior Frontend Developer Python SQL Docker
React · TypeScript · SCSS · Redux Toolkit · REST APIs
Built UI components and SPA features for client projects based on EDUCATION
Figma mockups, following established design systems.

Integrated frontend with backend services via REST API and SOAP Technical University of Košice
within a team of 5–6 (developers, QA, project lead). BSc. Computer Science
2022 – 2025 · Slovakia
Implemented filtering, pagination, and form validation for internal
business tools used by client teams. Mate Academy
Frontend Course · Certified
Improved personal delivery speed and reduced review-cycle bugs 2023 – 2025
through growing familiarity with the React + TypeScript stack.

Collaborated daily with analysts, designers, and backend developers in FreeCodeCamp
an Agile (Scrum) workflow — daily standups and sprint planning. Frontend Development · Certified
2024
~10–15 UI components delivered
Scrimba
↓ Personal bug rate dropped ~40% over 5 months React · Certified
2024
2 client projects supported
 August 2023 – Feb 2025
Coddu
TukeUp · online learning platform
18 months · Remote ACHIEVEMENTS

Frontend Developer Deutsche Telekom Hackathon
2024 — 5th place out of 40+ teams.
React · TypeScript · SCSS · Angular · Redux Toolkit · REST APIs
Built a dataset-analysis chatbot.
Contributed to the development of the user interface for 5 commercial
single-page applications (course catalogue, student dashboard, admin Bachelor's Thesis
panel, payment portal) from the specification stage through to launch, — AI chatbot for digital twin control.
as part of a cross-functional team of 5-6 people, working closely with
backend developers, designers and testers. Mate Academy
— 600+ hours coding, 200+
Worked closely with 2 other developers — held weekly code reviews, algorithmic challenges, 5+ projects
discussed architectural decisions, and helped solve complex state from scratch.
management and logic problems together.

Proposed and helped roll out frontend code standards (ESLint + LANGUAGES
Prettier config, SCSS module conventions, component naming) that
were adopted across team projects. Ukrainian — Native
Integrated REST APIs and microservices for course content, user English — Professional (B2+)
progress tracking, and real-time notifications via WebSockets.
Slovak — Conversational
Ensured responsive, cross-browser UI across desktop and mobile for
all delivered products. Dutch — Pre-Intermediate
↓ ~25% fewer UI bugs after introducing code review process

↑ Sprint velocity improved after standards adoption

5–6 SPAs shipped to production

PORTFOLIO

Apple Catalog
A fully functional Apple product catalog, built using React and TypeScript with React Router and
React Context to manage the state of the shopping cart and selected items. The project
includes product filtering, sorting, and search functionality, pagination, and cross-session state
persistence. The responsive design ensures proper display on screens ranging from 330 to
1440 pixels. The project demonstrates skills in building complex component-based architecture
and attention to UX details.
React · TypeScript · SCSS modules.

LIVE DEMO GITHUB

Sweeties
A modern web application for a pastry shop, built using Angular 17+ with TypeScript and SCSS.
It includes a dessert catalog with detailed product pages, an interactive dessert builder with
step-by-step ingredient selection, and a fully functional shopping cart with checkout
functionality. The application demonstrates the use of Angular Router, Reactive Forms, and a
modular component architecture.

LIVE DEMO GITHUB

2048 Game
A browser-based implementation of the classic 2048 game using pure JavaScript, HTML, and
SCSS without any frameworks. The full game logic is implemented: moving and merging tiles on
a 4×4 grid, calculating scores, determining wins and losses, and generating new tiles after each
move. The project demonstrates skills in working with the DOM, handling keyboard events, and
managing state without external dependencies.

LIVE DEMO GITHUB

CrazyBaby · B&O Landing Pages
A responsive product landing page for the Bang & Olufsen and Crazy Baby brand, built
exclusively with HTML and CSS without JavaScript or external frameworks. The layout was
created based on a Figma mockup using Flexbox and CSS Grid, featuring a clear visual
hierarchy and minimalist design. The page displays correctly on all screen sizes—from mobile
to desktop. The project highlights a solid foundation in semantic HTML markup and modern
CSS techniques.

CRAZYBABY GITHUB B&O GITHUB