Юхим

Yukhym Kashchenko
Front-end developer
[open contact info](look above in the "contact info" section)
[open contact info](look above in the "contact info" section)
LinkedIn GitHub

Summary
Passionate Front-End Developer with 1 year of experience working on diverse
projects in healthcare, managed IT services, real estate, and insurance. Skilled in
React, Next.js, TypeScript, and Tailwind CSS, with expertise in building scalable,
high-performance web applications.
Key strengths include:
●​ Developing responsive, accessible, and optimized web applications.
●​ Integrating RESTful APIs and handling complex form logic.
●​ Optimized rendering and state management to improve application speed and
efficiency across different devices.
●​ Collaborating effectively in development environments, participating in team
discussions and providing constructive feedback to improve project quality

Completed multiple projects, including SwapItUp, a large-scale item exchange
platform with authentication, caching, and advanced filtering, and Sound Shaper, a
real-time audio modification app. Strong foundation in Redux, RTK Query, and
modern front-end tools.

Currently pursuing a Master’s degree in Software Engineering at National University
of Radio Electronics, Kharkiv. Fluent in Ukrainian (native) and proficient in English
(B2).

Skills
●​ HTML, Responsive Design, CSS Animations
●​ CSS, Tailwind CSS, Module CSS
●​ JavaScript, TypeScript
●​ React, NextJS
●​ Vite, Webpack
●​ RTK, Formik/React Hook Form, zod/yup, i18next, storybook
●​ Git, GitHub
●​ VS Code, prettier, eslint
Experience
Junior Front-End Dev | Rely Co | Mar 2024 - Jan 2025 · 11 mos | Remote
Full-time
Worked as a Junior Front-End developer on multiple projects across various
domains, including healthcare, managed IT services, real estate, and insurance.

Responsibilities:
●​ Developing new designs and updating old ones to enhance user experience.
●​ Implemented new functionality and features.
●​ Integrated web pages with a RESTful API backend and ensured smooth data
exchange.
●​ Optimized website performance for mobile and desktop platforms, improving
Lighthouse metrics.
●​ Collaborated with the development team, provided daily progress reports, and
participated in team discussions.

Achievements:
●​ Boosted page performance from 30 to 93 points (over 3x improvement) and
enhanced accessibility from 45 to 100 points (measured using Lighthouse).
●​ Developed a multi-level sidebar with four levels of depth for improved
navigation.
●​ Built a fully customizable dashboard, allowing users to arrange pre-defined
widgets in any order and adjust their size dynamically.

Projects
SwapItUp 2024

SwapItUp is a web application for item exchange, allowing users to easily find and
trade unwanted items without monetary transactions.
Stack:
●​ React
●​ TypeScript
●​ Vite
●​ RTK Query
●​ Tailwind CSS
●​ GitHub Actions
●​ Git
This was a team project consisting of a frontend (my part) and a backend. It is the
first project I deployed using GitHub Pages and also the largest completed project I
have worked on. Key features include:
 ●​ Token-based authentication
●​ Query result caching
●​ Complex form handling (including image uploads and multi-select fields)
●​ Search and filtering functionality
Code: https://github.com/femtoF121/swap-it-up-front

Sound Shaper 2023
Sound Shaper is a real-time audio modification desktop application. I worked on this
project as a front-end developer in a team.
Stack:
●​ Electron
●​ React
●​ JavaScript
●​ Tailwind CSS
●​ Redux
●​ Git
This project helped me deepen my understanding of Redux and apply it more
effectively in practice.
Code: https://github.com/GeneirodanTeam/sound-app

TODO+ 2023
My first personal project outside of university - a feature-rich to-do list that allows
users to create multiple lists, all stored in local storage.
Stack:
●​ React
●​ JavaScript
●​ Vite
●​ Tailwind CSS
●​ Git
Code: https://github.com/femtoF121/my-todo-react-app

Education
Bachelor: Computer Science – Software Engineering –
2020-2024 National University of Radio Electronics,
Kharkiv

Master: Computer Science – Software Engineering –
2024-2026 National University of Radio Electronics,
Kharkiv
Languages
English B2

Ukrainian Native