Arsentii

aRSENTII

KOROL
Engineer – Researcher - Developer [відкрити контакти](див. вище в блоці «контактна інформація»)

Stack Experience

Next.js React.js Node.js
Front-End Developer Kabina

Express.js Tailwind CSS Bootstrap May 2025 - Present

TypeScript HTML 5 CSS 3
I work on creating and maintaining modern web
applications on React and Next.js using TypeScript.
I develop interfaces using Tailwind CSS, ensuring
Webflow Supabase Stripe Clerk
responsiveness and speed. I implement integration with
Supabase for user authentication, CRUD operations, and
REDUX Toolkit Material UI Shadcn UI database work. I actively interact with REST API and
GraphQL, work with server-side rendering (SSR) and
incremental refresh to improve SEO and performance. 


EDUCATION
I develop interfaces according to mockups in Figma,
ensuring pixel accuracy and design compliance. I
Electronics and telecommunications participated in the creation of an internal library of UI
CED components, which the team uses in several projects. The
work is organized according to the Scrum methodology,
2019 - 2023
with active use of Git, Jira, and Code Review.
Electronic communications and radio
engineering (bachelor)
Front-End Developer Freelance
IFNTUNG
November 2023 - Present
2023 - Present

Designed and developed 25+ web projects, including
landing pages, product catalogs, e-commerce websites,
Languages and service-oriented platforms for various businesses.

Worked with clients on Fiverr, Kabanchik, collected
English Conversational
requirements, developed, tested, and launched projects.
Ukrainian Native
Built responsive and performant user interfaces using
Next.js, React, Tailwind CSS, Bootstrap, and Webflow.

Independently created an authentication system with
Supabase as the backend, featuring:
Email and password authentication
OAuth 2.0 integration with Google and GitHub
Magic link login for passwordless access
Secure password reset functionality

Focused on clean code, accessibility, SEO best practices,
and fast page loading.