Тимофій

KYSELOV TYMOFII
Frontend Developer (React, TypeScript, Tailwind CSS, REST API, Node.js)
Telegram | LinkedIn | GitHub | Email

SUMMARY

Frontend Developer focused on building web applications using React, TypeScript, and Tailwind CSS. Built
and deployed web application with REST APIs, Supabase and implementing user authentication and
database operations. Implemented global state management using Zustand to manage application data.

SKILLS

Typescript, JavaScript Fetch, REST API SQL (basic)
React, Zustand Claude Code, Antigravity Knowledge of Agile
Tailwind CSS, SCSS, BEM Git, Eslint, Prettier concepts (Scrum)

LANGUAGES

English - intermediate
Ukrainian - fluent

WORK EXPERIENCE

FRONTEND DEVELOPER
Self-Employed, July 2026 - Present
Technologies: React, TypeScript, Node.js, JavaScript, REST API, Supabase, Tailwind CSS
Developed responsive web applications using React, TypeScript, and Tailwind CSS, building reusable
components and user-friendly interfaces.
Integrated Supabase for authentication, database operations, and data handling.
Worked in a development team, participating in task planning, code reviews, problem-solving, and
shared development using Git and GitHub.

PORTFOLIO

GADGET STORE | DEMO - GITHUB
Stack: React, TypeScript, Node.js, JavaScript, REST API, Supabase, Tailwind CSS, Classnames utility.
Developed a fully responsive interface for desktop, tablet, and mobile devices.
Built a scalable and reusable component structure based on Atomic Design principles.
Integrated Supabase as a backend service for database operations and user authentication.
Implemented sign-in and sign-out functionality, as well as persistent storage of users' favorite products.
TODO APP | DEMO - GITHUB
Stack: React, TypeScript, Node.js, JavaScript, REST API, Bulma CSS Framework, SASS/SCSS.
Implemented full CRUD functionality for managing todos.
Connected the app to API to save changes.
Added error messages for failed requests.
Implemented loading indicators during API operations.
BIKE STORE LANDING | DEMO - GITHUB
Stack: HTML5, SASS/SCSS, BEM methodology, ESLint, Git, GitHub
Fully responsive webpage using reusable components.
Developed a semantic and well-structured layout using HTML5.
Organized styles using SCSS, variables, mixins, and BEM methodology.
Maintained code quality and consistency using ESLint.

PREVIOUS WORK EXPERIENCE

MANAGER | SALES ASSISTANT
Dnipro-M, Balakliia, January 2025 - July 2026
Training staff in sales and customer interaction.
Identifying client needs and fostering ongoing cooperation.
Designing promotional materials using Adobe software and Figma.

EDUCATION

Simon Kuznets Kharkiv National University of Economics June 2020 - July 2024
Bachelor’s Degree / Electronic Multimedia Technologies

COURSES

Fullstack course at Mate academy - certificate
Claude Academy badge Claude code 101