Сергій

SERHIY KHRABAN
FULLSTACK DEVELOPER

SUMMARY
Full-Stack JavaScript Developer with solid frontend background and hands-on
[open contact info](look above in the "contact info" section)
backend experience. Skilled in React, TypeScript, Vue.js, and backend services
including Supabase, Firebase, Node.js, and Stripe integrations.
in LinkedIn
Team Lead on a production e-commerce project, responsible for system

t Telegram architecture, business logic, API communication, and database design.
Experienced in building end-to-end features such as authentication, payments,
GitHub page cart logic, and order management. Focused on clean architecture, scalability, and
real-world problem solving.
[open contact info](look above in the "contact info" section)
PORTFOLIO
Kyiv, Ukraine · hybrid / remote
Can work during blackouts
FRONTEND DEVELOPER (VUE / REACT) 2025 – Present
WITH FULL-STACK EXPERIENCE
SKILLS Technologies: JavaScript (ES6+), TypeScript, React, React Router, React Query
Typescript, JavaScript (TanStack), Vue.js (Vue 3), Pinia, Vue Router, Supabase, Firebase, HTML5, CSS3,
Tailwind CSS, shadcn/ui, BEM, Vite, Git
Vue 3, Pinia, Vue Router
Responsibilities & Achievements:
React, Redux-toolkit Built responsive and accessible UI using React, TypeScript and modern
frontend practices.
HTML5, CSS3, Sass (SCSS),
Developed reusable, maintainable components based on Atomic Design
BEM, Material UI, Tailwind principles.

Node.js, Next.js Managed server-state, caching and data fetching using React Query.
Ensured code quality with ESLint, Prettier and a structured Git branching
Fetch, REST API, Web sockets
workflow.
SQL, PostgreSQL Collaborated within a Scrum team: planning, code reviews, task refinement.

Git Webpack, Vite, Babel, React BoookStore – Full e-commerce web application
An online store built with React, TypeScript, Supabase and Stripe. Includes
Docker, Eslint, Prettier
product catalog, filtering, search, shopping cart, wishlist, checkout, order
Unit Testing with Jest, End-to- creation and user profile features. Implemented authentication, responsive UI

End Testing with Cypress and reusable component design.
Integrated Supabase for authentication, user profiles, wishlist, orders and
SDLC, Agile, Scrum, Kanban
database operations.
Basic OOP understanding, Led a team of 4 developers: task planning, code reviews, merge conflict
resolution, Git flow management.
basic C/C++/C# knowledge
Ensured consistent UI/UX and responsive layout across the entire
Supabase (Auth, PostgreSQL, application.
Demo & GitHub Code
RLS)
2048 Game – Classic logic puzzle implementation
LANGUAGE Recreated the 2048 game using JavaScript, HTML and CSS. Implemented grid
English - B2 logic, tile merging mechanics, score tracking and keyboard controls. Focused
on clean architecture, game loop design and performance.
Ukrainian - native
Demo & GitHub Code
EDUCATION TerraAlpha - Real-time multiplayer strategy game
Bachelor of Law A multiplayer browser game built with React, TypeScript and Firebase Realtime
National Aviation University Database. Includes real-time rooms, player states, ship movement, dice

2003 – 2008 mechanics, score logic, notifications and synchronized gameplay. Created
custom game UI, animations and interactive flow for multiple players.
Designed and implemented a custom real-time state synchronization system.
ADDITIONAL
Built game logic architecture: events, turns, shared state, multiplayer session
EDUCATION flow.
FullStack Course at Mate Worked with Firebase realtime DB and optimized reads/writes.
Academy — сertificate Demo & GitHub Code
Reactjs.org Documentation —
React fundamentals and PD4U — TODO Calendar & Planner
advanced patterns. A task and calendar management application for personal and group
Book: Clean Code — Robert C.
productivity.
Martin
Built with Vue 3 (Composition API) and TypeScript. Supports personal and
group tasks, categories, priorities, deadlines, and calendar-based planning.
PERSONAL Includes role-based access control (owner/admin/member), Supabase
ACHIEVEMENTS authentication, PostgreSQL with Row Level Security, internationalization

Multiple-time prizewinner in (i18n), and responsive UI with reusable components.
amateur football tournaments Tech stack: Vue 3, TypeScript, Pinia, Vue Router, Supabase, SCSS (BEM), Vite
(SFCK league). Demo & GitHub Code
Wrote and submitted an original
fantasy novel “Chronicles of
Wonders” to a publishing PREVIOUS EXPERIENCE
editorial;
Created and run a YouTube FOUNDER / WORKSHOP MANAGER 2020 – 2024
channel featuring my own Handcrafted Candle Studio • Kyiv, Ukraine
original board game designs.
Established and managed a small candle-making workshop.
VdomaGrai
Oversaw production, materials procurement and quality control.
Implemented efficient workflows and cost-saving processes.
Managed budgeting and sales operations across online and offline channels.

FOUNDER / OPERATIONS MANAGER 2016-2020
Kyiv City Family Group • Kyiv, Ukraine
Founded and managed three hospitality businesses with 10–25 employees
each.
Oversaw daily operations, finance, procurement, logistics and service quality.
Implemented process and procurement optimizations reducing costs by 15–
20%.
Built custom Excel-based automation tools and financial dashboards.
Gained strong leadership, communication and problem-solving skills.