Олена

OLENA KOLESNIK
JUNIOR FULLSTACK DEVELOPER

CONTACTS SUMMARY
I am a Junior Full Stack JavaScript Developer with practical experience building
[open contact info](look above in the "contact info" section) modern web applications using JavaScript, TypeScript, React, Next.js, and Node.js.
I have developed responsive user interfaces, integrated REST APIs, implemented
[open contact info](look above in the "contact info" section) CRUD functionality, search, filtering, pagination, form validation, and reusable
Telegram components. I also have experience working with Express, MongoDB, Git, and
modern development tools. Currently, I am expanding my skills by learning Angular
Linkedin and continuously improving my full-stack expertise. I am eager to grow as a Full
GitHub Stack Developer, quickly learn new technologies..

Portfolio
PROJECT EXPERIENCE
Kyiv, Ukraine
Campers Booking Platform, GitHub - repository (Next.js, TypeScript,
React Query,Axios, Swiper)

TECH SKILLS Pet project. Role: Developer. Developed a camper rental web application using
Next.js and TypeScript. Implemented camper catalog browsing, filtering, camper
details page, image gallery with Swiper, customer reviews, booking form with
HTML5, CSS3 Formik and Yup validation, REST API integration with Axios, and server state
JavaScript (ES6+) management using TanStack React Query. Built reusable components and focused
on clean architecture, reusable components and user experience.
TypeScript
Portfolio Website, GitHub - repository (Next.js, TypeScript)
React.js
Pet project. Role: Developer.Developed using Next.js and TypeScript with reusable
Next.js components, responsive layouts, modern UI/UX, smooth navigation, and project
showcase sections. Focused on clean design, performance, and user experience.
Node.js
NoteHub, GitHub - repository (React, TypeScript, TanStack Query)
REST API Training project. Role: Developer. Developed a REST API using Node.js and
Express. Implemented CRUD operations, routing, controllers, services, middleware,
Axios
request validation, authentication, file uploads, and MongoDB integration. Deployed
TanStack Query the application on Render.
Formik/Yup

Git/GitHub WORK EXPERIENCE
Online sporting goods store
WordPress/WooCommerce
Owner, sales and purchasing manager | 2013 - 2024
communication with clients and suppliers

SOFT SKILLS
accounting
packaging and shipping of goods
Attention to detail Reduced product cost by 32% through establishing and optimizing trade
partnerships with suppliers in China.
Responsibility

Teamwork EDUCATION
IT School GoIT
LANGUAGES FullStack Developer | 2025 - 2026
English - Intermediate Volodymyr Dahl East Ukrainian National University
Master's degree, Accounting and auditing
Ukrainian - Native
2007 - 2011