Vadym

VADYM ABOUT ME
KOTELETS I am a skilled full-stack developer with extensive experience in JavaScript,
Bootstrap, React.js, Material UI, Firebase, Redux Toolkit, RTK Query, Tanstack
Query, Typescript and Next.js. My expertise lies in crafting web-interfaces with
CONTACTS engaging animations and ensuring precise implementation of design elements. I
am dedicated to continuously expanding my knowledge and skills to stay ahead
[відкрити контакти](див. вище в блоці «контактна інформація») of the latest trends and technologies in web development.
[відкрити контакти](див. вище в блоці «контактна інформація»)

Telegram: @kotelets_v
WORK EXPERIENCE
Linkedin
GitHub Frontend Developer – TechNova Solutions May 2024 - June 2025

At TechNova Solutions, I worked as a Full-stack Developer, building
SKILLS modern web applications that excelled in performance, interactivity,
and user orientation. I contributed as part of a team of 3-5 developers
JavaScript
leveraging advanced tools and technologies.

React.js, Redux Toolkit, Projects Developed:
Task Manager App: Implemented a real-time drag-and-drop UI using
Material UI
React, Redux Toolkit, WebSockets, and Material UI. Built the backend
Typescript with Node.js (NestJS) and stored tasks/statuses in PostgreSQL.
Next.js Video Platform: Developed a web application with Firebase
authentication, video streaming via a Node.js (NestJS) backend,
Node.js (Express) metadata storage in MongoDB, and API communication via REST API.
MongoDB, PostgreSQL Investment Dashboard: Built a dashboard with dynamic charts and
financial data visualization. Data was fetched via REST API, stored in
Webpack/Gulp/Vite
PostgreSQL, and the frontend was built with Next.js (SSR), optimized
Git, GitHub for SEO and high performance.
Figma
Duties:
EDUCATION Developed functionality for pagination, filtering, sorting, and search in React
applications.
Built RESTful APIs, integrated backend data using Node.js and Express.js.
Aug 2017 - Jun 2021
Worked with both MongoDB and PostgreSQL for data persistence
Bachelor of Agriculture Ecology
and Environmental Control Used React Router DOM for managing client-side routing.
Utilized Redux Toolkit and Context API for global state management.
Zalishchycky
Leveraged TypeScript to ensure type safety and improve maintainability.
2022 - Present Worked with REST APIs to fetch and process data from backend services.
Udemy Built performant and SEO-friendly pages using Next.js with SSR and SSG.
Used TanStack Query (React Query) for efficient data fetching and caching.
Focused on improving Core Web Vitals by optimizing performance and
LANGUAGES loading speed.
Implemented Firebase Authentication (email/password, social login) where
English (Upper - Intermediate
needed.
B2)
Created animations using GSAP and Framer Motion to enhance user
Ukrainian (Native) experience.
PERSONAL Applied server-side authentication and token handling with JWT.
Followed responsive design principles and ensured cross-browser
Ternopil compatibility.
Used Git and GitHub for version control and collaboration in a team
Date of birth: 2.02.2002
environment.