Contact information

You can get this candidate's contact information from https://www.work.ua/resumes/20092174/

Work experience

Fullstack Developer

from 03.2026 to 09.2026 (7 months)
Self-employed, Львів (IT)

Backend | March – April 2026
Keyboard Builder API – Architected a secure, modular RESTful API for custom keyboard configurations. Implemented JWT authentication with refresh-token rotation, secure password hashing, and strict input validation using Zod. Designed robust relational database schemas via Sequelize and containerized the entire infrastructure using Docker and Nginx for a production-ready environment.
GitHub Code [https://github.com/Rostyslav452/KeyboardBuilderAPI]

Frontend | April 2026
MyBike – Constructed a high-performance, accessible promotional landing page for a bicycle brand. Strictly adhered to BEM methodology and semantic HTML principles to ensure maintainable SCSS architecture.
Demo [https://Rostyslav452.github.io/urban-ride-ui/]
GitHub Code [https://github.com/Rostyslav452/urban-ride-ui]

Frontend | May 2026
2048 Game – Engineered the core logic of a complex browser-based puzzle game using pure Vanilla JavaScript. Implemented zero-dependency client-side state management, complex 2D array matrix manipulations, and custom collision/merging algorithms.
Demo [https://rostyslav452.github.io/2048Game/]
GitHub Code [https://github.com/Rostyslav452/2048Game]

Frontend | June – July 2026
Gadget store – Developed a fully responsive e-commerce SPA for browsing and purchasing electronic devices. Engineered a centralized state management architecture utilizing React Context API to seamlessly synchronize shopping cart data and user favorites. Implemented dynamic product filtering, sorting algorithms, and routing for an optimal user experience.
Demo [https://rostyslav452.github.io/gadget-store/]
GitHub Code [https://github.com/Rostyslav452/gadget-store]

Education

Національний університет "Львівська політехніка"

Інженерія програмного забезпечення, Львів
Unfinished higher, from 2024 to 2028 (4 years)

Additional education and certificates

Advanced backend with node.js at Softserve

2025, 3 місяці
Certificate

Fullstack developer at Mate academy

2026, 7 місяців
Certificate

Knowledge and skills

• GraphQL
• Postman
• Koa.js
• Express.js
• Sequelize
• Mongoose
• MongoDB
• Git
• JavaScript
• MySQL
• GitHub
• REST API
• Node.js
• TypeScript
• Nodemailer
• NestJS
• TypeORM
• HTML
• CSS
• SASS
• Tailwind CSS
• Knowledge of BEM methodology
• WebSocket
• Axios
• PostgreSQL
• Docker
• React
• React Hook Form
• Redux Toolkit
• Redux
• Jest
• Super

Language proficiencies

• English — above average
• Ukrainian — fluent

Additional information

My CV [https://drive.google.com/file/d/1VtJle955z1p0zKvvQ4qq7tfdHk2m-DgN/view?usp=drive_link]