Олександр

Oleksandr
Protchenko
Full-stack Developer

CONTACTS ABOUT
[відкрити контакти](див. вище в блоці «контактна інформація») Motivated Fullstack Developer. Skilled in REST API integration
[відкрити контакти](див. вище в блоці «контактна інформація») and proficient with HTTP methods for third­party service
Telegram integration. Completed the CyberBionic Systematics course for
LinkedIn Frontend React Developer and Python Developer, gaining in­
Github depth knowledge in creating dynamic web applications.

EXPERIENCE
HARD SKILLS Telegram Chat Manager - Personal Project
Programming languages: JavaScript, "Full-stack Developer" - Python, FastAPI, Telethon, Next.js,
SQL, TypeScript, Python, HTML5, CSS3 TailwindCSS, REST API, Git
Technologies and frameworks: React, Developed a full-featured web application that interacts with the
Bootstrap, jQuery, Django, Next.js Telegram API to fetch and display real-time chat messages. Built
Databases: MySQL, PostgreSQL from scratch with both frontend and backend components
Development environments (IDE): Designed the application architecture using FastAPI and
Microsoft Visual Studio, PyCharm, Telethon for asynchronous communication with Telegram API
WebStorm Built a responsive and user-friendly interface with Next.js and
TailwindCSS
SOFT SKILLS Implemented a RESTful API for seamless data exchange
Responsible and organized between frontend and backend
Attention to Detail Configured secure authentication and environment-based
Hardworking and meet deadlines settings using .env files
Ready to take initiative Conducted thorough testing and debugging to ensure stable
Open to new knowledge and skills performance
Task Manager - Personal Project
LANGUAGES "Front-end Developer" - Next.js, React, TypeScript, localStorage.
English - B1-B2 Built a modern single-page application (SPA) for project and task
Ukrainian - Fluent management using cutting-edge frontend technologies. Focused
on clean architecture, performance, and scalable design:
EDUCATION/COURSE Architected the codebase with clear separation of concerns:
business logic handled via custom hooks.
CyberBionic Systematics Course
"Frontend React Developer" 01.2024 ­- 08.2024 Created reusable UI components
Certificate Implemented full CRUD functionality for projects and tasks,
including edit, delete with confirmation, search, and filtering
CyberBionic Systematics Course Optimized performance using React.memo, useCallback, and
"Python Developer" 10.2024 ­- 03.2025
useMemo
Certificate
Designed a responsive interface with priority indicators, form
validation, error handling, and auto-logout
Strong TypeScript typing for props, hooks, and components
Minimal logic in page components; UI components kept
intentionally "dumb"