Vitalii Donchik

Backend Development:

    ✅ Developing APIs using FastAPI, Flask, Django
    ✅ Designing scalable, secure, and efficient backend systems
    ✅ Working with relational databases (PostgreSQL, MySQL) and NoSQL databases (MongoDB, Redis)

Frontend Development:

    ✅ Building dynamic web interfaces with React
    ✅ Integrating frontend designs with backend services
    ✅ Responsive design and cross-browser compatibility

Automation and Parsing:

    ✅ Automating business workflows using Selenium
    ✅ Web scraping and data extraction from various platforms (BeautifulSoup, Scrapy)
    ✅ Parsing and processing structured and unstructured data

Telegram Bot Development:

    ✅ Developing bots and userbots using Aiogram 3 and Pyrogram
    ✅ Automating business processes via Telegram
    ✅ Integrating bots with databases and external APIs

GUI Development:

   ✅ Building cross-platform desktop applications using PyQt6
   ✅ Creating user-friendly UI for seamless interaction

Payment Systems and Cryptocurrencies:

   ✅ Integrating payment systems (Stripe, PayPal, Monobank API, Privat24 API)
   ✅ Working with crypto wallets, Web3, and Binance API
   ✅ Interacting with smart contracts (Ethereum, Binance Smart Chain)

Additional Skills:

    ✔ Full-cycle development: backend, frontend, DevOps
    ✔ Project management: planning, execution, and delivery
    ✔ Team collaboration: effective communication and client interaction
    ✔ Version control: Git, GitHub, GitLab
    ✔ Testing: writing unit tests and integration tests
    ✔ DevOps: containerization (Docker), CI/CD, cloud platforms (AWS, GCP, Azure)