Oleksandr

Oleksandr Ivanchuk
[відкрити контакти](див. вище в блоці «контактна інформація») ❖ GitHub ❖ Telegram
SUMMARY
A Results-Driven Python Developer with 2+ years of experience specializing in data extraction, web
scraping, and process automation. Proven track record of designing and deploying highly robust and
anti-blocking systems for large-scale data harvesting. Expert in the full project lifecycle, from initial
concept to deployment via CI/CD pipelines. Willing to provide access to private GitHub repositories for
code review upon request.

WORK EXPERIENCE
Payex24 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Feb. 2023 – Present
Python Developer​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
●​ An innovative online currency exchange platform facilitating efficient and secure transactions.
●​ Built an autonomous system integrating a Telegram bot and website to process currency exchanges.
●​ Automated workflow updates for exchange rates using Python, requests, and aiohttp to increase data
accuracy and reduce manual intervention.
●​ Design and maintain scalable APIs that ensure seamless integration between the bot and the website,
enabling real-time data processing for enhanced services.
●​ Configured the system’s deployment on a Linux server using Docker.
●​ Implemented a CI/CD process via GitHub Actions for automated project deployment, ensuring seamless
updates and reduced downtime during releases.
●​ Implemented third-party APIs and Webhooks into the core logic of the system for data processing and
synchronization to enhance functionality and user experience.
●​ Managed the full project lifecycle, from initial idea and logic design to final deployment and ongoing
support, resulting in increased efficiency and team collaboration.
●​ Optimized database queries and structure for improved speed and efficiency in data retrieval, leading to a
better user experience.

PROJECTS

Data Automation & Web Scraping

●​ Autonomous Workflow Development: Designing and building end-to-end Python solutions that
completely automate routine business processes and complex user interactions on dynamic websites.
●​ High-End UI Interaction: Developing sophisticated tools using Selenium for simulated user experience,
enabling reliable interaction with dynamic elements, interactive tabs, and multi-step web forms.
●​ Intelligent Interaction Algorithms: Creating complex mathematical algorithms to identify, analyze, and
form data combinations, which allows for precise and highly effective automated interaction with specific
elements on a webpage.
●​ High-Speed Concurrent Scraping: Engineering high-performance scraping modules utilizing
multiprocessing and multithreading for parallel data collection, drastically reducing task execution time
and enhancing data throughput.
●​ System and Resource Optimization: Dedicated efforts in optimizing overall system performance and
improving server-side file management, ensuring cost-efficient and more effective utilization of
computational resources.
Web Development

●​ Freelance project development focusing on web solutions using modern frameworks.
●​ Created a website using Django, integrating admin functionalities with media management.
●​ Implemented drag-and-drop features, site configurations, and PostgreSQL database management.
●​ Added functionality for automatic sorting and a user-friendly UI/UX design to the admin panel.
●​ Implemented media file viewing, editing, and optimized uploading to a cloud service.
●​ Utilized HTMX technology to enhance dynamic user interface interaction.

SKILLS, TECHNOLOGIES, LANGUAGES & INTERESTS

●​ Programming Languages: Python (Advanced), JavaScript (Basic), SQL
●​ Frameworks & Libraries: FastAPI, Django, SQLAlchemy, aiogram, requests, aiohttp, beanie, async/await, selenium,
playwright, bs4, lxml, EasyOCR, pandas, openpyxl, alembic, pytest
●​ DevOps & Tools: Docker, Docker Compose, Git, GitHub Actions, CI/CD, Linux
●​ Databases: SQLite, MySQL PostgreSQL, MongoDB
●​ Web Technologies: REST API, Webhooks, HTML, CSS, HTMX
●​ Cloud Services: Cloudinary, Render
●​ Languages: Ukrainian; English; Russian
●​ Interests: Building Computers; DIY Home Projects; Weightlifting