Богдан

Bohdan Dubiak
Python Backend Engineer
Lviv, Ukraine
[open contact info](look above in the "contact info" section)
GitHub: github.com/BoDubiak
LinkedIn: [open contact info](look above in the "contact info" section)

Summary
Python Backend Engineer with experience building backend systems, ETL pipelines, and automation solutions.

Experienced in developing scalable APIs, asynchronous workflows (Celery/RabbitMQ), and data processing
systems using FastAPI, Django, and PostgreSQL.

Skilled in web scraping, API integrations, and containerized deployments with Docker.

Background in infrastructure administration and backend automation for government and financial data
platforms.

Focused on scalable backend architecture, performance optimization, and reliable production-ready systems.

Technical Skills
Languages: Python, SQL, Bash
Frameworks & Backend: Django, Django REST Framework, FastAPI, Flask, REST API
Databases: PostgreSQL, MySQL, Redis
Async & Infrastructure: Celery, RabbitMQ, Docker, Docker Compose, Linux (Ubuntu), Nginx
Data Processing & Scraping: Playwright, Selenium, BeautifulSoup, aiohttp, Pandas, NumPy, ETL pipelines,
API Integration, Data Scraping
Tools: Git, Postman, SQLAlchemy
Cloud & DevOps: AWS (basic), CI/CD basics

Work Experience
Infrastructure & Backend Engineer — City Center of IT (2016 – Present)

• Supported and maintained infrastructure and backend services for city government data platforms.
• Automated workflows and backend processes using Python, Celery, and Redis.
• Integrated third-party APIs and participated in development of data-processing services.
• Worked with PostgreSQL optimization, Docker-based deployments, and Linux server administration.

• Participated in development and maintenance of open-data services and backend automation tools.

Backend Engineer — Chipo (2023 – Present)

• Designed and maintained backend architecture for financial data services.
• Developed ETL pipelines for data extraction, transformation, and processing.
• Built automation workflows and integrated external APIs for data-driven services.
• Deployed and maintained containerized services using Docker and PostgreSQL.
• Optimized backend performance and database queries for data-intensive workflows.

Projects
Open Data Portal — Scraping & APIs
Built a backend data platform for open-data automation using Flask, Celery, and PostgreSQL, including scraping
workflows and API integrations.

Logistics & Finance System (NDA)
Developed ETL workflows and data-processing tools for logistics and financial data analysis using Django,
Pandas, and PostgreSQL.

City Helper Bot
Developed a Telegram chatbot integrating APIs and web scraping to provide real-time city services information.

Education
Master’s Degree in Applied Mathematics
Lviv Polytechnic National University
2009 – 2015

Languages
• Ukrainian — Native
• English — Intermediate (B1+)

Additional Information
• Backend-focused development
• Production systems support
• Data automation and ETL workflows
• Infrastructure and Linux administration background
• Experience working with government and financial data platforms