Володимир

Volodymyr Polunin Phone:
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Backend Developer Email:
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Professional Summary
Backend Developer (Python) with hands-on project experience building CRUD APIs and backend services using
FastAPI. Comfortable working with both classic MVC and CQRS-inspired architecture. Experienced in working with
PostgreSQL (including local and Dockerized setups) and using Redis as both a cache and message broker for
background task processing with Taskiq. Skilled in asynchronous programming with SQLAlchemy and asyncio,
implementing authentication, and writing tests with Pytest. Uses Docker and Docker Compose for local
development and Git for version control.

Skills
Technical Skills: Soft Skills
• Python • Problem-solving & Debugging
• Django, FastAPI • Attention to Details
• Pytest • Continious Learning
• PostgreSQL • Technical Documentation
• Docker & Docker Compose
• Git & Version Control
• Asyncio
• REST API design

Experience
Project: Coworking Booking API https://cwbookapi.net.ua (Swagger UI)
Pet project built to practice backend development architecture and patterns.
• Designed a layered architecture with clear separation between domain, logic, infrastructure, and API
layers.
• Implemented CQRS (command/query separation) with a mediator for handler dispatching, and the Unit
of Work pattern for transaction management.
• Built JWT-based authentication with Argon2 password hashing.
• Used PostgreSQL via SQLAlchemy (async) with Alembic migrations, and Redis as both a cache and a
message broker for background tasks (Taskiq).
• Set up Dependency Injection with Punq and containerized the app with Docker & Docker Compose.
Tech stack: Python, FastAPI, PostgreSQL, SQLAlchemy (async), Redis, Alembic, Taskiq, Docker

Education
Nation aviation university
Information systems and technologies

Languages
English - Intermediate
Ukrainian - Native
Russian - Native