Denys

Denys Butorin, Python Backend Developer
E-mail: [відкрити контакти](див. вище в блоці «контактна інформація»)
Phone: [відкрити контакти](див. вище в блоці «контактна інформація»)
Telegram: @denys_butorin
Location: Chernivtsi - Kamianets-Podilskiy, Ukraine
GitHub: https://github.com/denbutor

Skills
Backend: Python3, FastAPI
Databases (SQL/NoSQL): PostgreSQL, SQLite, MS SQL, MongoDB, Redis
Languages: English (B1 - B2), Ukrainian (Native)
Other:
- Message brokers: RebbitMQ, Kafka, Redis
- Principles: SOLID, OOP, KISS, YAGNI, DRY
- Lib-s: Pydantic, SQLAlchemy, Alembic, asyncio, PyJWT, PassLib, …
- Architecture styles: RPC, SOAP, REST
- Auth methods: OAuth 2.0 / JWT, Session-based Auth (Cookies), API Key
- Paterns: Factory, Decorator, MVC, Repository, Composite
- Container & Deploy: Docker/Docker Compose, CI/CD
- Testing: pytest, unittest, CI/CD, Postman
- Version controller: Git (GitHub, GitLab)
- Other languages:C# (ASP .Net Core, EF Core), JS (React)

Experience
Startup e-commerce “Electronics Store”
Developed a E-commerce (B2C) app, it allows users to register and buy any products.
I was responsible for: backend architecture and logic, API development, database
management, performance optimization using caching, containerization and frontend.
Implemented: authentication and authorization, shopping cart, orders managing, database
operations, API, API testing, containerization and caching, admin panel for managing.
(Python, FastAPI, JS, React, PostgreSQL, Redis, Docker, OAuth2.0/JWT, and others)

Service industry
I have worked as a promoter, courier, waiter, and seller during school, and as a freelance web
developer during university. It has honed my problem-solving abilities and improved my
communication skills, both within a team and with customers. These skills are invaluable for
finding optimal solutions and understanding the needs of end users.

Education
Chernivtsi National University, September 2021 – June 2025
Computer Engineering (Computer Systems and Networks)
Gained skills in: Web development, Database design, Programming, API dev and Git,
Software dev models, Networking and security, Hardware dev, and others.