Особисті дані приховані

Krasulia Oleksandr Python Developer
[відкрити контакти](див. вище в блоці «контактна інформація») Telegram

+38 97 440 57 51 Linkedin

Kyiv, Ukraine, remote Can work during blackouts

Summary

Python developer with hands-on experience building REST APIs and back-end services using Django, Django REST
Framework, Flask and FastAPI, backed by PostgreSQL and SQLAlchemy for data persistence. Comfortable with
Git/GitHub-based workflows, Docker, CI/CD pipelines, and message-based architecture using RabbitMQ. Currently
pursuing a Software Engineering degree at Igor Sikorsky Kyiv Polytechnic Institute. Eager to bring a strong technical
foundation and fast-learning mindset to a Python Developer role.

Skills
Object-Oriented Programming Algorithms and Data Structures Python
(OOP) Algorithm complexity, Arrays, Python 3.10+, Advanced Python
SOLID principles, Design patterns Linked Lists, Stacks, Queues, Hash (Decorators, Iterators, Generators),
Maps, Hash Sets Asynchronous Python (asyncio,
Web Scraping & Data Analysis Concurrency, Parallelism)
Web Scraping (BeautifulSoup, Machine Learning
Scrapy, Selenium), Data Analysis Neural Networks, Classification, Web Development Frameworks
(Pandas, Matplotlib, Tableau) Machine Learning models Django, Django ORM, Django Rest
Framework, FastAPI, Flask
Databases Web Technologies
PostgreSQL, SQLite, Redis HTML, CSS, JavaScript (Basics) Version Control & Collaboration
Git/GitHub
Development Tools English
Debugging, Docker Upper-Intermediate

Experience

06/2026 – Present Python Developer
Designed and implemented RESTful APIs using Django REST Framework and FastAPI
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(sync and async)
Implemented JWT-based authentication and permission-/role-based access control
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(admins, couriers, buyers, etc.)
Integrated third-party services: Stripe payments, Telegram bot notifications, Discord
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control interface
Designed relational database schemas and worked with PostgreSQL/SQLite via Django
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ORM and async SQLAlchemy
Wrote asynchronous Python (asyncio) for real-time data processing, incl. live arbitrage
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detection in a trading-automation system
Built background task processing with Celery and containerized services with Docker
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Set up CI/CD pipelines and deployed applications to AWS EC2 and Render
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Wrote automated tests (up to 90% coverage) and documented APIs with Swagger
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Projects

Taskflow API, FastAPI, RabbitMQ, Redis, Async, Docker, Celery, JWT, Alembic, PostgreSQL,
Backend for a project and task management platform. Built as a modular monolith with dedicated workers,
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handling fast operations synchronously and heavy tasks via a queue.
GitHub Repo
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Automated Trading System (DMarket), Python, Asyncio, discord.py, SQLite
Trading-automation system integrating a third-party marketplace REST API, with real-time arbitrage detection and a
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Discord control interface. Technologies: Python, Asyncio, discord.py, SQLite.
GitHub Repo
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Delivery Service, Django, Bootstrap, PostgreSQL, Render
Marketplace-with-delivery web app with role-based access for buyers, couriers and admins, and an atomic order-
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claiming flow. Technologies: Django, Bootstrap, PostgreSQL, Render.
GitHub Repo
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Airport API Service, Django, DRF, PostgreSQL, JWT
Flight-booking API with JWT auth, seat-validated ticket orders and route/flight filtering, documented with Swagger.
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Technologies: Django, DRF, PostgreSQL, JWT.
GitHub Repo
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Online Cinema API, FastAPI, SQLAlchemy (async), PostgreSQL, Celery, AWS EC2
Asynchronous backend for an online cinema platform with a searchable/filterable movie catalogue, shopping cart
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and checkout. Technologies: FastAPI, SQLAlchemy (async), PostgreSQL, Celery, AWS EC2.
GitHub Repo
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Social Media API, Django, DRF, PostgreSQL
Social network API with a follow system, personalized feed, hashtag-based discovery and scheduled post
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publishing. Technologies: Django, DRF, PostgreSQL.
GitHub Repo
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Library Service API, Django, DRF, PostgreSQL, Stripe, Docker
Library management system with borrowing/return flow, inventory tracking, payments and automated overdue
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notifications. Technologies: Django, DRF, PostgreSQL, Stripe, Docker.
GitHub Repo
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Education

2023 – Present Software Engineering,
National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute"

Additional Education
Python course, Mate academy
OOP, Python, Django, REST API, FastApi