Дмитро

DMYTRO
KOSTEVSKYI
PYTHON DEVELOPER
Results-driven Python Developer with hands-on
experience in backend development, RESTful API design,
and asynchronous systems. Background in VoIP systems
and system administration with over 5 years of IT
experience.

Currently focused on FastAPI, PostgreSQL, Docker, and
high-performance backend development for modern
web platforms. Strong problem-solving mindset and
624 94 63 07 ability to adapt quickly in a remote environment.
[відкрити контакти](див. вище в блоці «контактна інформація»)

linkedin.com

Telegram

Github
PORTFOLIO
Tenerife, Spain (Remote)
TaskMaster Pro Library Service
Github Code Github Code

Cinema Fullstack Travel Agency API
SKILLS
Github Code Github Code
Python & Web: FastAPI, Django
REST Framework, SQLAlchemy
(Async), Pydantic EXPERIENCE
Databases: PostgreSQL, SQLite,
BACKEND DEVELOPER | FIERY TRIPS
Redis
Remote
DevOps & Tools: Docker, Git, Linux
CLI, Alembic 09/2024 - 03/2025

Async & Bots: asyncio, Aiogram, Designed and developed a RESTful API using Django
BAS/Zennoposter REST Framework to manage trips, countries, photos,
Data & ML: Pandas, Matplotlib, and customer requests.
BeautifulSoup, Selenium Optimized database queries using prefetch_related
Testing & Security: Postman, and select_related, reducing response times and
BurpSuite eliminating N+1 query issues.
Frontend Basics: HTML, CSS, Next.js Reduced API response times by 30% through query
optimization and caching.

Technologies Used: Django, Django REST Framework,
LANGUAGE
PostgreSQL, Docker, Telegram API, OpenAPI/Swagger, Git,
English (Intermediate) GitHub.
Spanish (Intermediate)
EDUCATION VOIP ENGINEER
Hybrid
ACHELOR OF MINING AND OIL 2021 - 2023
ENGINEERING
Maintained 24/7 availability of VoIP systems, solving
National Technical University of Oil power outage issues
and Gas, Ukraine Configured Asterisk (CLI) and optimized call routing
2016- 2020

WEB DEVELOPER & SYS ADMIN
SPECIALIST OF TECHNOLOGY
College of Oil and Gas Hybrid
2018 - 2021
2010 - 2014
Built and managed web applications for small business
Worked with SEO, targeted ADS and digital marketing
ADDITIONAL Programs for automating business processes
EDUCATION Increased Organizational Productivity with Software
Bots
PYTHON BOOTCAMP – MATE
ACADEMY (OOP, DJANGO,
FASTAPI) SCRIPT DEVELOPER ON BAS/ZENNOPOSTER

Self Employed
PYTHON COURSE AT
CODEACADEMY 2020- 2021

Setting up and creating scripts in ZennoPoster/BAS to
SQL COURSE AT W3SCHOOLS
automate processes on the websites.
CODEWARS [ 168 KATA Development and optimization of scripts of collecting
COMPLETED ] data and performing various tasks.
Tasting and improvement of existing scripts.