Roman

Roman Agafonkin
Python-developer
email | telegram | github | linkedin

ABOUT ME
I have been involved with the web and IT for more than 10 years (SEO, PM, developer). After many years of
commercial development in PHP, I changed direction to Python-backend. Analytical mind, sociable,
stress-resistant, capable of learning and working in a team.

SKILLS
Commons: FastAPI, SQLAlchemy, Pydantic, Asyncio, Pytest
Django: Django REST Framework, Django core, Django ORM
Database: SQL, NoSQL, Redis, Memcache
Queue: RabbitMQ
Environment: Linux (on laptop), Docker, Git, PyCharm
Deploy: AWS, Digital Ocean, Railway, VPS

EXPERIENCE
Khasin-Telecom, USA (remote) – Python developer
02.2025 - 05.2025
Creating an internal CRM system (Django Rest Framework). Transfer of business logic from Fastapi to DRF.
Integration with Google Cloud, Gmail API, Google Pub/Sub.
Refactoring the old code base, working with several Telegram-bots

eXsoft, Kyiv – Python developer
01.2023 - 08.2024
Acceptcoin.io | Coin24.io | Buycoin.cash
Created a Telegram bot (Python Telebot + Google AI) that automates communication with users. Automate
system tasks using Python + asyncio.
Developed and implemented a library for integration with WhatsApp Business API to automate communication
between the support team and customers.
Improved API for interaction with third-party services, integration of solutions with various platforms.
Django REST Framework: codebase, fixing bugs and ensuring system stability.
WNET, Kyiv – PHP developer
06.2022 - 12.2022
Optimized CRM performance by refactoring code and optimizing slow database queries (some queries became
90% faster).
Rewrote some legacy system components to a modern stack.
Mentored junior specialists, helping them overcome the threshold of entry into the Symfony project and stack.

YARANDIN Inc., Kyiv– PHP developer
08.2021 - 04.2022
Database optimization: managed to reduce the load on the database by 65% ​by analyzing and refactoring heavy
queries, indexing tables and optimizing the database structure. This resulted in significant improvements in
system performance and reduced response times for users.
Integration with external APIs: API interfaces for interaction with third-party services have been developed and
improved, which made it possible to automate and speed up the system. Had a positive impact on user
experience by reducing the number of calls.
Teamwork and Mentoring: Participated in the development of architectural solutions, trained junior developers
and helped them solve technical problems effectively.

Lucky Labs Inc., Kyiv – PHP developer
05.2016 - 06.2019
The process of creating and launching more than 200 websites per month was built from scratch, which allowed
us to effectively receive visitors from search engines and increase our reach.
Automation of development processes by creating tools for quick deployment and filling of sites, which reduced
the time to launch a new site to 1 hour.
Development of a system for monitoring site metrics. Specialists were able to work effectively with a large
number of sites.
Implementation of a unified development infrastructure, which reduced the time for setting up the environment
and minimized problems with compatibility of software versions.

EDUCATION
Donetsk National Technical University, Donetsk – bachelor
1999 –2003
Business/Office Automation/Technology/Data Entry