igaming platform backend development python (senior+ level), fastapi, orm, PostgreSQL, flask

product company is looking for senior python backend developer in order to implement product tsks / features - code and logic:
- create bonus policy for the players
- create tournaments
- create lotteries, promotions and other player activities
on a backend side
code optimisation and code refactoring
dentify weaknesses, bottlenecks in the code - fix all holes

we need to optimize code, refactor it and create new integations, functions etc.
we have already a platform, back office, affiliate program, etc.

DateTime
Flask
Flask-Cors
Flask-Login
aiohttp
aiohttp-cors
alembic
asyncpg
attrs
beautifulsoup4
bs4
fastapi
geoip2
gino
gino-starlette
gunicorn
maxminddb
psycopg2
psycopg2-binary
public
pyTelegramBotAPI
pydantic
python-dotenv
python-multipart
python-multipartasyncpg
requests
schedule
six
slowapi
starlette
uvicorn
xmltodict