Responsibilities:• Refinement and support of two large promotional sites;• Development of an internal library for these sites;• Integration with third-party services (CRM);• Development of API for frontend, admin panel;• Creation of telegram bots;Achievements:• Designed a microservice architecture to transition from a monolithic one;• Moved services from Python 3.6 to 3.11 and Django from 2.2 to 4.2;• Introduced the practice of using Docker and writing tests;• Developed an analytical tool for the site's security service;• Created a telegram bot that collects complaints about the residential complex from its residents and guests.Technology stack: Python, Django (DRF), Postgres, Redis, Celery, PyTest, Docker, GitLab Actions, CI/CD, Aiogram, Pandas.

During this time I managed to write:• Service for authorization and authentication by JWT tokens;• Implemented ETL to transfer data from Postgres to ElasticSearch;• Developed an asynchronous full-text search engine;• Managed the design and participated in the creation of a service to collect statistics about user actions;• Also designed and developed a billing service with YuKassa integration.Technology stack: FastAPI, Flask, Django, Postgres, MongoDB, Redis, Celery, ClickHouse, Kafka, RabbitMQ, ElasticSearch, ELK, GitHub Actions, Docker, Nginx.

During this time we have developed:• Photobank - a service for selling photos. Implemented full backend and frontend for the site;• Telegram bots with Qiwi API integration;• Application for captioning live sports matches, which is integrated with the API of the vMix application and the API of the Russian handball website.Technology stack: Django, Postgres, Celery, Redis, Aiogram.