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  • Vietnam · Remote (UTC+7)

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SergNik38/README.md

Sergey Nikitchenko — Python Backend Developer

I build backend services, Telegram bots, data parsers and LLM-powered automations in Python, and ship them in Docker. Remote · UTC+7 · open to freelance and contract work.

Stack: Python · FastAPI · Django / DRF · SQLAlchemy 2.0 · PostgreSQL · Redis · Celery · aiogram · OpenAI / OpenRouter APIs · Docker · GitHub Actions · React

Background: about a year of ERP development (business documents, access rights, reporting) plus web application development.

Featured projects

Project What it is Stack
KworkParser Freelance job monitor: rule-based + LLM scoring, Telegram notifications, AI-drafted replies, feedback loop Python, OpenRouter, SQLite, Docker, CI
TestTask_Hitalent REST API for an organisation tree (departments and employees) FastAPI, async SQLAlchemy 2.0, PostgreSQL, Alembic, Docker
TGBotKwork Telegram bot aggregating several LLMs with per-model chat history and Telegram Stars payments aiogram, OpenRouter, Docker
WalletApp Wallet REST API: deposits, withdrawals, balance, transaction history Django REST Framework, PostgreSQL, Nginx, Docker
WB-Parser Marketplace product parser with a web UI and Excel export FastAPI, httpx (async), pandas, Docker

How I work

  • Small, reviewable milestones with a working demo at each step
  • Tests and Docker from day one, so the project runs the same everywhere
  • Human-in-the-loop for anything AI writes into real data

Pinned Loading

  1. KworkParser KworkParser Public

    Freelance job monitor: rule-based + LLM scoring, Telegram alerts and AI-drafted replies. Python, OpenRouter, SQLite, Docker

    Python

  2. TGBotKwork TGBotKwork Public

    Telegram bot that aggregates several LLMs (GPT-4o mini, DeepSeek, Mistral) with chat history and Telegram Stars payments. aiogram, OpenRouter, Docker

    Python

  3. WB-Parser WB-Parser Public

    Marketplace product parser with a web UI and Excel export. FastAPI, async httpx, pandas, Docker

    HTML

  4. TestTask_Hitalent TestTask_Hitalent Public

    REST API for an organisation structure (departments tree + employees). FastAPI, async SQLAlchemy 2.0, PostgreSQL, Alembic, Docker

    Python

  5. WalletApp WalletApp Public

    Wallet REST API: deposits, withdrawals, balance and transaction history. Django REST Framework, PostgreSQL, Nginx, Docker

    Python