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Artem · FELAGI0

Backend Developer

Python · FastAPI · PostgreSQL

I design APIs, automate processes and turn ideas into working services.

Projects

Selected projects

  • Rivalens

    Competitor-site monitoring — snapshots, entity-level diffs and an AI summary of what changed, in Russian. Running on rivalens.ru.

    • Python
    • FastAPI
    • PostgreSQL
    • SQLAlchemy
    • Alembic
    • Next.js
    • TypeScript
    • Docker

    35pytest tests

    Python2026-10-28SourceDemo

    production VPS behind nginx; sign-up required

  • BioPhysLab

    A biophysics study toolkit for medical students — ECG reading, problem solving and LLM explanations. Live on biophyslab.ru.

    • Python
    • FastAPI
    • PostgreSQL
    • SQLAlchemy 2.0
    • React
    • TypeScript
    • Tailwind CSS
    • Docker

    6modules

    Python2026-10-28SourceDemo

  • FELAGI CRM

    A production-minded CRM on FastAPI + React. RBAC, async SQLAlchemy, 195 tests, drag-and-drop kanban.

    • Python
    • FastAPI
    • PostgreSQL
    • SQLAlchemy 2.0
    • React
    • TypeScript
    • Docker

    16endpoints

    Python2026-09-15SourceDemo

    backend cold start ~30s (Render free tier)

  • ProjectHub

    Full-stack project management on FastAPI + React 19. RBAC, kanban, 243 tests.

    • Python
    • FastAPI
    • PostgreSQL
    • React
    • TypeScript
    • Docker

    23endpoints

    Python2026-09-03SourceDemo

    cold start ~30s (Render free tier)

  • StudyLens

    A Chrome extension — highlight an area of the screen with a problem and get a worked answer. Five response modes on hotkeys, streaming, KaTeX.

    • JavaScript
    • Chrome Extension
    • Manifest V3
    • OpenAI API

    5response modes

    JavaScript2026-10-08Source

All projects

About

Backend developer with 2+ years of experience building web applications. I build backends with Python, FastAPI and PostgreSQL — from database schema to production deploy. Worked with both high-load services and MVPs from scratch.

On recent projects I integrated LLM modules into business logic (−40% query processing time), set up WebSocket for real-time features (chat, monitoring), and optimized SQL queries with Redis caching (−35% server load at peak). I care about code quality: mypy, Pydantic, Ruff, pytest. Set up CI/CD with Docker and GitLab CI — releases 25% faster.

Six projects in my portfolio — all with open source, live demos and tests. Stack: Python, FastAPI, SQLAlchemy 2.0 async, PostgreSQL, React, TypeScript, Docker.

Now

  • Working on:Code review and refactoring my portfolio; planning new projects
  • Learning:OAuth, LLM integrations, distributed systems patterns
  • Open to:backend roles in product teams

Principles

  1. Architecture before speed
  2. Automation over repetitive work
  3. Code should still be understandable six months later
  4. Simple systems scale better

Skills

  • Backend

    • Python
    • FastAPI
    • PostgreSQL
    • SQLAlchemy 2.0
    • Alembic
    • Pydantic

  • Frontend

    • React
    • TypeScript

  • Infrastructure

    • Docker
    • Git / GitHub
    • Pytest
    • REST API

Contacts

Open to backend work and collaboration.