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GefMar/README.md

Hi, I'm Sergei Romanchuk

Backend Engineer · Python · Rust · High-load systems


About me

Backend engineer based in Malta, focused on building reliable, observable and high-performance backend systems.

I have strong experience with Python backend development, asynchronous processing, database design, service architecture and production systems.
Currently learning and actively exploring Rust for performance-critical infrastructure, networking and developer tooling.

  • Backend engineering with Python for 15+ years
  • Experience with Django, FastAPI, LiteStar and async Python
  • Working with PostgreSQL, ClickHouse, Redis, MongoDB and SQLAlchemy
  • Interested in Rust, distributed systems, observability and high-load APIs
  • Currently working at Altenar

Tech Stack


What I care about

Clean architecture      ███████████████████░
Async backend systems   ███████████████████░
Database performance    ██████████████████░░
Observability           █████████████████░░░
Rust infrastructure     ███████████████░░░░░
Developer tooling       ████████████████░░░░

Focus Areas

  • Backend architecture
  • Async Python services
  • API design
  • High-load systems
  • Event-driven architecture
  • Data pipelines
  • ClickHouse and analytical workloads
  • Rust-powered Python tooling
  • Open-source development

GitHub Stats


Open Source

I am interested in building practical developer tools, backend infrastructure and libraries that solve real engineering problems.

Current interests:

  • Python libraries powered by Rust
  • Async HTTP clients
  • Queue workers and task processing
  • Observability tools
  • High-performance data services

Contact

Pinned Loading

  1. logic_processes_layer logic_processes_layer Public

    PYPI

    Python 12 2

  2. gefest_simple_rest_client gefest_simple_rest_client Public

    Python 7 1

  3. django_event_observer django_event_observer Public

    Python 10