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Sergei Romanchuk GefMar

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43 followers ยท 11 following
  • Malta

Achievements

Achievement: QuickdrawAchievement: Starstruckx2Achievement: Pair ExtraordinaireAchievement: YOLOAchievement: Pull Sharkx3Achievement: Arctic Code Vault Contributor

Achievements

Achievement: QuickdrawAchievement: Starstruckx2Achievement: Pair ExtraordinaireAchievement: YOLOAchievement: Pull Sharkx3Achievement: Arctic Code Vault Contributor

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@taskiq-python
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GefMar/README.md

Hi, I'm Sergei Romanchuk

Backend Engineer ยท Python ยท Rust ยท 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

@GefMar's DevQuest Rank Badge


@GefMar's DevQuest Skill Bars


Tech Stack


What I care about

Clean architecture      โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–‘
Async backend systems   โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–‘
Database performance    โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–‘โ–‘
Observability           โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–‘โ–‘โ–‘
Rust infrastructure     โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–‘โ–‘โ–‘โ–‘โ–‘
Developer tooling       โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–‘โ–‘โ–‘โ–‘

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. AmberFog/foghttp AmberFog/foghttp Public

    Python 18

  2. taskiq-python/taskiq taskiq-python/taskiq Public

    Distributed task queue with full async support

    Python 2.4k 159

  3. taskiq-python/taskiq-aio-pika taskiq-python/taskiq-aio-pika Public

    AMQP broker for taskiq

    Python 48 18

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