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Hi, I’m Cybernetic-Ransomware

aka Aleksander Marszałkiewicz


👨‍💻 About Me

I’m a Python backend developer focused on building reliable, data-heavy systems and service-oriented architectures.

My work combines backend engineering, data pipelines, and DevOps practices, with hands-on experience in automation and applied ML systems (especially OCR and vision-language workflows).

I have 4+ years of professional experience working with Python, across ERP systems, data platforms, and custom backend services.

Before moving fully into software development, I worked in project management and ERP implementations, which left me with a high tolerance for legacy systems, unclear requirements, and things that “should work but don’t”.


🚀 Current Focus

  • Backend services (FastAPI, Django)
  • Data processing & pipelines (Polars, PostgreSQL, TimescaleDB)
  • Distributed systems (Celery, Kafka, RabbitMQ)
  • Observability & reliability (Grafana, Sentry)
  • Automation & ML-assisted workflows (OCR, VLMs)

🧪 Technologies & Skills

Backend & Programming

  • Python (3.12+)
  • FastAPI, Django
  • Async processing & task queues (Celery)

Data & Messaging

  • Polars, Pandas
  • PostgreSQL, TimescaleDB
  • Kafka, RabbitMQ
  • ETL & data warehousing

DevOps & Infrastructure

  • Docker, Docker Compose
  • Kubernetes (basics)
  • Local-first / on-prem environments

ML / AI (Applied)

  • OCR pipelines (Tesseract)
  • Vision-Language workflows
  • LangChain, LangSmith
  • Practical integration of LLM/VLM APIs

🧭 Direction

  • Building more robust and observable backend systems
  • Moving towards high-performance services (Go / Rust)
  • Improving system design under real production constraints

📫 Contact

I prefer concrete problems, clear ownership, and systems that survive contact with reality.

Pinned Loading

  1. Animals_Healthcare_Application Animals_Healthcare_Application Public

    Portfolio app that is being created as a mentoring training

    Python 1

  2. Nerogar/OneTrainer Nerogar/OneTrainer Public

    OneTrainer is a one-stop solution for all your Diffusion training needs.

    Python 3k 297

  3. alt-ani-cli-win-shinden alt-ani-cli-win-shinden Public

    Python CLI for watching and downloading anime from shinden.pl, optimised for Windows (PowerShell / Windows Terminal).

    Python 1

  4. bpoe-ocr bpoe-ocr Public

    An OCR application used to store temporary images, read receipts and write record propositions in database as a part of Be Part Of the Event application.

    Python 1

  5. QR_generator QR_generator Public

    An example app to test segno library and local kubernetes deployment (minikube)

    Python 1

  6. travel_LLM_planner travel_LLM_planner Public

    A FastAPI-based backend for planning optimized visit routes from Google Maps saved lists. It scrapes, enriches, and manages places of interest, then feeds them into a route optimizer based on the T…

    Python