Krzysztof Czapla
PYTHON BACKEND ENGINEER / ML INFRASTRUCTURE
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Python backend engineer specialising in ML infrastructure: multi-cloud, Kubernetes, and performance engineering.
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Making a CPU image classifier 2.4x faster
2026-08-28
Instrumenting an image tagging service stage by stage, and why dynamic batching and INT8 quantization both lost to the plain baseline.
Read more →Training a YOLO model on your custom dataset locally
2026-04-25
How to easily train a local YOLO model on a custom dataset of images for free.
Read more →PostgreSQL setup for simple python projects
2026-04-11
How to setup PostgreSQL with Docker and PGBouncer
Read more →Security in FastAPI
2026-03-28
Most important aspects of the FastAPI security and their practical implementations
Read more →How to implement a simple RAG in Python?
2025-12-01
a simple RAG implementation in Python using Qdrant, Ollama and FastAPI.
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