KOWASHLAB

KowashLab — Backend & AI Architect

KowashLab — backend architecture, APIs, and scalable systems. Explore engineering blog posts, development projects, and technical articles about FastAPI, React, Supabase, system design, and backend engineering.

Full-stack developer specializing in Python backend systems, AI/LLM integration, and modern web applications. Expert in FastAPI, Django, React, TypeScript, and cloud infrastructure. Based in Stockholm, available worldwide.

Services: Backend & AI Logic, Frontend Development, Database & Vector Data, AI & API Integration, Cloud & DevOps, Testing & Security.

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Logging Articles

Technical articles related to logging.

Observability for Backend Services: Logs, Traces, and Metrics That Matter

How to instrument a FastAPI backend with structured logging, distributed tracing, and metrics — without drowning in data.

April 1, 2026 · 13 min read

Error Handling Patterns for Production Python Applications

Production error handling patterns for Python applications including custom exceptions, structured logging, context propagation, and retry logic.

February 5, 2026 · 11 min read