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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Optimization Articles

Technical articles related to optimization.

Optimizing Scroll Performance in React

Techniques for optimizing scroll-driven features in React including throttling, passive listeners, and direct DOM updates.

February 23, 2026 · 9 min read

PostgreSQL Query Optimization: From 3 Seconds to 30 Milliseconds

Practical PostgreSQL optimization covering EXPLAIN ANALYZE, indexing strategies, N+1 fixes, connection pooling, and keyset pagination.

February 16, 2026 · 13 min read