Blog
Notes on full-stack development, AI/RAG systems and things I learn along the way.
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Hello, world — and why I built this site
A short intro to who I am, what I work on, and what I plan to write about here.
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What bank and payment integrations taught me about resilience
Idempotency, webhooks you can trust, and why “the happy path” is the smallest part of a payment flow.
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Three PostgreSQL traps that quietly slow down full-stack apps
N+1 queries, missing indexes on the columns you actually filter by, and counting the wrong way.
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Docker for small teams: the parts that actually pay off
Not microservices and Kubernetes — just reproducible environments and a deploy you can trust.