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Insights on architecture, Java/Kotlin engineering, AI implementation, and software delivery.

Published: Mar 30, 2026

Launching podarujdobro.pl: Handling a 200x Traffic Spike on Day One

We launched podarujdobro.pl on a Friday evening. A viral Facebook post sent traffic surging 200x within hours. Here's how we kept the platform running and helped raise nearly 1.4 million PLN in just over 24 hours.

KubernetesCase StudyScalingGKEDevOps

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Published: Feb 19, 2026

From a Windows Kiosk to a Tablet Solution: Lessons from an AI System Prototype

A public demo of an AI kiosk prototype helped validate assumptions quickly. Hardware turned out to be the biggest risk, which led to a pivot toward a simpler tablet solution.

Case studyAIAutomationHealthcareSystems architectureUX

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Published: Nov 12, 2025

When Hibernate Logs 'applying in memory': fixing pagination with fetch joins

If you see firstResult/maxResults with collection fetch in logs, pagination is likely happening in memory. The safe fix is to paginate IDs first, then fetch graph data.

HibernateSpring Data JPAKotlinJavaPagination

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Published: Jun 29, 2025

A2A protocol in practice: how agent-to-agent integration can work in real systems

A2A is not just a buzzword. It is a protocol layer for autonomous agents to discover each other and collaborate with explicit capabilities and trust settings.

A2AAI AgentsLLMArchitectureIntegration

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