Welcome

My name is Siarhei Berdachuk.

I'm a seasoned IT professional with over 30 years of experience in software engineering, team leadership, and cutting-edge solution design. I specialize in Java development, AI integration with Spring AI, and high-performance backend systems.

This blog is where I share insights on clean code, test-driven development, scalable architectures, and practical applications of AI in enterprise environments.

Latest Articles

Running Qwen3.6-35B-A3B at 262K Context with FreeToken MoE Offload

29-Aug-2026

Running Qwen3.6-35B-A3B at 262K Context with FreeToken MoE Offload

Practical benchmark of Qwen3.6-35B-A3B-FP8 on RTX 4090 with FreeToken, including a 17-category statistical rerun (51/51 successful iterations) and near-full 262K context verification.

How to Use One Prompt to Build a Complete AI Context Architecture for Your Codebase

18-Jul-2026

How to Use One Prompt to Build a Complete AI Context Architecture for Your Codebase

A plain-language guide to a single reusable prompt that makes an AI coding agent design AGENTS.md files, a skills folder, and a memory bank for your project —

Spring AI Agentic Patterns: Agent Skills for Clinical Decision Support

14-Jun-2026

Spring AI Agentic Patterns: Agent Skills for Clinical Decision Support

How med-expert-match-ce uses 9 domain-specific Agent Skills from spring-ai-agent-utils to build a modular, LLM-agnostic specialist-matching system on Spring

From Chatbots to Harnesses: A Practical Classification of Modern AI Systems

12-Jun-2026

From Chatbots to Harnesses: A Practical Classification of Modern AI Systems

A technical, architecture-first guide to how today’s AI systems are built: from plain LLM chats and RAG to Deep Research agents and full-blown harnesses, with