Piotr Borkowicz

Posts

02.06.2026 / By 

THE SIGNAL: What matters in distributed systems | #3

Here is what matters in distributed systems this month. Oracle proposed removing JVMCI — Amazon pushed back. Anthropic published a Claude Code production postmortem. OpenAI shipped WebSocket Responses API. MCP lands on the JVM.

28.05.2026 / By 

Shipping Faster Doesn’t Mean You Understand What You’ve Shipped

Łukasz Marchewka, CTO at Scalac, on the question most engineering teams have stopped asking: does anyone actually understand what we're building?

29.04.2026 / By  , Piotr Kosecki

LLMs are mediocre at Scala. If you don’t push back, your codebase will be too.

How do we actually use AI in production Scala systems at Scalac? Our senior engineer shares what works, what slows you down, and why LLMs often miss what makes Scala valuable in the first place.

31.03.2026 / By 

AI on the JVM: Multi-Agent Architecture with Apache Pekko, Java, and Rust

1. Introduction: Agentic AI is a Backend Engineering Challenge, Not Just Prompt Engineering LLM models are useless without access to data. They can generate text, but to “find suitable candidates for open vacancies,” they must call real APIs, read results from a database, and make decisions based on the current state of the system. While […]

05.02.2026 / By  , Piotr Kosecki

Last month in AI – January 2026

January 2026 kicked off with a clear message: AI is no longer just a tool, but a core component of the digital economy. The month was defined by the rapid integration of agentic AI into commerce, the launch of specialized AI workspaces for scientific research, and the continued explosion of open-source models — particularly from […]

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