Talks, a podcast and writing about architecture decisions

I speak about the decisions architects make before and around the code. Recordings are mostly in Polish, the articles in English, and I speak in both languages.

What I talk about

  1. Discovery before architecture

    Why the most expensive architecture mistakes are made before the first diagram.

  2. AI accelerates architectural chaos

    What changes for architects when AI writes more of the code, and what stays human.

  3. Conway's law in practice

    How team structure shapes the system, from a project that almost sank.

  4. What an agentic system is made of

    The parts of an AI agent system and the architecture decisions behind them.

  5. Architecture katas and the design process

    Practising architecture decisions, from the O'Reilly Katas to the workshop room.

Talks, a podcast and writing

Talks, workshops, a walking podcast and a book. The recordings are mostly in Polish; the articles are in English.

Talks and guest appearances

  1. Architectural Kata and the architecture design process (Better Software Design #85)PLGuest · 2025
  2. Winners of the O'Reilly Architecture Katas Winter 2024: MonitorMeENCompetition pitch
  3. Six views on IT architecture: Architectural Katas Winter 2024PL2024
  4. How to get along with your client: proven tips for developersPLTalk
  5. Architecture is a musicENTalk

Walking & Talking podcast

  1. #11 Developer, don't write codePL2026
  2. #10 What's next for developers?PL2026
  3. #9 AI in business: notes from ProgramistokPL27 min
  4. Deep Dive #1: What is an agentic system actually made of?PL26 min
  5. #2 I almost sank an IT project: Conway's law in practicePL11 min
  6. #1 The architect in the age of AIPL27 min
All episodes on YouTube

Writing, book and reviews

  1. Speak in their currency: how architects earn influence without authorityENArticle · 2026
  2. “Who broke this?” Why architecture has to remember whyENArticle · 2026
  3. Inform, consult, decide: the people map behind every architectureENArticle · 2026
  4. Walk it again: what the first tour of an organization hides from your architectureENArticle · 2026
  5. Systems copy conversations: what Conway's Law means when you hire a software houseENArticle · 2026
  6. The Architecture We Didn't Build (Thanks to 5 Whys)ENArticle
  7. Product Discovery is not a documentENArticle
  8. The Complexity Map No One Teaches ArchitectsENArticle
  9. AI Accelerates Architectural ChaosENArticle
  10. The Hidden Problem in the Discovery ProcessENArticle
  11. Review of The One Minute Architect by Karol WiszowatyENReview · 2026
  12. Liferay 6.x Portal Enterprise Intranets Cookbook (Packt)ENBook · 2015
All writing

Speaker bio

Free to use in event materials. A portrait is available below.

Piotr Filipowicz is a Solution Architect and co-founder of Arpeggia Studio. He has worked in commercial software since 2004, as a developer, team lead and architect of platforms for logistics, the public sector, insurance and telco, including a B2C platform for DPD in 14 countries. He co-authored Responsible Software Architecture, won first place at the O'Reilly Architectural Katas (Winter 2024) with team BluzBrothers, co-hosts the Walking & Talking podcast and wrote Liferay 6.x Portal Enterprise Intranets Cookbook for Packt.

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