Field notes on agentic engineering · Hamburg · MMXXVI
More dispatches · 14 posts
  1. 01

    Who Owns Web 4.0?

    Three companies, three bets on where platform control lives. And a geopolitical shift that might matter more than any of them.

    Feb 27, 2026 · 24 min
  2. 02

    The Supply Side of Web 4.0

    The SaaS era was the golden age of building interfaces. What comes next rewards capability, not chrome.

    Feb 26, 2026 · 24 min
  3. 03

    Why Web 4.0 Might Succeed Where Web 3 Failed

    Web 3 had architecture too. The difference is that Web 4.0 solves a problem people actually have.

    Feb 25, 2026 · 11 min
  4. 04

    OpenClaw, the End of the SaaS Playbook, and the Arrival of Web 4.0

    OpenAI's OpenClaw hire was framed as a talent acquisition. Zoom out and you see a platform stack being assembled in plain sight — model, agent, app store, distribution, device. The opening move of Web 4.0.

    Feb 24, 2026 · 12 min
  5. 05

    On Boilerplate and the Death of Old Principles

    When a machine can rewrite a module in seconds, do YAGNI and DRY still earn their place? The principles survive — but the reasons we hold them shouldn't.

    Feb 23, 2026 · 8 min
  6. 06

    On AI and Existential Fears

    Two years through Copilot, Cursor, Devin, Claude, Codex — and every stage of the hype cycle that came with them. Where AI-assisted coding actually helps, and where the wonder runs out.

    Feb 20, 2026 · 13 min
  7. 07

    The game has changed

    Modern football killed the specialist. The same shift has been hitting engineering teams for years — and most leadership models haven't caught up.

    Apr 5, 2019 · 13 min
  8. 08

    Our GraphQL learnings and observations

    Two years in with GraphQL at scale. What we underestimated, where the hype breaks down, and the parts of the technology that still need to grow up.

    Jan 11, 2019 · 23 min
  9. 09

    On Agile Codebases

    Agility isn't a process. It's the technical decisions you made six months ago. The XING One codebase choices that kept us able to actually inspect and adapt.

    Nov 23, 2018 · 17 min
  10. 10

    The initial game plan

    Long-term plans in big-company IT go stale fast. Two principles — reduce risk early, make corrections cheap — that shaped how we rolled XING One into production.

    Nov 16, 2018 · 10 min
  11. 11

    Choosing the right technology for XING One

    Premortems, throwaway prototypes, and the discipline to ignore what your team already knows. Why Scala beat the languages we were more comfortable in.

    Nov 4, 2018 · 10 min
  12. 12

    Kickstarting the XING One project

    Most projects don't fail for technical reasons. The naming, mission, and lighthouse-project work that set up XING One before a single line was written.

    Oct 31, 2018 · 8 min
  13. 13

    What Made Us Interested In Graphql

    Four years of API pain at XING — the field-selection hacks, the REST-vs-mobile tug-of-war, and the moment GraphQL stopped feeling theoretical.

    Oct 25, 2018 · 16 min
  14. 14

    Per Aspera Ad Astra

    Series intro: how four people set out to introduce GraphQL at XING, and the playbook for landing platform-shift technology inside a 1.3k-person company.

    Oct 21, 2018 · 4 min