Enterprise architect who still builds and runs software.
I help insurers turn target pictures into running systems. Building and running my own SaaS products since 2013 keeps me honest about what that takes.
Work
- Principal architect for the core claims management system of an insurer.
- Led enterprise architecture on a billing platform programme of more than 300 people.
- Assessed eleven central IT platforms of a utility against its new IT operating model.
- Took observability for a German utility from strategy to rollout.
Products and tools
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Librario
Cloud library software for corporate libraries, engineering firms and research teams.
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Reporting API App
Collects the errors browsers already detect and routes them to your tools.
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SLA chain calculator
End-to-end availability of a request path. Each row is one hop; add instances where a component scales horizontally.
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ASN QR code labels
Printable archive serial number labels for Paperless-ngx.
Latest writing
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How I over-engineered my private document management system
Paperless-ngx for six tenants on one NAS, reached over Tailscale. A talk from 2024, with what changed since.
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Using Caddy and .localhost for Local HTTPS and Subdomain Support on Linux
Replacing puma-dev when migrating from macOS to Linux
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How to enable reusability for
ActiveRecord::Base::normalizesReview of the new normalizes feature in Ruby on Rails 7.1 and how to increase reusability
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Simplifying UI Testing with data-testid in RSpec & Capybara
Boosting Test Efficiency with data-testid Attributes and Custom RSpec Matchers