Software that works.
In production.

A software consultancy in Stockholm helping teams ship better software using Test-Driven Development, Behaviour-Driven Development, Clean Code, and Continuous Delivery.

Continuously deploying to production for more than 15 years, underpinned by a thorough safety net of tests.

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Latest from the blog

Thoughts on testing, craftsmanship, and getting software into production.

2026-10-23

Bringing the User Back from Mobile BankID on an iPhone

Logging in with Mobile BankID on a phone goes like this: you tap "Open BankID" in the browser, the BankID app opens, and you identify yourself. Then, by default, you are left in the BankID app, and you have to go back to the browser yourself. Not a nice experience. We wanted LogEze to bring the user back to the browser without that extra step.

Mobile Software development Web
2026-10-08

Run Your Coding Assistant in the IDE Terminal

For a long time I ran my coding assistant in a separate terminal window. Claude Code or Mistral Vibe on one side of the screen, IntelliJ on the other. It worked, but I had to switch windows to see what the assistant had done, and then find the files it had touched. More often than I like to admit, I didn't bother. I read the summary in the terminal and moved on.

AI Coding assistant
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Training

Hands-on courses on testing, automation, and getting software into production. All available upon request.

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Behaviour-Driven Development

Building shared understanding through conversations and concrete examples. 2 days.

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Test-Driven Development

Red, green, refactor. Testing as a design discipline, not an afterthought. 2 days.

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Web Testing with Selenium

Maintainable browser automation that catches regressions before your users do. 2 days.

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Web Testing with Playwright

Fast, reliable, cross-browser testing for modern web applications. 2 days.

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Specification-Driven Development with AI

BDD and TDD meet AI assistants. A renaissance for specifications. 2 days.

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Fullstack Testing

From React to database and back. Test every layer with confidence. 2 days.

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Continuous Deployment

From idea to production in hours. Build the pipeline and the discipline. 2 days.

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Testable Architecture

Hexagonal architecture. Easy to test, easy to change, easy to deploy. 1 day.

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Refactoring and Simple Design

The four rules of simple design. Safe, incremental improvements that pay off technical debt. 2 days.
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We speak about

Available for conference talks, meetups, and team workshops.

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Test-Driven Development

A pragmatic guide to writing tests first and letting them drive your design.

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Behaviour-Driven Development

It's not about the tools. Building shared understanding through examples.

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Continuous Integration

Ship with confidence. Automate your build, test, and deployment pipeline.

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Upcoming speaking engagements

Recent speaking engagements

2026-11-05
Presentation

After 25 Years of Test-First, I Started Pairing with an AI

DevCon, Java & Go Con, 2026 — Bucharest, Romania
2026-10-11
Presentation

After 25 Years of Test-First, I Started Pairing with an AI

JavaCro, 2026 — Rovinj, Croatia
2026-09-25
Presentation

After 25 Years of Test-First, I Started Pairing with an AI

Confitura, 2026 — Warsaw, Poland
2026-05-14
Presentation

Pairing with Claude: My Experience Using AI for Test-First Development

GeeCON Krakow, 2026 — Krakow, Poland
2024-10-22
Presentation

The four rules of simple design

JDD, 2024 — Krakow, Poland
2024-05-15
Presentation

Celebrating twenty years of The four rules of simple design

GeeCON Krakow, 2024 — Krakow, Poland
All events →