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My Next Step

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After leaving my CTO role at Etsy this past May, I took the summer off to spend time with my family, enjoy New York summertime, and give my mind time to refresh and recharge. I thought long and hard about what I wanted to do next; the last time I took a new job was […]

Cognitive Systems Engineering

Invited article in IEEE Software – Technical Debt: Challenges and Perspectives

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Earlier this year, I was asked to contribute to an article in IEEE Software, entitled “Technical Debt: Challenges and Perspectives.” I can’t post the entire article here, but I can post the accepted text of my part of the article here. Misusing the Metaphor John Allspaw All technical disciplines (not just software development) require different […]

Uncategorized

Abstract As A Verb

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The New Stack has an interview with me on various topics here. I think the following part of the interview gets at what I think is an under-investigated bit of language and meaning: TNS: At the same time, I imagine that you’ve abstracted a lot of the supporting infrastructure away from the engineer. They don’t have […]

Architecture

Architectural Folk Models

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I’m going to post the contents of a gist I wrote (2 years ago?!), because Theo is right, some gists are better as posts. The context for this was a debate on Twitter (which, as always, is about as elegant and pleasing to read as a turtle trying to breakdance).  Summing up contextual influence on systems architecture […]

Cognitive Systems Engineering

Some Principles of Human-Centered Computing

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From Perspectives On Cognitive Task Analysis: Historical Origins and Modern Communities of Practice (emphasis mine) The Aretha Franklin Principle Do not devalue the human to justify the machine. Do not criticize the machine to rationalize the human. Advocate the human–machine system to amplify both. The Sacagawea Principle Human-centered computational tools need to support active organization of […]

Complex Systems

Stress, Strain, and Reminders

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This is a photo of the backside of the T-shirt for the operations engineering team  at Etsy: This diagram might not come as a surprise to those who know that I come from a mechanical engineering background. But I also wanted to have this on the T-shirt as a reminder (maybe just to myself, but […]