Derrek Bertrand

Derrek Bertrand

Engineering Manager / Software Engineer

I have a passion for outcome driven teams, legacy displacement and continuous improvement. I value empiricism, humanism and equity.

portrait of a suave and handsome man in front of a luscious river

Latest Blog Posts

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The Elixir of Expertise

Somewhere in vaguely historic China, on a mountain to the west, there lives an ogre who brews an elixir. It is said that if you drink the elixir you can instantly become an expert in anything you desire.

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Deep Magic: Sparse Tests using a Makefile

When running tests and deployments in CI, we do not want to test and deploy projects that were not affected by code changes. Here we discuss how to handle that with a Makefile.

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Wrangling Legacy Data: Denormalize and Purge

Does a user need to access data from 5+ years ago? For most stores / tables and most organizations the answer is “no”. For most business software, we are managing the day-to-day. We will not be running reports over the past half decade or accessing a delivery route from 2018. For these cases, we denormalize and purge.

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