Jonathan Dufault

Jonathan Dufault

it’s usually a data problem

Full-stack data engineer and scientist, turning questions into projects. Personal work circles around NLP, food science, Arduino, infrastructure, and cartoon cats. Code is maybe 40% of figuring something out. The rest is just staring at it until it makes sense.

Recent Projects

  • Making Tempeh: An Unreasonably Thorough Approach
    I have had so much trouble making tempeh. Crumbly, inconsistent results, batch after batch. So I decided to go clinical — document every step, measure every variable, and remove every excuse.
  • Strategy is a Story
    In 2016, during my MBA at Cal State Long Beach, I competed in a semester-long business simulation competition. Five teams running fictional companies, making quarterly decisions on pricing, production, marketing, and R&D. I was the CIO for ours. When I downloaded the year 3 quarter 4 reports, I found the… Read more: Strategy is a Story
  • The Price of a Hidden Column
    In March I spent a weekend running test queries through Power BI Copilot on a Fabric F2 capacity, reviewing the diagnostic JSON to understand how to improve my reports. One of those diagnostics is the reason for this post. When I asked a question about product growth trends, the answer… Read more: The Price of a Hidden Column