Hi I’m
Kastan Day
I build backend software using data science and distributed data engineering
I’m a software engineer based in Seattle, WA specializing in engineering the most modern and performant backend software for websites and apps. Expert collection and management data leads to the amazing features behind quality products.
Bioloop Sleep
Co-Founder, bioloopsleep.com
We connect to your wearable (Apple watch, Fitbit or Oura Ring) to monitor and improve your sleep.
Full stack web development, focused on
Node.js React Express MongoDB API Design Python R (stat modeling) JavaScript



Winner of HackMIT 2018
AI Journaling app
Key tech: Natural language generation, a very much unsolved problem.
Key tech: Natural language generation, a very much unsolved problem.
Node.js React Express MongoDB API Design
Python R (stat modeling) JavaScript
Winner of HackMIT 2017
AI Fake News Detection app
Key tech: Natural language understanding.
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Key tech: Natural language generation, a very much unsolved problem.
Node.js React Express MongoDB API Design
Python R (stat modeling) JavaScript

From left: Kastan Day, Jason Jin, Josh Fryer, Henry Han
Extending GAN networks to generate images of my friends
Drop a line
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Python TensorFlow TensorMonitor PythonImageManipulation

