Blogs

Notes on product building, AI, and the decisions behind the work. Written for general readers and technical leaders alike.

June 28, 20266 min read

Returning to Machine Learning Fundamentals with Kaggle Titanic

I used Kaggle Titanic to rebuild my machine learning fundamentals from the ground up: build a clean baseline, keep the experiment structure versioned, compare simple models, and create a submission path I can improve over time.

Machine LearningKagglescikit-learnPythonPortfolio
April 21, 20267 min read

Passing DP-700: How Daily Microsoft Fabric Work Became Exam Prep

I passed the DP-700 Microsoft Fabric Data Engineer Associate exam after months of using Fabric in real revenue recovery work, then reinforcing that experience with Microsoft Learn, FabCon, YouTube, and hundreds of practice questions.

Microsoft FabricDP-700PySparkKQLPipelinesData EngineeringRevenue Assurance
March 26, 20268 min read

Why I Want a Local Agent OS, Not Another Chatbot

The most interesting thing about agentic AI is not that it can talk. It is that it can act inside a controlled boundary, with local execution, deny-by-default policies, and human approval where it matters.

Agentic AIAI SecurityLocal InferenceEnterprise AIInfrastructure
February 25, 20265 min read

Two Days of Polish in EspressoLytics

I had a free weekend, opened EspressoLytics on my phone, and within ten minutes had a list of things that bugged me. Here is what I fixed.

iOS DevelopmentSwiftUISwiftDataUX