2026

• Everything I Learned Building Hirestein Jul 7

  A deep dive into building an AI voice interviewer: the STT/LLM/TTS pipeline, why we took interview-ending away from the LLM, shipping on a three-person budget, and what the YC application and Product Hunt launch actually felt like.

2023

• 100 Million Rows on a MacBook Air: Stretching Postgres from OLTP to Analytics Jan 4

  Why the two-database habit is expensive, what HTAP vendors actually do under the hood, and how far plain Postgres goes when you load a decade of stock data into it.

2019

• Our AWS Bill Doubled Before It Halved: Anatomy of a Lift-and-Shift Dec 5

  Moving a six-year-old ad platform from IBM to AWS in four weekends, watching the bill go from $180K to $400K, and the unglamorous work of getting it back to $200K.

• 250K QPS and a Box of Shared Libraries: The Two Jobs of a Platform Lead Dec 5

  Running a real-time bidding engine across four data centers by day, and building the internal platform that let a small team ship like a big one.