Jeremy Kreutzbender
Product Engineer
Hello from Portland, OR and welcome to my website! My software journey currently has me learning as much as I can about delivering great user experiences through product engineering.
Latest Blog Posts
Server Implementation Plan For Rocicorp's Zero - Custom Mutators
A language agnostic overview of what a server implementation looks like for Custom Mutators
Controller Tests with RSpec and Rails 8 Authentication
How to authenticate a User in Controller tests when using RSpec and Rails 8 authentication.
My Thoughts and Experiences with Vibe Coding (Mid 2025)
I've spent a bit of time doing some vibe coding and I wanted to share my thoughts about what went well and what didn't go well.
GitHub CoPilot Instructions Can Catch Ruby On Rails N+1 Queries
A new feature for GitHub CoPilot, called Instructions, can be used to catch N+1 queries in Ruby on Rails applications. It can even leave comments on Pull Requests when it finds them!
Preloading Nested Active Record Associations Syntax
Exploring a lesser known syntax for preloading nested Active Record associations.