Blog
Thoughts on engineering, infrastructure, and best practices
I used to love this job differently
A short confession about what changed when AI moved into my editor. Six memories of the slow paths that used to make the work feel earned.
あの頃の、この仕事の愛し方
AIがエディタの中に住み着いたとき、何が変わったのか。仕事が「自分のもの」だと感じさせてくれた、6つのゆっくりとした道のりについての短い告白。
RAG: from concepts to a Bedrock + OpenSearch Serverless build
A practical guide to Retrieval-Augmented Generation: what it is, when to use it, the best practices that decide whether it works in production, and a hands-on walkthrough building a minimal RAG service on AWS with Bedrock and OpenSearch Serverless.
RAG: コンセプトから Bedrock + OpenSearch Serverless での構築まで
Retrieval-Augmented Generation (RAG) の実践ガイド：その正体、いつ使うか、本番運用で機能するかを決める実践プラクティス、そして Amazon Bedrock と OpenSearch Serverless を使った AWS 上での最小限の RAG サービスを構築するハンズオン手順。
Real-time data processing, Part 1: AWS ECS App Mesh and retry strategies
How to implement robust retry strategies in real-time data processing pipelines using AWS ECS and App Mesh, with Terraform infrastructure and Golang backend services.
Feature flag standard
A comprehensive standard for managing feature flags, covering types, naming conventions, implementation techniques, and best practices.
Best practices for doing code reviews
Lessons learned from years of reviewing code: from checklist-driven reviews to conducting effective code challenge evaluations for hiring.