Aki Ariga
Aki Ariga

Principal Software Engineer

Machine Learning Product Engineer
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Hello, I’m Aki👋
As a Vancouver-based Principal Software Engineer at Treasure Data, I specialize in production ML systems, ML product development, and MLOps. I am driven by the mission to use machine learning to make a meaningful difference for both businesses and society.
Recent Posts

Embedding workflow templates in skills: shifting the LLM's role from "generation" to "rendering"

The dream of LLM-powered ML workflow generation At my company, an ML feature called AI Signals provides capabilities like RFM analysis, recommendation, and contextual bandits. To …

Migrated from Pages CMS to Sveltia CMS featured image

Migrated from Pages CMS to Sveltia CMS

I introduced Pages CMS last summer, but after encountering several concerns, I migrated to Sveltia CMS. Motivation As I wrote in this comment on GitHub, the move was triggered by …

Between Principal and Glue Work

Introduction I have always worked with the mindset that being a Staff+ Engineer is essentially doing high-level “glue work.” Because the tasks are surprisingly diverse, I have …

Tackling Review Fatigue by Document Driven Agentic Coding featured image

Tackling Review Fatigue by Document Driven Agentic Coding

This year, the amount of time I spend on reviews has exploded. This applies to both code and documentation. And the fatigue from this has also increased dramatically. Of course, …

Configured Pages CMS featured image

Configured Pages CMS

I had been looking for a way to write Hugo articles on mobile devices like my iPad, and that’s when I came across this article by mehori and decided to try Pages CMS.

Recent Posts (Japanese)
Treasure Dataを退職しました featured image

Treasure Dataを退職しました

2026/3/31付けで7年半務めたTreasure Dataを退職します。

ワークフローテンプレートをskillに埋め込んで、LLMの役割を「生成」から「レンダリング」に変えた話

MLワークフローのLLMによる自動生成の夢 会社のAI SignalsというML機能では、(MLではないが)RFMや推薦、Contextual Banditといった処理を行う機能がある。特にMLの予測処理をスケーラブルに実行するために、ML用APIをcallすると裏側でAWS Batchが起動して並列でworkerを立ち上げるという仕組みを取っている。この並 …

Montréalに10年以上ぶりに行った featured image

Montréalに10年以上ぶりに行った

3月の上旬にworkationとして友人を訪ねがてらMontréalとOttawaに数日行ってきた。

ボランティアデーでWikipediaの太平洋時間(Pacific Time)の改善をした featured image

ボランティアデーでWikipediaの太平洋時間(Pacific Time)の改善をした

会社のボランティアデーというのがあるので、何がいいかなと思って色々とClaudeと話したところ、Wikipediaのカナダ時間にBC州のタイムゾーンが「太平洋時間」に変わるという発表を受け編集したのを思い出したので、それ関連の改善をした。

「Agents SDK+αのTipsを一人で書いていくアドカレ Advent Calendar 2025」を追走した

@mocobeta さんが書いてくださった、OpenAIのAgents SDKを試すアドベントカレンダーの追走をした。子供の春休みで有給取っていることもあり、春休みの宿題よろしくやってみた。

Featured Publications
MLOpsの歩き方 (Beginners Guide to MLOps) featured image

MLOpsの歩き方 (Beginners Guide to MLOps)

This article covers very biginning guide for MLOps, i.e., What is MLOps? How do tech giants make Machine Learning systems? What challenges are important? or major open sources for …

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Aki Ariga
仕事ではじめる機械学習 (Machine Learning at Work) featured image

仕事ではじめる機械学習 (Machine Learning at Work)

First book for how to design Machine Learning systems and how to proceed Machine Learning projects. This book is originally written in Japanese, but available in Korean, Simplified …

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Aki Ariga