Staff Software Engineer - AI Platform (Backend)

Treasure AI Minato-ku, Tokyo April 15 2026
  • 💴 No salary range given
  • 🏡
    Partially remote
  • 🗾 Japan residents only
  • 💬
    No Japanese required
    Business English
  • 🧪
    Senior level
    8+ years experience required
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About Treasure AI

Treasure AI Minato-ku, Tokyo

Treasure AI is the only enterprise Customer Data Platform that harmonizes an organization’s data, insights, and engagement technology stacks to drive relevant, real-time customer experiences throughout the entire customer journey.

Key benefits

  • Highly Technical Founders
  • Globally distributed company
  • Open Source is in our DNA

About the position

Responsibilities

  • Work to deliver Generative AI solutions for new and existing features within the Treasure Data platform

  • Assist with planning, design, and development within the Generative AI engineering domain.

  • Assist with system design activities, bringing an experienced perspective to discussions to make the right tradeoffs.

  • Build with a mind towards scalability, performance and operationalization.

  • Assist with production operations as part of our full team on-call rotation

  • Keep up to date on novel technical concepts that we should adopt (and which ones we should ignore).

  • Along with the rest of the team, own and operate the services that you built.

Requirements

  • 8+ years of software engineering experience with a proven track record.

  • Experience building software with Ruby / Ruby on Rails

  • Experience with Large Language Models: prompt engineering, model development, deployment, and optimization

  • Experience with SQL, optimizing queries, and managing relational databases in a production setting

  • Experience with various testing approaches, correctness through design and a holistic approach to quality.

  • Exposure to cloud technologies (particularly, AWS) and development/deployment in a cloud infrastructure.

  • Business level English proficiency

  • Ability to organize and lead projects with a team of engineers, coordinating with other teams around the world

  • Ability to articulate engineering architectures and document requirements

  • Experience with Frontend development, React, Angular etc.

Nice to haves

While not specifically required, tell us if you have any of the following.

  • Experience with Kubernetes, Helm, and ArgoCD

  • Experience with Python

  • Experience with Terraform

  • Experience with React and modern JavaScript and TypeScript features

DO YOU NEED MORE INFO?
ASK A QUESTION

Meet Treasure AI's Developers

David discusses how he enjoys switching hats between ML and software, and why he finds Treasure AI’s “extensive ecosystem” so much fun.

Read their story...

Carlo, a Staff Software Engineer, shares how Treasure AI’s latest AI initiatives are opening up unprecedented opportunities for both the company, and his career.

Read their story...

Tyler is a software engineer at Treasure AI working on their Data Clean Room product. He talks about how Treasure AI supports their team’s learning and growth, and how they invest in the quality and performance of their services.

Read their story...

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