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Job ID : 1602337 Date Updated : July 13th, 2026
AI時代のソフトウェア開発に挑戦

【日系大手EC】AIソフトウェアエンジニア(Go・React・GCP)|東京(派遣)

Location Tokyo - 23 Wards
Job Type Contract
Salary Negotiable, based on experience

Work Style

Casual Clothing Minimal Overtime

Job Description

日本を代表する大手Eコマース・テクノロジー企業にて、AIソフトウェアエンジニアを募集しています。

本ポジションでは、AIを活用した次世代アフィリエイトマーケティングプラットフォームの新規開発を担当します。

Go、React、GraphQL、Google Cloud Platform(GCP)などの最新技術を活用し、生成AIツールも開発プロセスに取り入れながら、次世代のデジタルマーケティングサービスを構築していただきます。

グローバルなエンジニアチームと協働し、AI時代のソフトウェア開発に挑戦したい方に最適なポジションです。



主な職務内容

  • AI搭載アフィリエイトマーケティングプラットフォームの設計・開発
  • Go、React、GraphQLを用いたクラウドネイティブアプリケーション開発
  • システム性能、可用性、スケーラビリティの改善
  • CI/CD、DevOps環境の改善および開発効率向上
  • ビジネス部門と連携した要件整理・技術提案
  • コードレビューや技術ドキュメント整備による品質向上
  • AI開発支援ツールを活用した開発プロセス改善

Join one of Japan's leading technology and e-commerce companies as an AI Software Engineer and help build a next-generation AI-powered affiliate marketing platform. This is an exciting opportunity to work on a greenfield project where AI technologies are embedded throughout the software development lifecycle.

Working alongside a highly international engineering team, you will leverage modern technologies including Go, React, GraphQL, Google Cloud Platform (GCP), and cutting-edge AI coding assistants to develop scalable, cloud-native applications that support one of Japan's largest digital ecosystems.

Only for candidates residing in Japan.



Key Responsibilities

  • Design, develop, test, and deploy a next-generation AI-driven affiliate marketing platform.
  • Build scalable cloud-native applications using Go, React, GraphQL, and modern software architecture.
  • Investigate system bottlenecks and optimize application performance for reliability and scalability.
  • Develop and maintain operational procedures, technical documentation, and deployment processes.
  • Gather technical and business requirements while providing solutions to stakeholder inquiries.
  • Participate in code reviews and promote software engineering best practices to ensure high-quality code.
  • Collaborate with cross-functional engineering teams to continuously improve development processes and product delivery.
  • Utilize AI-powered development tools to improve engineering productivity and software quality.




General Requirements

Minimum Experience Level Over 6 years
Career Level Mid Career
Minimum English Level Fluent
Minimum Japanese Level Business Level
Minimum Education Level Bachelor's Degree
Visa Status Permission to work in Japan required

Required Skills

必須条件 経験・資格:

  • ソフトウェア開発経験5年以上
  • Go、Reactを用いたWebアプリケーション開発経験
  • GCPなどクラウド環境での開発経験
  • GraphQL、RDBMSを利用した開発経験
  • CI/CD、DevOps環境での開発経験
ソフトスキル:
  • グローバルな開発環境でのコミュニケーション能力
  • ディスカッションを通じてよりよいものを作り上げていく姿勢、コラボレーション能力
  • 業務に取り組む主体性、自走力
語学力:
  • 日本語:ビジネスレベル
  • 英語:上級ビジネスレベル(技術的なディスカッションができるレベル)
歓迎条件
  • Claude、Gemini、Codexなど生成AIツールを活用した開発経験
  • AI・機械学習関連システムの開発経験
  • 生成AIを活用した開発プロセス改善やプロダクト開発への関心
Required Skills and QualificationsExperience:
  • 5+ years of software engineering or application development experience.
  • Strong experience with Go, React, GraphQL, OAuth, and RDBMS technologies.
  • Hands-on experience with Google Cloud Platform (GCP), including Cloud Run, Terraform, and Cloud Pub/Sub.
  • Experience developing cloud-native applications and modern distributed systems.
  • Experience using AI-assisted development tools such as Claude, Codex, Gemini, or similar AI coding assistants.
  • Strong knowledge of GitHub Actions, CI/CD pipelines, DevOps, automated workflows, and software engineering best practices.
  • Bachelor's degree or equivalent professional experience.
Soft Skills:
  • Excellent communication skills with the ability to collaborate effectively in a global engineering environment.
  • Strong analytical and problem-solving abilities.
  • Self-motivated with a proactive approach to continuous improvement.
  • Ability to work independently while contributing effectively to cross-functional teams.
  • Strong attention to detail and commitment to software quality.
Language Requirements:
  • English: Fluent
  • Japanese: Business level (Conversational proficiency acceptable for daily communication)
Preferred Skills & Qualifications
  • Experience developing AI-powered or machine learning applications.
  • Experience working within Agile or Scrum development environments.
  • Knowledge of affiliate marketing, ad tech, or digital marketing platforms.
  • Experience building highly scalable cloud-based platforms on GCP.
  • Passion for emerging AI technologies and modern software engineering practices.

Job Location

  • Tokyo - 23 Wards

Work Conditions

Job Type Contract
Salary Negotiable, based on experience
Industry Bank, Trust Bank

Job Category