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Job ID : 1600623 Date Updated : July 2nd, 2026
Global Financial Company

~20M JPY | Lead Solution Architect (Generative AI) | N2level

Location Tokyo - 23 Wards
Job Type Permanent Full-time
Salary 11 million yen ~ 20 million yen

Work Style

Remote Work and WFH Casual Clothing Side Business Ok Flex Time

Job Description

*和文は英文に続く


A leading global financial services organization is seeking an experienced Lead Solution Architect (Generative AI) to join its Digital Engineering team.
This is a hands-on technical leadership role responsible for designing, developing, and delivering enterprise Generative AI solutions while providing technical guidance to a team of AI engineers.

The successful candidate will work closely with business stakeholders, architects, senior management, and global teams to build scalable AI solutions including AI agents, agentic workflows, Document AI, AI OCR, and enterprise chatbots using Google Cloud Platform (GCP).
This position is ideal for someone who enjoys combining technical architecture, software development, and AI innovation while leading the successful delivery of enterprise AI initiatives.

Responsibilities:
- Lead the technical design and delivery of enterprise Generative AI solutions
- Provide technical leadership to a team of Gen AI engineers (technical lead role; no people management responsibilities)
- Collaborate with business stakeholders, architects, and cross-functional teams to develop scalable AI applications
- Design and develop AI agents and agentic workflows for business use cases
- Build and maintain enterprise AI solutions such as Document AI, AI OCR, and chatbots
- Develop applications using Java, Python, and modern cloud-native technologies
- Write automated unit tests and maintain high code quality
- Troubleshoot production issues and perform bug fixes
- Monitor and automate cloud-based AI services on Google Cloud Platform
- Develop and maintain APIs and microservices following industry best practices
- Create and maintain technical documentation
- Coordinate with offshore development teams to ensure timely project delivery

Why you should apply:
- Lead enterprise-scale Generative AI initiatives
- Work with international engineering teams
- Drive AI innovation and digital transformation
- Gain exposure to modern AI technologies and large-scale cloud platforms
- Opportunity to make a significant technical impact within a global organization


Company overview:
As one of the world's leading insurance organizations, this company operates across numerous countries and regions, serving millions of individual and corporate customers worldwide. With a strong global presence and a long-established reputation in the financial services industry, the company continues to invest heavily in digital transformation, process modernization, and technology-driven innovation. Employees have the opportunity to work in an international environment, collaborate with stakeholders across multiple regions, and contribute to large-scale enterprise initiatives that directly impact business operations and customer experience.

Working Style: Hybrid (4 days in office, 1 day remote)
Working Hours: Monday–Friday, 9:00–17:00
Holiday: Weekends, Japanese national holidays, Year-end/New Year holidays, Paid annual leave, Special leave
Benefits: Social insurance, Transportation allowance, Overtime pay, Defined contribution pension plan, Professional development support, Training programs, Skill development reimbursement programs, Employee assistance programs, Global working environment with international stakeholders
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グローバルに事業を展開する大手金融サービス企業にて、Lead Solution Architect (Generative AI)を募集しています。


本ポジションは、企業向け生成AIソリューションの設計・開発・導入をリードする、ハンズオンのテクニカルリーダーです。AIエンジニアチームへの技術的なリードを担いながら、ビジネス部門、アーキテクト、経営層、海外チームと連携し、AIエージェント、エージェントワークフロー、Document AI、AI OCR、チャットボットなどの生成AIソリューションをGoogle Cloud Platform(GCP)上で開発・提供していただきます。
AI技術を活用したシステム開発やアーキテクチャ設計に興味があり、エンタープライズ向けAIプロジェクトをリードしたい方に最適なポジションです。

業務詳細
- エンタープライズ向け生成AIソリューションの設計・開発・導入をリード
- Gen AIエンジニアチームへの技術的なリード(ピープルマネジメントなし)
- ビジネス部門やアーキテクトと連携し、AIソリューションを設計・開発
- AIエージェントおよびエージェントワークフローの設計・開発
- Document AI、AI OCR、チャットボットなどの開発・運用
- Java、Pythonなどを用いたクラウドネイティブアプリケーションの開発
- 単体テストの作成および品質向上
- 障害対応・不具合修正
- GCP上のAIサービスの監視・自動化
- API・マイクロサービスの設計・開発
- 技術ドキュメントの作成・管理
- オフショア開発チームとの連携・プロジェクト推進

ポジションの魅力:
- エンタープライズ規模の生成AIプロジェクトをリードできる
- グローバルなエンジニアリングチームと協業できる
- AI・クラウドの最新技術に携われる
- 大規模なデジタルトランスフォーメーションを推進できる
- 技術面で大きなインパクトを与えられるポジション

勤務形態: ハイブリッド勤務(週4日出社・週1日在宅)
勤務時間: 月曜日~金曜日 9:00~17:30
福利厚生:各種社会保険完備, 企業年金制度, 交通費支給, 有給休暇, 土日祝日・年末年始休暇

General Requirements

Minimum Experience Level Over 10 years
Career Level Mid Career
Minimum English Level Business Level
Minimum Japanese Level Business Level
Minimum Education Level High-School
Visa Status Permission to work in Japan required

Required Skills

- 10+ years of software development experience
- Experience developing enterprise applications in the insurance industry
- Strong experience with GCP, Java, Python, and Spring Boot
- Experience with Generative AI technologies and AI agents
- Familiarity with tools such as LangChain, LangGraph, CrewAI, GitHub Copilot, Claude Code, or Google ADK
- Experience with REST APIs, Docker, Kubernetes, SQL/NoSQL databases, and messaging technologies
- Good communication and problem-solving skills
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- ソフトウェア開発経験10年以上
- 保険業界向けエンタープライズシステム開発経験
- GCP、Java、Python、Spring Bootの開発経験
- 生成AIおよびAIエージェント開発経験
- LangChain、LangGraph、CrewAI、GitHub Copilot、Claude Code、Google ADKなどの利用経験歓迎
- REST API、Docker、Kubernetes、SQL/NoSQL、メッセージング技術の経験
- コミュニケーション能力および課題解決力

Job Location

  • Tokyo - 23 Wards

Work Conditions

Job Type Permanent Full-time
Salary 11 million yen ~ 20 million yen
Work Hours 9:00 - 17:30 (Mon-Fri)
Holidays Saturday, Sunday, and National Holidays, etc
Industry Insurance

Job Category

Company Details

Company Type Large Company (more than 300 employees) - International Company
Non-Japanese Ratio Majority Non-Japanese