Senior Lead Architect (#509)


¥17,000,000 ~ ¥20,000,000 Yearly

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港区白金, 東京都
Full time Permanent
Insurance

Job description

Our client are seeking an experienced Senior Solution Architect to lead the end-to-end architecture design for a large-scale life insurance platform modernization program. This role will drive the transformation of legacy mainframe systems into modern, cloud-based, scalable, and secure solutions.
 

Key Responsibilities

Solution Architecture, Strategy & Roadmap

  • Define and govern end-to-end solution architecture for the modernization program
  • Translate business strategy into scalable, secure, and compliant technical solutions
  • Establish architecture standards, design principles, and reusable blueprints
  • Develop and maintain architecture roadmaps aligned with business and IT strategy

Platform Evaluation & Design

  • Evaluate and select appropriate platforms, tools, and technologies
  • Design modern architectures leveraging cloud-native, microservices, and API-first approaches
  • Ensure solutions are scalable, resilient, and future-ready

Integration & Security Architecture

  • Define integration patterns including APIs, event-driven architecture, and messaging systems
  • Ensure robust security architecture aligned with regulatory and enterprise requirements
  • Collaborate with security teams to embed security-by-design principles

Cloud & DevOps Alignment

  • Drive adoption of cloud platforms (AWS/Azure) and modern DevOps practices
  • Ensure alignment with CI/CD pipelines, automation, and infrastructure-as-code principles
  • Promote engineering best practices for reliability, scalability, and efficiency

Quality Assurance & Compliance

  • Ensure architectural compliance with enterprise standards, governance, and regulatory requirements
  • Lead architecture reviews and provide guidance on best practices
  • Oversee risk management, data governance, and system integrity

Mentoring & Leadership

  • Provide technical leadership and mentorship across teams
  • Guide engineers, architects, and stakeholders in architecture best practices
  • Foster collaboration across cross-functional and geographically distributed teams


Required Skills & Experience

Education & Experience

  • 10+ years of experience in software or solution architecture
  • 5+ years leading architecture for large-scale modernization programs within insurance or financial services

Domain Expertise

  • Strong knowledge of life insurance processes (policy administration, underwriting, billing, claims, endorsements)
  • Understanding of regulatory requirements within Japan (e.g., financial services regulations)

Technical Expertise

  • Strong experience with cloud platforms such as AWS or Azure
  • Expertise in cloud-native architectures, microservices, and distributed systems
  • Hands-on experience with containerization (Docker) and orchestration (Kubernetes)
  • Deep understanding of API-led integration, API gateways, and event-driven architecture
  • Experience with data architecture, including SQL/NoSQL, data integration, and governance
  • Familiarity with modern DevOps practices and CI/CD pipelines
  • Proficiency in at least one programming language

Tools & Practices

  • Experience with architecture modeling tools and documentation frameworks
  • Familiarity with collaboration and design tools (e.g., diagramming and documentation platforms)

Language requirement

English (Business), Japanese (Conversation)

Working hours

9:00-18:00

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