Job Title: AI Engineer
Grade: M4 Job Requisition #:
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Reports to: AI Section Manager Team Size: 3
Direct reports: 0
Key Stakeholders:
- Internal: CCBJI IT & Business leadership, Application, Cloud & Infrastructure, Security,
Operations, NeoArc delivery teams
- External: AI/ML platform providers, cloud vendors, system integrators
Position Overview:
The AI Engineer is a hands-on technical role within the Automation & AI Department,
reporting to the AI Section Manager. The role focuses on re-engineering and modernizing
legacy enterprise applications into modular, scalable, and cloud-ready architectures using AI-
assisted development, automation, and modern software engineering practices.
Responsibilities
Main responsibilities include:
• Analyze legacy enterprise applications and identify modernization opportunities
• Design and implement modular architectures (microservices, APIs, event-driven patterns)
• Use AI and automation tools for code analysis, refactoring, test generation, and migration
• Develop and maintain modern applications using latest cloud and software technologies
• Create proofs-of-concept and support pilot implementations
• Collaborate with architects, platform teams, and business stakeholders
• Document designs, patterns, and implementation standards
Mandatory Requirements:
Education:
✓ Bachelor’s degree in computer science, Engineering, or a related field.
Experience/Skill:
✓ 4–8 years of hands-on experience in software development or system engineering
✓ Experience with modern programming languages and frameworks
✓ Understanding of legacy system modernization concepts
✓ Exposure to cloud platforms, containers, and CI/CD pipelines
✓ Interest or experience in AI-assisted development or automation tools
Competencies (Soft Skills):
✓ Learning: Actively learns new technologies, tools, and architectural patterns.
✓ Problem Solving: Approaches complex legacy challenges analytically and pragmatically.
✓ Collaboration: Works effectively within cross-functional teams.
Required Language Capabilities:
Japanese – native level / fluent / business / conversational / none
English – native level / fluent / business / conversational / none
Other special remarks to note:
Hybrid work style with 2-3 days a week in the office.
Interview Process:
Document Screening + Up to 3 times Interview
What are great things about team and role:
This role provides hands-on exposure to real enterprise modernization initiatives using AI
and modern technologies. You will work closely with senior architects and AI specialists while
directly contributing to the transformation of mission-critical systems.