Senior Data Architect

We are currently partnering with a fast-growing AI & Data consulting company in Japan that is actively expanding its AI & Data division and is now looking for a Senior Data Architect.

Japanese Language Business Level is a Must for this Position.

The company works directly with some of Japan’s leading financial institutions and enterprise groups, helping them modernize large-scale data environments, implement AI-driven solutions, and build organization-wide data strategies. Their projects cover everything from enterprise data platforms and AI governance to GenAI modernization initiatives and large-scale cloud transformation programs.

This position offers the opportunity to work on enterprise-grade data architecture projects involving large-scale financial data environments, AI enablement platforms, cloud-native data infrastructure, and next-generation analytics ecosystems.

The role is highly strategic and hands-on, involving architecture design, technical leadership, stakeholder management, and collaboration with AI/Data Science teams across multiple projects.

Key Responsibilities:

• Lead architecture design and technical strategy for enterprise data and AI platforms

• Design modern DWH / Data Lake architectures on AWS, Azure, or GCP

• Drive data governance, ETL design, and enterprise-scale data modeling initiatives

• Work closely with clients to analyze current environments and define future-state architecture

• Support implementation teams with technical guidance around Snowflake, Databricks, cloud platforms, and modern data ecosystems

• Collaborate with AI and Data Science teams on AI-ready infrastructure and governance design

• Promote architecture standardization and knowledge sharing across projects

• Support AI modernization initiatives involving GenAI and large-scale enterprise transformation

Examples of projects include:

• Enterprise-wide data platform strategy for major financial groups

• AI enablement and data governance initiatives

• Cloud-based analytics platform modernization

• AI-driven operational transformation projects

• Enterprise AI/LLM integration and modernization programs

Environment & Culture:

• Flat and highly collaborative engineering culture

• Strong focus on modern AI technologies and cloud-native architecture

• Direct communication with leadership and high level of ownership

• Active investment in learning, certifications, conferences, and technical growth

• AI-first culture with active adoption of generative AI tools internally

• Flexible hybrid work environment and strong long-term stability

Requirements:

• Experience designing enterprise data platforms such as DWH, Data Lake, or governance environments

• Experience leading technical projects and managing teams

• Strong knowledge of cloud platforms (AWS, Azure, or GCP)

• Experience with modern data technologies such as Snowflake, Databricks, or similar

• Business-level Japanese

• Eligibility to work in Japan

Preferred:

• AI governance / AI security knowledge

• Experience with machine learning or AI-related systems

• Experience building LLM/RAG-based applications

• English communication skills

• Consulting or enterprise client-facing experience

Benefits

Compensation & Benefits:

• Annual salary: ¥10M – ¥22M JPY

• Location: Nihonbashi, Chuo-ku, Tokyo

• Hybrid work style available (office + remote work combination)

• Full flex-time system (no core time)

• Standard working hours: 8 hours/day

Holidays & Time Off:

• Full two-day weekend system

• 123 annual holidays annually

• Paid leave granted after probation period

• Refresh leave / New Year holidays / parental leave / condolence leave

Benefits:

• Defined contribution pension plan

• Learning & self-development support

• Internal/external networking support budget

• Sports & wellness allowance

• Full annual health check support

• Full influenza vaccination support including dependents

• Full transportation reimbursement

• Relocation support (eligible employees)

• Childcare/babysitter support

• Business trip & training allowances

• Marriage / childbirth / condolence support system

Insurance:

• Health insurance

• Employee pension

• Employment insurance

• Workers’ compensation insurance

Additional Information:

• Non-smoking office environment

• Flexible internal role mobility and career growth opportunities

This is an excellent opportunity for someone who wants to work at the intersection of enterprise AI, large-scale data architecture, and real business transformation within Japan’s financial industry