Data Engineer(Assistant Manager) / Data & Analytics Division - NNL

Tokyo, JapanFull-timePosted Oct 16, 2026

Job description

Data Engineer(Assistant Manager)/ Data & Analytics Division About NN Life Japan NN Life Japan is not just a place to work—it is a place to grow, thrive, and make a real impact. As part of the global NN Group, we offer the stability of a leading international financial services company combined with the agility and innovation of a fast-moving local business.

Our business in Japan is thriving, driven by a unique business model that focuses on small and medium-sized enterprises (SMEs), a segment often underserved by traditional insurers. What sets us apart is our people-first culture. At NN Life Japan, you will find a supportive, inclusive, and empowering environment where your voice is heard and your contributions are valued.

Whether you are collaborating with colleagues across borders or working on innovative data initiatives, you will be part of a team that is shaping the future of insurance in Japan. Join us and experience a workplace where trust, transparency, and teamwork are more than just words—they are how we work every day.

Position Summary

We are seeking a bilingual Data Engineer (more than 5 experience) fluent in Japanese and English to join our Data & Analytics Division (equivalent to a Chief Data Officer Office). The successful candidate will play a key role in facilitating the migration of data from our legacy AS400 System to the New Policy Administration System and Master Data Management platform on Azure cloud.

Strong organizational skills and self-motivation are essential for this position. This role is hands-on and cross-functional, requiring effective communication, collaboration, a passion for developing ETL pipelines in data warehouses, commitment to improving data quality and consistency, and knowledge to understand data models.

Key Responsibilities

Be able to analyze and understand existing data pipelines built on Informatica ETL Be able to understand the source/target system data model and determine the data mapping strategy. Be able to design, architect efficient data pipelines (extract , transform and load) for enterprise data platform on MS Azure and Databricks Be able to guide and support ETL developers with best practice, efficient ETL framework for data migration.

Particularly automated validation, detailed audit trail of ETL jobs with easy-to-understand summary, reconciliation scripts etc. Knowledge of understanding Enterprise data model, domain driven design, Data Vault and Star Dimensional model will be a big plus. Collaborate with stakeholders on business side to understand more about data and business logic.

Play a key role in migrating data from legacy system to the New Policy Admin System (SaaS). Good / Organized knowledge management (documentation) of one’s own work is an important skill. Required Qualifications More than 5 years of experience in developing data pipelines. Experience with large-scale data migration from legacy systems to cloud-based platforms will be of prime importance.

Understanding data models and data modeling techniques (Enterprise data model, Data Vault, Star Schema). Proficiency in SQL and Python for data extraction, cleansing, profiling, transformation and ingestion Experience working in regulated industries (insurance or financial services) is highly desirable. Effective communication skills (read and write) in both Japanese and English.

Excellent team player with a collaborative mindset. Empathy and Compassionate mindset for others in the team is important. Proactive and paying to attention to details Preferred Qualifications Familiarity with CI/CD pipelines and infrastructure-as-code using Terraform. Hands-on experience with ETL/ELT tools and cloud platforms, especially Azure and Databricks.

Experience in the insurance or financial services industry. Knowledge of Japanese data privacy and security regulations. Proficiency in Microsoft Office 365 for collaboration and documentation. Why Join NN Life Japan? Be part of a high-performing, people-focused organization that values innovation and integrity. Work in a hybrid environment that supports flexibility, autonomy, and work-life balance.

Collaborate with global teams and contribute to impactful, data-driven projects in an international company. Grow your career in a company that invests in your development and well-being. Ready to shape the future of data at NN Life Japan? Apply now and join us on our journey to shape a truly data-driven organization.

【Treatment】 ・ Reporting To:Line Manager ・ Grade:S15E ・ Open Position Number:1 ・ Employment Status:Permanent Employee ・ Expectation Start date:ASAP ・ Office Location:NN Life Tokyo Head Office (Hybrid Work Environment)

Description copied from Datachain's careers page. Read the full posting before you apply.

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