Skillhouse Internal Career Opportunity

Lead Data Scientist

Position Title:

Lead Data Scientist

Employment Type:

Permanent

Working Hours:

Japanese Level - High Intermediate (JLPT Level 2),English Level - Advanced (TOEIC 860)

Salary

Description

 

 


A World-reknown reinsurer is seeking a Lead Data Scientist to design and deliver advanced data science and AI solutions within the life and health insurance domain.
The successful candidate may act as a senior individual hands on contributor while working closely with multiple departments and stakeholders across the business.

Responsibilities:
- Design, develop, and validate predictive and machine learning models (mortality, morbidity, persistency, fraud, risk, etc.)
- Prepare, analyze, and interpret large and complex datasets to generate business insights
- Develop and apply AI and GenAI solutions (LLMs, RAG, agent-based workflows, multimodal AI)
- Translate business problems into practical data science solutions
- Collaborate with internal teams and client-facing stakeholders across departments
- Present analytical findings clearly to both technical and non-technical audiences
- Contribute to research on new data sources and emerging AI technologies
- Support and mentor junior data scientists when needed (no mandatory team management)

Required Skills:
- 10+ years of experience related to data science, analytics, or statistical modeling
- Strong hands-on experience with Python and/or R
- Experience with machine learning and statistical techniques (e.g. GLM, ML, deep learning, time series, clustering)
- Experience working with GenAI / LLM-based solutions (prompt engineering, RAG, agent workflows, LLM evaluation)
- Familiarity with tools such as LangChain, HuggingFace, OpenAI or Bedrock APIs
- Experience deploying models and working with MLOps, versioning, and governance
- Background in insurance, reinsurance, finance, or risk-related industries preferred
- Strong ability to explain technical concepts in business terms
- Comfortable working independently and across multiple teams

Why Should You Apply:
- Opportunity to work at a global reinsurance leader focused on life and health solutions
- Exposure to advanced analytics and cutting-edge AI initiatives
- International, collaborative working environment
- Competitive compensation and visa sponsorship available


Company Details
A leading global reinsurance company is a purpose-driven organization specializing in life and health solutions, serving major Fortune 500 insurance clients across the APAC region and worldwide.
The company is expanding its Japan office, which is becoming a strategic hub responsible for the APAC region. It drives large-scale digital transformation initiatives through advanced analytics, data science, and innovative technologies.
The IT organization operates in a highly international environment, with English as the primary working language. Japanese skills are a plus for business collaboration, but are not required.
This is a unique opportunity for IT professionals to work on enterprise-level, data-driven platforms, collaborate with global teams, and contribute to technology solutions that make a real-world impact.

Working hours:  9:00-18:00, Monday-Friday
Work Style:  In Office mainly
Holidays: Saturday, Sunday, 20 days annual Leave,  refresh holiday
Services/Benefits: Pension, insurance, health, specific bonus percentages, 
Interview Process: 3
 


Apply today

If you are interested in this position at Skillhouse, please provide your contact details and attach your CV. We’ll get back to you as soon as we can.

Tomoecho Annex No.2 Building

3-8-27 Toranomon Minato-ku, Tokyo

03-5408-5070

internalcareers@skillhouse.co.jp

Internal Vacancy Form