Login or register to see your saved jobs and receive scout emails
Login or register to find a job
Job ID : 1564438 Date Updated : November 5th, 2025

Data Scientist

Hiring Company Innovation and Digital Strategy Hub
Location Tokyo - 23 Wards
Job Type Permanent Full-time
Salary 7 million yen ~ 9 million yen

Work Style

Remote Work and WFH Casual Clothing Flex Time

Job Description

Our client a digital engineering hub focused on building advanced technology solutions that power large-scale digital transformation. Their teams specialize in cloud architecture, AI, data engineering, blockchain, and system security—creating scalable platforms that enhance business performance and operational efficiency.

Our client is seeking a talented Data Scientist to design and deploy AI-driven solutions that power data-informed decision-making. In this role, you’ll build scalable data pipelines, develop predictive models, and collaborate with cross-functional teams to integrate analytics and machine learning into business operations. You’ll also champion best practices in data quality, governance, and ethical AI.

Key Responsibilities

  • Design, develop, and maintain data pipelines for structured and unstructured data sources.

  • Work with engineering and business teams to identify and prioritize data use cases.

  • Build, validate, and deploy predictive and machine learning models at scale.

  • Conduct exploratory data analysis and translate findings into actionable insights.

  • Ensure data quality, integrity, and governance across systems and platforms.

  • Implement scalable solutions using cloud-based and big data technologies.

  • Monitor model performance and perform retraining to maintain accuracy.

  • Document data workflows, modeling approaches, and technical decisions.

  • Promote responsible AI practices and support data security and compliance initiatives.

General Requirements

Minimum Experience Level Over 3 years
Career Level Mid Career
Minimum English Level Business Level
Minimum Japanese Level Fluent
Minimum Education Level Bachelor's Degree
Visa Status Permission to work in Japan required

Required Skills

Qualifications:

  • At least 4 years of professional experience in AI system development, including the design, implementation, and deployment of AI-driven solutions addressing real-world business challenges

  • Proficiency in Python or Rust

  • Hands-on experience with Git for version control

  • Familiarity with Docker for containerization

  • Experience working with cloud platforms (preferably Microsoft Azure)

  • Practical experience with Large Language Models (LLMs) and Agentic AI systems

  • Experience deploying and managing MCP (Model Control Plane) servers or similar AI infrastructure

  • Ability to manage both development and maintenance tasks effectively

  • Strong problem-solving skills and adaptability in dynamic environments

  • Excellent communication and collaboration skills across cross-functional teams

  • Fluent Japanese (JLPT N1 or above) and business level English (TOEIC 800+)

 

Job Location

  • Tokyo - 23 Wards

Work Conditions

Job Type Permanent Full-time
Salary 7 million yen ~ 9 million yen
Industry Internet, Web Services

Job Category

Company Details

Company Type Small/Medium Company (300 employees or less) - International Company
Non-Japanese Ratio About half Japanese