Data Scientist / Senior Data Scientist | Fast-Growing AI & Cloud Data Transformation Company

Job Description 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 both Data Scientists and Senior Data Scientists. Please note that prior financial industry experience is NOT required. For Foreginer Candidates, a valid Japanese work visa and at least JLPT N2-level Japanese (or equivalent business Japanese communication skills) are required to apply. Position Levels 1–3 years of experience: ¥5M – ¥10M JPY 3+ years of experience: ¥10M – ¥25M JPY The company works directly with major enterprise clients in Japan on large-scale AI, machine learning, and advanced analytics initiatives. Their projects cover everything from enterprise AI enablement and cloud-based analytics environments to MLOps implementation, Generative AI initiatives, and organization-wide data utilization strategies. These positions offer the opportunity to work on real-world AI implementation projects involving machine learning, structured data analytics, cloud-native data platforms, and next-generation enterprise AI ecosystems. The environment is highly collaborative and technology-driven, combining hands-on development, advanced analytics, and business-oriented AI implementation projects. Interview Process: • First online interview • Final in-person interview at the Tokyo office Key Responsibilities: • Support enterprise-level AI and machine learning projects • Design, develop, and evaluate machine learning models for structured/table data • Perform data processing, feature engineering, and model evaluation using Python • Support production-ready AI/ML implementation with MLOps considerations • Collaborate with stakeholders to analyze business challenges and define technical solutions • Participate in AI implementation, PoC, and advanced analytics initiatives • Contribute to reusable AI/analytics frameworks and internal solution development • Support enterprise AI modernization and Generative AI projects Examples of projects include: • Enterprise AI and machine learning implementation initiatives • AutoML evaluation and deployment support • Generative AI operational efficiency projects • Data preprocessing and analytics support for AI model development • AI/ML model deployment and evaluation workflow design • Enterprise-wide data utilization and AI transformation projects Environment & Culture: • Flat and collaborative engineering culture • Strong focus on AI, machine learning, and cloud-native technologies • AI-first environment with active use of Generative AI internally • Flexible hybrid work environment • Direct communication with leadership and high ownership culture • Active investment in learning, certifications, conferences, and technical growth • Multicultural environment with English used in some internal meetings Requirements Requirements: • Experience using machine learning in real business environments • Experience analyzing structured/table data • Experience with Python for data analysis and modeling • Business-level Japanese (JLPT N2+ or equivalent) • Eligibility to work in Japan Preferred: • Experience with Snowflake, Databricks, BigQuery, or modern cloud data platforms • Experience with MLOps or production AI systems • Experience creating business value through data analysis • Experience with AI or Generative AI-related initiatives • English communication skills • Enterprise or consulting project experience Tech Environment: • Python • Databricks • Snowflake • BigQuery • MLOps • Generative AI • Cloud-based data platforms • Machine Learning • AI / Data Analytics Benefits Benefits Compensation & Benefits: • Annual salary: ¥6M – ¥25M 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