Data Scientist

The data scientist will operate at the intersection of data science, product insight, and applied research: analyzing early user signals, uncovering system limitations, and driving improvements that shape assistant quality and user value. You’ll also help inform the product roadmap through insights derived from user behavior and the broader ecosystem.Position DetailsResponsibilities- Analyze assistant interactions and internal evaluations to identify improvement opportunities.- Generate data-driven insights to guide product development and feature prioritization.- Conduct research to improve agent architecture and user intent understanding to enhance response quality.- Design and execute experiments, identifying the right metrics to evaluate impact.- Collaborate with engineers and other team members to implement and produce improvements.- Leverage diverse datasets across the ecosystem to improve assistant capabilities and deliver customer value.- Clearly communicate findings and contribute to research and product decisions.Mandatory Qualifications:- Over 3 years of experience in data science, machine learning, or a related quantitative field.- Strong Python and ML skills for data processing, analysis, and prototyping.- Proficiency in SQL and working with large-scale structured data.- Solid foundation in statistics, experimental design, and predictive modeling.- Possesses strong problem identification and formulation skills, with a track record of proactively identifying potential issues and developing effective solutions.- Demonstrated ability to thoroughly research and evaluate potential solutions and identify the optimal approach for a given problem.- Excellent written and verbal communication skills, with the ability to clearly articulate complex technical concepts to both technical and non-technical audiences.- Business level EnglishDesired Qualifications:- Experience with conversational AI, NLP, or Agentic applications.- Familiarity with LLM evaluation methods and user interaction data.- Experience working in product-oriented, cross-functional environments.- Basic Japanese language skills.