株式会社LegalOn Technologiesの
TECH-MI-104- Data Scientist - GenAI, Global Productの求人

募集概要

We are a global legal AI company that combines advanced expertise in artificial intelligence with deep knowledge of law and contracts. Since our founding in 2017, we have been focused on building AI-powered legal services. We have raised a total of approximately $200 million across multiple funding rounds and are growing at an extraordinary pace. In 2022, we established a U.S. headquarters to accelerate our global expansion. Today, our flagship product, LegalOn: World Leading Legal AI, is available not only in Japan, but also in the U.S. and the U.K. We are also boldly exploring new business areas. In January 2025, we expanded our scope across the corporate domain with the launch of CorporateOn, our AI Counsel product. Our solutions incorporate cutting-edge technologies in natural language processing and machine learning, including large language models (LLMs), a structured Legal Document Graph for organizing legal information, and autonomous AI agents capable of planning and executing legal tasks. In addition, we have formed a strategic partnership with OpenAI, enabling us to deliver advanced user experiences and innovative legal solutions as a leader in the legal AI space. For more details about our company, products, and development organization: https://legalforce-recruit.notion.site/LegalOn-Technologies-Candidate-Handbook-17d82a58637480d2836ae138e5b5ee95 ■Job Description We are looking for a seasoned NLP Data Scientist with a specialty in legal data, geared towards product development and enhancement. Join our vibrant team at LegalOn, where you will play a pivotal role in transforming the landscape of legal technology. Your expertise in applying advanced generative AI and data science methodologies will be instrumental in evolving our product strategy and processes. You will work closely with executive leaders, Product Manager, ML engineer, and all other teams. As a key member of our team, you will be responsible for spearheading product design, implementation, and management, ensuring that our offerings remain at the cutting edge of technology. https://www.legalontech.com/ ■Key Responsibilities - Collaborate with legal teams, engineers, and product managers to integrate advanced NLP in legal document analysis and contract management. - Build legal data collection, processing, and integration pipelines for NLP model training and fine-tuning. - Develop NLP system evaluation methods, including manual annotation and authoritative legal content analysis. - Analyze legal text-related data often using advanced NLP tools. - Maintain data quality throughout the project lifecycle. - Analyze LLM model results to derive actionable insights for contract-related decisions. - Conduct experiments to assess LLM model performance and identify improvement areas. - Perform comprehensive evaluations of LLM models focusing on legal accuracy, fairness, compliance, and robustness. - Communicate effectively with internal stakeholders, presenting complex findings clearly and clearly. - Document work for audit and compliance and present findings to senior leadership.

必須スキル

Submission of an English résumé is required. ■Skills and Qualifications: Required Qualifications: - Bachelor’s degree in Statistics, Mathematics, Data Science, Engineering, Linguistic, Economics, a related quantitative field, or equivalent practical experience. - 3 years of experience with NLP product analysis applications (e.g, text extraction/classification, sentiment analysis, statistical analysis), and coding (e.g., Python, R, SQL). - Fluency in English and teamwork abilities. - No Japanese is required.

歓迎スキル

■Preferred Qualifications: - Passion for effective NLP methods. - Experience in NLP. - Exceptional proficiency in big data transformation, especially Python and SQL. - Experience with cloud computing platforms (e.g., AWS, Azure, Google Cloud) - Experience with prompt engineering for LLM model. - Solid understanding of probability and statistics. - Hands-on experience with product experimentation. - Understanding of decision science, with the ability to drive optimal choices based on available information while eliminating bias. - Excellent communication and interpersonal skills. - Ability to work independently and in a team environment. - More than fluent level of Japanese (JPLT N1 above) is a plus.

求める人物像

応募概要

給与: 10.3 to 19 million yen per year
勤務地: 19F, Shibuya Sakura Stage SHIBUYA TOWER, 1-1 Sakuragaoka-cho, Shibuya-ku, Tokyo 150-6219, Japan This is not a fully remote position for candidates residing outside Japan. You will be required to work in Japan, and visa sponsorship is available.
雇用形態: Full-time
勤務体系: - Working hours: Full flex system without core hours - Overtime work beyond designated working hours: Yes - Break time: 1 hour
試用期間: 3 months
福利厚生: Work Environment & Tools - Choice of laptop: Mac or Windows (Mac with US keyboard available) - Access to generative AI tools: ChatGPT Enterprise, Notion AI, Gemini for Google Workspace, Slack AI - Access to developer tools: Claude Code, Cursor Business, GitHub Copilot Business, JetBrains, and more - Side jobs permitted with prior approval Professional Development - Self-development support available for books, online courses, certifications, and more - Language learning support Time Off - Weekends and national holidays off - Paid leave and year-end/New Year holidays - Special leave: sick leave, work-life balance leave, birthday leave - Maternity leave, childcare leave, and nursing care leave Health & Welfare - Social insurance coverage: Health insurance, employee pension insurance, unemployment insurance, and worker’s compensation insurance - Influenza vaccination support - No indoor smoking (a designated smoking room is available in the building) - Employee stock ownership program