株式会社LegalOn Technologiesの
TECH-MI-102- AI Engineer - Agent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 highly skilled and experienced AI Engineer to join our team. You will be at the forefront of designing, developing, and deploying AI agents that leverage cutting-edge AI techniques to streamline corporate business processes, with a strong focus on the legal domain. This is a unique opportunity to apply your expertise in AI and software engineering to solve complex, real-world challenges in a high-impact setting. ■Key Responsibilities What You’ll Do: - Design and implement robust AI agents. - Integrate AI solutions with existing SaaS platforms and legal workflow systems. - Evaluate third-party models, frameworks, and services to determine their suitability and integration potential. - Collaborate with cross-functional teams to gather requirements, understand user needs, and deliver high-impact agent solutions. - Build tools and infrastructure to monitor, test, and evaluate AI agent performance. - Conduct code reviews and maintain best practices in documentation and version control. - Diagnose and resolve issues in AI systems to ensure accuracy, reliability, and scalability. What You’ll Get: Join our collaborative, high-performance culture driven by curiosity and continuous improvement. You'll work alongside passionate professionals in an environment that fosters innovation and creative problem-solving. Together, we tackle complex challenges in legal automation, leveraging AI to transform the industry.

必須スキル

Submission of an English résumé is required. ■Skills and Qualifications - Bachelor’s or Master’s degree in Computer Science, Artificial Intelligence, Machine Learning, or a related field. - 3+ years of experience in developing agent products or similar AI applications. - Strong proficiency in one programming language (e.g., Python). - Strong understanding of reinforcement learning and modern AI methodologies. - Experience with AI frameworks and agent development tools (e.g., LangGraph, CrewAI, MCP). - Solid problem-solving skills and meticulous attention to detail. - Effective communication and collaboration skills in a global environment. - Japanese is not a must

歓迎スキル

■Preferred Qualifications - Ph.D. in a relevant technical field. - Experience with cloud platforms such as AWS, Google Cloud, or Azure. - Knowledge of NLP techniques, RAG systems, and prompt engineering. - Contributions to open-source projects or publications in AI research. - Experience deploying and maintaining AI models in production environments. - Strong communicate skills, with the ability to communicate effectively across diverse cultures in both English and Japanese.

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