LLM Engineer (Sales AI Agent)

**About the company:** Exawizards Minato-ku, Tokyo Exawizards is a technology company focused on addressing societal challenges through artificial intelligence. By developing AI platforms and products, we target both industry-specific problems and broader societal issues, such as those posed by an aging population. **Responsibilities:** Identify technical challenges and user value based on real user problems Define technical approaches, including: Model selection Prompt design strategy RAG and tool usage strategies Evaluation metrics and criteria Conduct local experiments to validate and compare technical approaches Implement features in production when necessary Design evaluation processes, guardrails, continuous improvement mechanisms, and logging systems to address the inherent uncertainty of LLMs Build and improve monitoring and operational frameworks to ensure quality Stay up to date with AI agent technologies and the latest research papers, and share insights with the team Requirements 2+ years of experience developing products as a software engineer Experience developing LLM applications (professional or personal) Strong interest in machine learning and LLMs Hands-on mindset when learning new technologies Business-level Japanese reading and writing ability (equivalent to JLPT N1) Nice to haves While not specifically required, tell us if you have any of the following. Experience with cloud infrastructure Experience developing or researching speech-related technologies such as speech recognition Compensation ¥6,480,000 ~ ¥10,080,000 annually. **Requirements:** 2+ years of experience developing products as a software engineer Experience developing LLM applications (professional or personal) Strong interest in machine learning and LLMs Hands-on mindset when learning new technologies Business-level Japanese reading and writing ability (equivalent to JLPT N1) **Nice to have:** While not specifically required, tell us if you have any of the following. Experience with cloud infrastructure Experience developing or researching speech-related technologies such as speech recognition **Compensation:** ¥6,480,000 ~ ¥10,080,000 annually.