Project Lion - Senior Prompt Engineer - Japan (Remote, Part-Time)
Remote · Tokyo, Tokyo, Japan or JP
Tokyo, Tokyo, Japan or JPRemotePart TimeSenior LevelBachelors DegreeLarge
Type
Part Time
Level
Senior Level
Education
Bachelors Degree
Company size
Large
Job Summary
The role of Senior Prompt Engineer involves managing the technical migration workflow for templates to LLM autoraters, utilizing Automatic Prompt Generation tools, and supervising Automated Prompt Optimization processes. Responsibilities include drafting, testing, and refining prompts for complex template structures, monitoring model performance, and documenting launch readiness. Candidates must possess strong prompt engineering expertise, data analysis skills, and effective communication abilities.
Required Qualifications
- Native fluency in Japanese and fluent in English
- At least 4 years' experience as Prompt Engineer
- Proven experience tuning Large Language Models (LLMs)
- Strong proficiency in identifying error patterns and analyzing model performance
- Ability to quickly learn and master proprietary tools
- Excellent verbal and written communication skills
Desired Qualifications
- Familiarity with enterprise-grade LLM interfaces like the Goose API
- Experience in AI model evaluation, data science, computational linguistics, or software engineering
- Hands-on experience with Automated Prompt Optimization (APO) systems or tuning workflows
- Linguistic expertise, including an understanding of semantics and logic
Additional Requirements
- Must be based in Japan
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