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Welo Global
Senior Prompt Engineer
Remote · Japan · Contract · Senior level
About the role
Responsible for end-to-end technical migration workflow for transitioning templates to LLM autoraters. Use client tools to leverage prompt engineering techniques to maximize model performance.
What you’ll do
• Utilize Automatic Prompt Generation tools for baseline prompts. • Run and supervise Automated Prompt Optimization tool. • Manually draft, test, and refine prompts for complex templates. • Monitor shadowbot runs for disagreements tracking. • Run prompt versions against gold data to measure quality.
What you’ll bring
• Native Japanese and fluent English. • Based in Japan. • Bachelor’s or higher in related analytical field. • 4+ years prompt engineering experience. • Strong data analysis and SQL skills. • Ability to learn proprietary tools quickly.