Takehara M.
Japanese AI QA Lead | Japanese AI Operations Lead
Hi! I’m Mizuki, a bilingual Japanese-English AI quality professional with 7+ years of operations and project management experience, including 1.5+ years leading Japanese review workflows for model training and LLM QA projects. I support AI teams by improving the quality and consistency of Japanese outputs through annotation review, reviewer calibration, onboarding support, localization QA, and workflow coordination. My strength is not just reviewing outputs myself, but helping teams build stable, scalable quality processes. I’ve supported Japanese reviewer operations, maintained low disagreement rates, aligned teams on guidelines, and helped improve review consistency in fast-moving AI environments. 💡 What I can help with: ✅ Japanese LLM QA ✅ Annotation review and quality control ✅ Reviewer onboarding and calibration ✅ Instruction-following QA ✅ Localization QA and linguistic review ✅ Rubric-based evaluation ✅ Workflow support for AI quality operations I’m a strong fit for teams looking for a Japanese QA lead, review specialist, or reviewer operations partner on a part-time or project basis. - Led Japanese QA/reviewer operations for LLM training projects - Built reviewer onboarding and support workflows - Maintained disagreement/PDR below 10% - Supported annotation review under tight deadlines - Bridged Japanese quality expectations with English-speaking stakeholders Thank you so much!
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $3.8k
Billed in all: $134,756$135k
$1.9k in the last 6 months
Across 17 contracts
Earnings, last 30 days
Skill rankings: Top 11% in Writing
Ranked by MRR among everyone on Upwork with the skill.
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