Lead Generative AI Analyst (Chinese)

Welo Data•Oakland, CA
•Onsite

About The Position

We are looking for a highly detail-oriented Lead Generative AI Analyst to manage the day-to-day execution of Chinese multimedia and language data labeling. In this role, you will lead the review of video, images, and metadata, serving as the primary bridge between annotators, quality stakeholders, and internal project teams.

Requirements

  • Native-level proficiency in Chinese
  • 5+ years in data annotation, computer vision labeling, or content QA.
  • 2+ years of experience leading teams or acting as a lead reviewer.
  • Strong English skills, specifically the ability to write clear guidelines and provide actionable feedback.
  • Proven track record of consistent decision-making regarding complex edge cases.
  • Comfortable reviewing multimedia content for extended periods while maintaining high attention to detail.

Nice To Haves

  • Familiarity with LLMs, RLHF, or multimodal AI workflows.
  • Experience evaluating AI training datasets or working within content moderation environments.
  • Experience with taxonomy creation or developing evaluation rubrics.
  • Knowledge of Python or scripting.
  • Proficiency in additional languages like Korean, Japanese, or French.

Responsibilities

  • Lead a team of multimodal annotators and reviewers to meet delivery schedules and quality targets.
  • Monitor team metrics such as throughput, error rates, and backlogs while driving corrective actions.
  • Reduce reviewer-to-reviewer variance through structured reviews, audits, and calibration efforts.
  • Create and improve technical specifications, document edge cases, and update instructions as workflows evolve.
  • Act as the primary point of contact for workflow questions and coordinate with internal and third-party partners.
  • Support the onboarding of new annotators through assessments and ongoing performance coaching.
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