左丽 张

Independently built a Xianyu marketplace content operations project from scratch, including feasibility modeling, team setup, and delivery management. Redesigned publishing workflows and implemented an LLM-assisted content production process, delivering 50K high-quality posts.

Managed delivery and operations for client projects supporting AI data initiatives and social media content operations for major Chinese internet platforms. Led multiple client engagements including Baidu and Weibo data annotation and content strategy work.

Led a pilot evaluation for legal-domain AI-assisted annotation with manual legal review, achieving nearly 90% accuracy and winning a seven-figure RMB model-training data contract. Defined legal annotation guidelines across 18 categories and built a dual-layer quality control workflow, delivering 180K records across 60 batches approved on first submission.

Took over a late-stage merchant AI customer service data annotation project at risk of contract breach, selecting key team members and delivering 9,000 records in six weeks. Integrated LLM-assisted preprocessing and consolidated annotation standards across 11 industries into a single knowledge base.

Led a 10-member operations team managing approximately 150 Weibo short-video accounts across 30+ verticals, growing nearly 10 accounts to over 1M followers each. Developed training guides, new-hire SOPs, and a ramp-up assessment framework that became a reusable company-wide onboarding system, earning an Outstanding Mentor Award.

Built repeatable content planning and daily performance review processes across 100+ Weibo accounts, translating trends into coordinated content plans. Created KPI planning and tracking toward monetization goals, achieving 92% account monetization eligibility within six months (vs. 85% target) and supporting brand creative development with internal commercial teams.

Earned a B.A. in Japanese Language and Literature from Tianjin University of Technology and Education (2012–2016).