Senior Search Evaluation Specialist - USDS

Responsibilities

About the team Our Tik Tok Search Operation team plays a key role in improving Tik Tok users’ search experience by investigating user feedback, evaluating search result, analyzing data, etc.

• Collaborate with PM and RD teams based in the US and Mandarin‑speaking countries to refine and implement search display strategies, driving improvements and optimization of key product metrics such as user engagement and satisfaction rates.
• Conduct investigations to lay the groundwork for informed strategy formulation and product iterations of innovative display features in search.
• Conduct rigorous evaluations to assess the impact and effectiveness of newly implemented features, ensuring they meet strategic goals and user expectations.
• Independently manage evaluation and investigation projects, and be responsible for the overall process from planning to high‑quality analytical outputs.
• Collaborate closely with Product Managers and technical teams to generate evaluation standards and project SOPs in both English and Chinese. Provide guidance to ensure all project milestones are met and align with the operational standards.
• Act as a liaison between technical teams and operational units, participating in training and standardization activities to ensure consistency and quality in execution across the operations team.
• Design and implement proactive operational plans in response to special scenarios or major events, coordinating internal and external resources to ensure efficient implementation and achievement of business goals.
• Manage and adapt to ad‑hoc projects and urgent business requests efficiently, demonstrating flexibility and proactive problem‑solving.
• Leverage understanding of Large Language Models (LLMs) to enhance search relevance, ranking, and user experience.
• Collaborate with cross‑functional teams to operationalize LLM‑driven features and monitor their impact on search performance.

• Bachelor's degree or above.
• Min 3+ years experience in the following: search, content evaluation, or content moderation.
• In-depth understanding of search engines on Tik Tok or similar social media platforms.
• High levels of written and oral fluency in both Mandarin and English are required. As there will be regular communications with Product and Engineering teams in the US and Mandarin‑speaking countries to discuss domain‑specific details, in search ranking, data labeling and algorithmic evaluation, you will need to communicate in both English and Mandarin with ease and accuracy.
• Manage cross‑functional operational efforts, working with data delivery, engineering, and product teams to ensure the smooth rollout of projects.

• Excellent data analysis and communication skills.
• Project management experience will be preferred.
• Flexible, adaptable, proactive and self‑motivated, and demonstrated ability to perform well in a rapidly changing environment.

As a condition of employment, all successful candidates must be able to establish authorization to work in the United States. For this position, the Company does not provide sponsorship or any immigration‑related benefits.

Tik Tok is the leading destination for short‑form mobile video. Our mission is to inspire creativity and bring joy. U.S. Data Security (“USDS”) is a subsidiary of Tik Tok in the U.S. This new, security‑first division was created to bring heightened focus and governance to our data protection policies and content assurance protocols to keep U.S. users safe. Our focus is on providing oversight and protection of the Tik Tok platform and U.S. user data, so millions of Americans can continue turning to Tik Tok to learn something new, earn a living, express themselves creatively, or be entertained.

The teams within USDS that deliver on this commitment daily span across Trust & Safety, Security & Privacy, Engineering, User & Product Ops, Corporate Functions and more.

On‑site presence across teams allows the company to operate with greater speed, alignment, and agility — especially in areas like real-time decision‑making, team development, and integrated execution. As such, the company is shifting from a hybrid…