Data Scientist - Trust & Safety

About the Team

TikTok stands as the premier platform for short-form video content, aiming to inspire creativity and bring joy worldwide. The Trust & Safety team ensures that the TikTok community remains secure and empowered, supporting content creation and enjoyment across all applications. Significant efforts in policy development, product innovation, and both human and automated moderation protect billions of users from harmful material and abusive conduct globally.

Role Overview

As a vital member of our data science unit, your work will enable Trust & Safety to make informed decisions driven by data. You will define project scopes, generate innovative strategies, uncover insights, diagnose issues, and narrate compelling data stories. Collaborating extensively with stakeholders in operations, policy, product, and engineering worldwide, you play a key role in safeguarding the TikTok community.

Key Responsibilities

• Analyse large and intricate datasets to facilitate project delivery and strategic initiatives.
• Establish and track essential metrics, conducting root cause analyses to determine influencing factors.
• Collaborate with the global Trust & Safety division by proactively offering insights, recommendations, and shaping overall business direction.
• Persuade and guide stakeholders through data-driven advice, mobilizing cross-functional teams with impactful data storytelling to foster business growth and innovation.
• Utilize data insights to develop heuristics that proactively detect and mitigate safety concerns.
• Create metrics and visual tools to assess platform risks and evaluate safety measure effectiveness.

Required Qualifications

• Over five years of practical experience in data science, analytics, or quantitative research.
• Proficiency in SQL, ETL processes, R or Python, Tableau, and Excel.
• Expertise in constructing data infrastructure and deploying reporting frameworks.
• Skilled in designing data visualizations to effectively communicate performance metrics.
• Ability to independently develop and apply machine learning and AI techniques addressing business challenges such as prediction, optimization, and segmentation. Experience in building evaluation mechanisms to reduce errors and biases, including analyzing limitations of training data or model context.
• Strong quantitative problem-solving skills with the ability to communicate complex analyses clearly to both technical and non-technical audiences in English.
• Academic background in a quantitative field like Statistics, Economics, Computer Science, Mathematics, or Engineering.

Preferred Experience

• Background in online content platforms, specifically in Trust & Safety or risk management environments.
• Experience coordinating with international teams across multiple time zones.
• Proven record of leveraging AI tools and emerging technologies to generate insights, streamline workflows, and create novel solutions.
• Passion for social technology products and eagerness to grow within a dynamic, fast-paced company.

Additional Information

This role interacts with various content including images, videos, and text covering everyday life subjects, as well as sensitive material such as bullying, hate speech, child safety, depictions of harm to self/others or animals. Exposure to harmful content is likely on a daily basis.

TikTok acknowledges the psychological and emotional demands of ensuring platform safety and thus informs candidates upfront about potential hazards. We are dedicated to employee well-being, offering comprehensive support programs designed to promote physical and mental health throughout their tenure. Well-being is viewed as a collaborative effort, developed in consultation with employees and across departments to ensure innovative and person-centred solutions.

About TikTok

TikTok is the foremost platform for mobile short-form video, with headquarters in Los Angeles and Singapore, and offices worldwide, including Dublin. Our mission is to inspire creativity and bring joy globally.

Why Work With Us

Creativity is central to everything we do. Our innovative product helps people express authentically, discover content, and connect internationally. We value curiosity, humility, resilience, and teamwork, embracing challenges as opportunities. By fostering an "Always Day 1" culture, we drive meaningful progress for users, our company, and ourselves. Join us and realize limitless possibilities.

Diversity & Inclusion

We are committed to a workplace where skills, experiences, and unique perspectives are celebrated. Reflecting the global community we serve, TikTok promotes diversity and inclusivity, creating an environment welcoming to all voices and backgrounds.