About Us

The Trust and Safety (TnS) engineering team are responsible for protecting our users from harmful content and abusive behaviors. With the continuous efforts of our trust and safety engineering team, Tik Tok can provide the best user experience and bring joy to everyone in the world.

We are building an engineering team dedicated to Trust and Safety's Risk and Response business. In this role, you will collaborate with cross-functional teams (XFN) that include Product Managers, Machine Learning Engineers, Data Scientists, and QAs, to establish public trust through providing solutions to support risk and response business, especially escalation handling.

Key Responsibilities

• Build a highly scalable, efficient and robust trust, and safety platform and tools
• Understand product objectives to develop an easy-to-use platform that aligns with customers' needs
• Involved in Red Team business, assessing the effectiveness of existing defense systems by deploying adversarial samples, identifying weaknesses in the defense system, and driving specific optimization initiatives
• Utilize tools and mechanisms for vulnerability detection, discovery, analysis, reproduction, monitoring, and handling. Build standardized and well-designed toolchain and platform-based capabilities
• Improve system design and architecture to ensure high stability and performance of the services
• Work with Trust and Safety teams to protect Tik Tok globally

Qualifications

Minimum Qualifications

• Bachelor or above degree in computer science or a related technical discipline
• At least 5 years of industrial experience
• Proficiency in designing data structures, building algorithms, and at least one programming language: python/go/php/c++/java
• Had solid user-facing product experience in building, designing, and scaling software architecture
• Strong problem-solving skills and a proactive approach to identifying and addressing technical challenges
• Strong communication and teamwork skills

Preferred Qualifications

• Experience in trust and safety or risk control system design and implementation is preferred
• Possesses professional experience in the audio and video domain, such as proficiency in using tools like ffmpeg and ffprobe, as well as hands-on experience in vulnerability exploitation and defense techniques
• Familiar with main front-end technologies and has full-stack development experience in actual work

Compensation and Benefits

Compensation

The base salary range for this position in the selected city is $177,688 - $341,734 annually.

Compensation may vary outside of this range depending on a number of factors, including a candidate's qualifications, skills, competencies and experience, and location. Base pay is one part of the Total Package that is provided to compensate and recognize employees for their work, and this role may be eligible for additional discretionary bonuses/incentives, and restricted stock units.

Benefits

Benefits may vary depending on the nature of employment and the country work location. Employees have day one access to medical, dental, and vision insurance, a 401(k) savings plan with company match, paid parental leave, short-term and long-term disability coverage, life insurance, wellbeing benefits, among others. Employees also receive 10 paid holidays per year, 10 paid sick days per year and 17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure).

The Company reserves the right to modify or change these benefits programs at any time, with or without notice.

Additional Information

For Los Angeles County (unincorporated) Candidates

Qualified applicants with arrest or conviction records will be considered for employment in accordance with all federal, state, and local laws including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Our company believes that criminal history may have a direct, adverse and negative relationship on the following job duties, potentially resulting in the withdrawal of the conditional offer of employment:

1. Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues
2. Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems
3. Exercising sound judgment