Tech Lead (Backend) - Trust and Safety (Seattle)

Seattle, Washington, US Until 8/22/2026 5+ years exp H-1B sponsor history First posted June 19, 2026 Last posted June 19, 2026
Job description

Description

The Trust and Safety (TnS) engineering team is responsible for protecting our users from harmful content and abusive behaviors. With the continuous efforts of our trust and safety engineering team, TikTok can provide the best user experience and bring joy to everyone in the world. Our team is responsible for achieving goals by building content moderation process systems, rule engine, strategy systems, feature engine, human moderation platforms, risk insight systems and all kinds of supporting platforms across TnS organization. We are looking for a Tech Lead to join and build our backend software system.

Responsibilities
- Aligning with TnS Technical objectives, coordinating with TnS experts, machine learning engineers, and other cross-functional teams on delivering key results
- Designing and improving system design and architecture to ensure high stability and performance of the services.
- Taking owner role of business systems and keep improving them.
- Leading technical roadmap and decisions on projects among the product.
- Driving technical projects and medium-sized XFN team to archive business goal
- Help TikTok's product teams design safety and abuse resistance into new products from the beginning

Requirements

Minimum Qualifications:
- Bachelor's or higher degree in computer science or a related technical discipline.
- 2+ years of experience tech-leading a software engineer team.
- Strong experience with Data Structures and Algorithms.
- Strong communication and teamwork skills.
- 5+ years of large-scale backend system development experience.

Preferred Qualification:
- Experience in moderation or risk control system design and implementation is preferred.

About this role

Summary

Lead backend system development, design, and improve safety and risk control systems.

Job title

Tech Lead (Backend) - Trust and Safety (Seattle)

Experience level

5+ years

Minimum experience

5+ years exp

Industry

software

Location requirements

Seattle, remote not allowed

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

Yes

Skills & keywords

Required skills

data structuresalgorithmssystem designteam leadershipcommunication

Preferred skills

moderation systemrisk control

Specializations

backend systemssystem designrisk controlcontent moderation
Locations

Structured locations inferred from the posting.

Seattle, WA, USA

On-site City