CareerPlanSign in

Multi-modal Machine Learning Engineer (all levels) - Trust and Safety

San Jose, United States of America💼 Full-time🗓 2026-09-28

Core

Build and deploy machine learning models and systems to moderate negative content and protect users on TikTok's global platform.

Role type

Multi-modal machine learning engineer (Trust and Safety)

Builds

Content understanding models, classifiers, and serving pipelines for content moderation

Domain

Social media platform safety, multimodal AI, content moderation

Deliverable

production ML models

Required skills

machine learning (CV/NLP/Multimodal/Graph/LLM), statistical modeling, applied mathematics, Python programming, software engineering

Preferred skills

LLM/VLM expertise, representation learning, online ML systems (ranking/retrieval), publications in AI/ML conferences

Technologies

LLM, VLM, graph models, multimodal classifiers

Responsibilities

Lead and build content understanding models for content moderation; Work on state-of-the-art content understanding techniques including unimodal/multimodal classifiers, graph models, and LLMs; Collaborate with product teams to define business objectives and improve trust and safety strategy; Collaborate with engineering teams to deploy machine learning models and implement serving pipelines at scale; Collaborate with data scientist teams to understand challenges and propose data-driven strategies.

Seniority

All levels (entry to senior)

Sourced via tiktok · Listed on CareerPlan, which tracks 833,000+ jobs from 20+ sources.