PhD ML Scientist, Trust & Safety

TikTok; San Jose (CA); On-site; USD 162,000 - 317,000; Full time

Benefits offered by this job

Medical insurance

401(k) with match

Parental leave

Wellbeing benefits

Job summary

TikTok is seeking a Machine Learning Scientist Graduate for 2027 start in San Jose, within the Trust and Safety group. The role focuses on cutting-edge content understanding, model training, and deployment at scale.

Successful candidates will contribute to safety initiatives while pursuing bold ideas and growth opportunities. Ideal candidates hold a PhD in CS or related fields, have hands-on ML/LLM experience, and possess strong coding skills.

Qualifications

• PhD in computer science or related field completed or near completion.
• Experience with ML, LLMs, recommendation systems, or related areas.
• Strong coding skills and ability to work in a team.

Responsibilities

• Define objectives with product teams to guide trust and safety strategy.
• Deploy ML models, design online workflows, and scale serving pipelines.
• Collaborate with data scientists to address key challenges with data-driven approaches.
• Work on unimodal and multimodal content classifiers and advanced learning models.

Skills

Machine learning

Large Language Models

NLP

Computer vision

Coding skills

Education

PhD in CS

Job description

TikTok is seeking a Machine Learning Scientist Graduate for 2027 start in San Jose, within the Trust and Safety group. The role focuses on cutting-edge content understanding, model training, and deployment at scale.

Successful candidates will contribute to safety initiatives while pursuing bold ideas and growth opportunities. Ideal candidates hold a PhD in CS or related fields, have hands-on ML/LLM experience, and possess strong coding skills.