Senior ML Engineer — Moderation & Safe AI Systems

TikTok USDS Joint Venture; San Jose (CA); On-site; USD 187,000 - 438,000; Full time

Job summary

TikTok USDS Joint Venture seeks a skilled ML Researcher to design and deploy state-of-the-art models in NLP and CV for safety and moderation on USDS secure infrastructure.

You will lead sub-modules, collaborate with research scientists and engineers, and iterate models using protected US data under strict security frameworks. The role demands strong Python coding, deep learning expertise, and good teamwork in a highly secure setting.

Qualifications

• Minimum of 3 years experience in one or more of the areas: machine learning, deep learning, computer vision, content understanding.
• BS/MS degree in Computer Science, Electrical Engineering, Operation Research, Applied Mathematics or similar quantitative fields.
• Skilled in deep learning model training (CV/NLP/NN), serving, and optimization.
• Proficient in deep learning frameworks such as PyTorch and TensorFlow.
• Hands-on experience in one or more of the following areas: machine learning (CV/NLP/Multimodal), active learning, Large Language Models, Recommendation Systems, and related areas.
• Strong coding skills, especially in Python and similar languages.
• Good communication and teamwork skills, passionate about learning new techniques and taking on challenging problems.

Responsibilities

• Responsible for a whole sub-module in moderation system or a research direction including but not limited to LLM and application in Safety, moderation system iteration.
• Work with team members to design next-generation moderation systems with new technologies, tailored for USDS compliance and safety standards.
• Work on Neural Network models and LLM-based models to solve TikTok online safety problems, leveraging US protected data in a secure and compliant training environment.
• Work with engineering teams to implement model pipelines and deploy the service at scale on USDS secure infrastructure.
• Collaborate with the product team to define objectives and improve trust and safety strategy while adhering to US data privacy regulations.
• Collaborate with data analysis to understand and find data patterns within protected data boundaries.

Skills

Machine learning

Deep learning

Computer vision

NLP

Content understanding

Python

Communication

Education

BS/MS in CS/EE/Math

Tools

PyTorch

TensorFlow

Job description

TikTok USDS Joint Venture seeks a skilled ML Researcher to design and deploy state-of-the-art models in NLP and CV for safety and moderation on USDS secure infrastructure.

You will lead sub-modules, collaborate with research scientists and engineers, and iterate models using protected US data under strict security frameworks. The role demands strong Python coding, deep learning expertise, and good teamwork in a highly secure setting.