T

TikTok

Short-form video platform with ads

Machine Learning Engineer - Business Governance

Computer Vision +1Confirmed live in the last 24 hours
Full-timeSan Jose, CA, USAIn-person

About the Job

Requirements

  • A bachelor's degree or above in Computer Science, Software Engineering, Artificial Intelligence, Mathematics, or a related field.
  • Strong understanding of machine learning and deep learning, with familiarity with Transformer architectures, large language models, and multimodal large language models.
  • Hands-on experience in Python, PyTorch, distributed training, and large-scale data processing, with solid algorithmic and engineering capabilities.
  • Ability to solve complex problems and collaborate effectively in cross-functional teams, with a track record of driving projects to high-quality execution.

Responsibilities

  • Develop content safety algorithms for TikTok, Lemon8, and short-form drama platforms, covering multimodal understanding and risk detection across video, text, image, and audio.
  • Leverage machine learning, deep learning, and large model technologies to improve content moderation pipelines, enhance operational efficiency, and ensure model robustness and production stability.
  • Own the training and application of large language models and multimodal large language models for content safety use cases, including post-training techniques such as supervised fine-tuning, reinforcement learning from human feedback, direct preference optimization, and safety alignment.
  • Drive the exploration and productionization of emerging capabilities such as AI agents, multimodal reasoning, and video understanding to build next-generation intelligent moderation systems.

Desired Qualifications

  • Hands-on experience with large language model post-training, multimodal understanding, AI agents, or Trust & Safety systems.
  • Publications in academic conferences such as NeurIPS, ICML, ICLR, CVPR, ECCV, ICCV, ACL, EMNLP, NAACL, Interspeech, or ICASSP.

About the Company

TikTok

Short-form video platform with ads

TikTok is a short-form mobile video platform that lets people create, discover, and share quick videos. Users upload vertical clips, edit them with built-in tools, and browse a personalized feed powered by an algorithm that highlights relevant content. Advertisers can use in-feed ads, branded hashtags, and the Business Center to plan and measure campaigns, making it easy for brands to reach a global audience. Its goal is to inspire creativity and bring joy by helping people express themselves and by connecting brands with a wide audience.

Company size
10,001+
Company stage
Grant
Total funding
$740K
Headquarters
Santa Monica, CA
Founded
2016

Recently Posted Jobs

Explore more opportunities at TikTok

See more jobs