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TikTok

Short-form video platform with ads

Research Scientist New Grad - Multiple Teams

AI ResearchConfirmed live in the last 24 hours
Full-timeSan Jose, CA, USAIn-person

About the Job

Requirements

  • Individuals must be completing or have recently completed a PhD in Software Development, Computer Science, Computer Engineering, or a related technical discipline.
  • Candidates must have strong competence in algorithms and programming.
  • Candidates must have strong coding skills in Python and C++.
  • Candidates must have excellent collaboration and interpersonal skills.

Responsibilities

  • Conduct cutting-edge research and development in computer vision and machine learning, especially multimodal understanding, vision and language, and large-scale training.
  • Explore new products centered on artificial intelligence technology.
  • Participate in continual training and post-training, including supervised fine-tuning and reinforcement learning, of Seed multimodal models and large language models.
  • Participate in unified modeling for image and video generation, improve model performance, and contribute hands-on to model iteration and large-scale training.
  • Apply agent technology and architecture, optimize tool-calling and long-horizon task capabilities of agentic foundation models, and conduct research on agentic reinforcement learning.
  • State availability and graduation date clearly in the resume and be able to commit to an onboarding date by the end of 2027.

Desired Qualifications

  • Experience in multimodal understanding, such as video highlight detection and slicing or audio/music understanding.
  • Experience in vision and language, such as image/video captioning, retrieval, and visual question answering.
  • Experience with language models and applying them to downstream tasks, especially intelligent editing.
  • Experience in large-scale training and reinforcement learning from human feedback.
  • Publications in venues such as CVPR, ECCV, ICCV, NeurIPS, ICLR, SIGGRAPH, or SIGGRAPH Asia.

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

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