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TikTok

Short-form video platform with ads

Research Scientist Intern - Neural Graphics and World Models

AI ResearchConfirmed live in the last 24 hours
Internship · Summer 2027San Jose, CA, USA$60 /hrIn-person

About the Job

Requirements

  • Currently pursuing a PhD degree in a relevant technical field.
  • Able to commit to working for 12 weeks during the Summer of 2027.
  • Have research experience through a laboratory, thesis, publication, internship, open-source project, or substantial independent project.
  • Have a strong, up-to-date foundation in machine learning, generative modeling, and experimental methodology, with hands-on experience building, training, fine-tuning, or evaluating models using frameworks such as PyTorch or JAX.
  • Be familiar with modern generative architectures and training methods such as variational autoencoders, latent tokenizers, diffusion or flow-matching models, diffusion transformers, autoregressive models, multimodal transformers, long-context modeling, pre-training, or post-training.
  • Have engineering fluency with model development workflows and be able to reason about model architecture, training dynamics, data quality, and evaluation results.
  • Have deep experience in at least one AI-for-graphics area: 3D modeling, asset generation, or 3D representations; animation or motion generation; simulation or physics-aware learning; rendering or neural rendering; world models or video prediction; or graphics and game-engine workflows.
  • Establish authorization to work in the United States; the company does not provide sponsorship or immigration-related benefits.

Responsibilities

  • Study relevant research, reproduce strong baselines, and identify practical extensions.
  • Develop and evaluate models, algorithms, data methods, or evaluation methods in a scoped research area.
  • Build components of training, inference, data, or evaluation workflows using modern machine-learning frameworks.
  • Run controlled experiments, analyze model behavior, and communicate findings clearly.
  • Create research prototypes for interactive graphics, creative tools, or engine-based workflows.
  • Produce reproducible research artifacts, clear documentation, demonstrations, and technical reports.
  • Own a scoped project in one primary research focus track, such as model development, data strategy, evaluation, or interactive prototyping.
  • Work with other engineers to connect successful models and experiments to data, runtime, and engine pipelines.

Desired Qualifications

  • Have peer-reviewed publications at leading venues such as SIGGRAPH, CVPR, ICCV, ECCV, NeurIPS, ICML, ICLR, RSS, CoRL, or related research communities.
  • Have strong technical reports, open-source contributions, demos, project pages, or research projects demonstrating technical depth, originality, and independent experimentation.
  • Have experience with 3D or world generation conditioned on text, images, video, actions, or structured scene inputs.
  • Be interested in collaborating with software engineers to move research prototypes into interactive engine pipelines.
  • Be able to understand recent research, design controlled experiments, analyze failures, and contribute to model training, data, or evaluation workflows.

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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