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TikTok

Short-form video platform with ads

Software Engineer Project Intern - Content AI Infrastructure

Applied Machine LearningConfirmed live in the last 24 hours
Internship · Summer 2026San Jose, CA, USA$45 /hrIn-person

About the Job

Requirements

  • Currently pursuing an undergraduate or master's degree in Software Development, Computer Science, Computer Engineering, or a related technical discipline.
  • Familiarity with designing high-concurrency content-processing systems, distributed frameworks such as Flink or Spark, and message queues such as Kafka or Pulsar.
  • Strong software programming capabilities, good code design and coding style, and familiarity with at least one programming language: C++, Python, or Java.
  • Strong interest in large-model training, inference, and optimization.

Responsibilities

  • Participate in content AI training and inference architecture design to improve system development efficiency, performance, scalability, and stability.
  • Build highly available, low-latency content-understanding inference architecture to support online and offline training and inference of TikTok content.
  • Analyze training and inference architecture performance and optimize large-model training and inference efficiency on GPU-based systems.
  • Track cutting-edge industry technologies and applications, drive upgrades to the team's technical architecture, and expand content-understanding application scenarios.
  • Collaborate with colleagues to serve global users and address challenges of globalized architecture.

Desired Qualifications

  • Relevant experience in large-model training, inference, and optimization.
  • Experience in content understanding, recommender systems, and large language models.
  • Experience in competitions such as mathematical modeling or programming competitions.
  • Comfort working in a fast-moving, culturally diverse, globally distributed team environment.

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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