TikTok

TikTok

Software Engineer Intern (Recommendation Performance Efficiency) - 2027 Summer

San Jose, California, United States of America · Intern · Internship

Sponsorship not specifiedDetected 22 min ago
JavaGoC++Machine LearningData EngineeringCommunication

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odds of building a lasting career here

42Risky
Cap-exempt (no lottery)0
Sponsors this role100
Entry-level history0
PERM / green-card track0
Lottery odds40
Fits your clock70

Thin sponsorship signal and lottery-bound. A low-probability bet with your clock running. Prioritize cap-exempt roles and proven entry-level sponsors first.

Lottery odds assume a STEM candidate.

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Employer immigration record

from this employer's Department of Labor filings

Green-card filing pattern in this occupation

Context, not a finding about this posting: of this employer's 106 green-card filings in this occupation, 98% were for a worker who already held the job.

Green-card follow-through: 92%

Of 155 labor certifications old enough to have been used, 12 expired without the employer filing the next step. Median time from filing to decision: 496 days.97% of their filings were for a worker who already held the job.Only certifications past the 180-day window are counted — recent ones cannot have expired yet.

Files H-1B transfers

69 transfer filings in the last year, covering 69 workers. Median labor-condition decision: 7 days. An employer that already files transfers is one that can take over an existing H-1B.

Sourced from Department of Labor LCA, PERM and prevailing-wage disclosure data. Employer matching is by name, so figures may be split across an employer's legal entities. Absence of a filing means none appears in our copy of the data, not that none exists.

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About the role

  • The TikTok Video team works on the systems behind the For You Feed, TikTok's personalized recommendation experience.
  • Candidates may apply to a maximum of two positions across Our Company and its affiliates globally.
  • Applications will be considered in the order they are submitted.

Responsibilities

  • Build globalized large-scale recommendation system;
  • Build extremely efficient and reliable data pipelines for candidates generation, ranking system, profile generation, training examples generation, realtime online training, etc;
  • Coach AI to perform release process and production operations, including online anomaly detection and diagnose, release safeguards, etc.

Requirements

  • Currently pursuing a Bachelor's degree in Computer Science or a related technical discipline.
  • Experience in programming, included but not limited to the following programming languages: C, C++, Java or Golang

Nice to have

  • Currently pursuing a Master's degree in Computer Science or a related technical discipline.
  • Experience in AI coding is a plus.

Company info

  • We operate at the intersection of machine learning and large-scale systems, designing and operating the end-to-end pipeline -from offline training data orchestration to real-time online inference-that delivers seamless, high-frequency discovery to over a billion users.
  • We are looking for talented individuals to join us for an internship.
  • Our internship program offers students hands-on experience, industry exposure, and opportunities to apply their knowledge to real-world challenges while building a strong foundation for personal and professional growth.
  • Interns will gain practical experience, explore potential career paths, and participate in social events, learning programs, and development workshops alongside industry professionals.
  • Applications are reviewed on a rolling basis, so we encourage you to apply early.
  • Please clearly state your availability in your resume, including your start and end dates.
  • Candidates who pass resume screening will be invited to participate in Our Company's technical online assessment.

This listing is sourced directly from TikTok's careers page and normalized into a canonical job model.