TikTok

AI Infrastructure Engineer Graduate (Algorithm Infrastructure) - 2027 Start (PhD)

TikTok$156K — $387K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • PhD in Software Development, Computer Science, or related fields.
  • Experience with large-model architectures in high-concurrency systems.
  • Knowledge of asynchronous scheduling and load balancing.
  • Strong performance optimization skills in production environments.
  • Proficiency in kernel development using CUDA and Triton.

Responsibilities

  • Build next-generation inference systems for global traffic management.
  • Optimize distributed inference models to enhance throughput and latency.
  • Develop high-performance kernels for advanced model architectures.
  • Explore AI-driven tools for kernel optimization and performance tuning.
  • Design deployment pipelines for intelligent operations.

Benefits

  • Medical, dental, and vision insurance from day one.
  • 401(k) savings plan with company match.
  • Paid parental leave and disability coverage.
  • 10 paid holidays and 10 paid sick days annually.
  • 17 days of Paid Personal Time with tenure increases.
Full Job Description
Responsibilities Responsibilities - What You'II Do - Build and evolve next-generation inference systems for large-scale online traffic, including global scheduling across heterogeneous compute resources, high-concurrency load balancing, and efficient batch formation - Optimize distributed inference for 200B+ models and complex multimodal models through TP, EP, DP, and related strategies to improve throughput and latency in production - Develop high-performance kernels for frontier model architectures such as MoE, emerging attention mechanisms, and multimodal fusion layers using CUDA, Triton, and related tools - Explore AI-driven infrastructure for inference systems, including AI Agents for kernel optimization, performance tuning, consistency validation, deployment pipelines, and intelligent operations Qualifications Minimum Qualifications: - Individuals who are completing or have recently completed a PhD degree in Software Development, Computer Science, Computer Engineering, or a related technical discipline. in Computer Science, Software Engineering, Artificial Intelligence, Mathematics, or related fields - Familiarity with large-model architectures and strong system design skills for complex, high-concurrency environments - Strong understanding of asynchronous scheduling, resource pooling, and load balancing in distributed microservice systems - Strong engineering skills in performance optimization and production system development Job Information [For Pay Transparency]Compensation Description (Annually) The base salary range for this position in the selected city is $156000 - $387600 annually. Compensation may vary outside of this range depending on a number of factors, including a candidate's qualifications, skills, competencies and experience, and location. Base pay is one part of the Total Package that is provided to compensate and recognize employees for their work, and this role may be eligible for additional discretionary bonuses/incentives, and restricted stock units. Benefits may vary depending on the nature of employment and the country work location. Employees have day one access to medical, dental, and vision insurance, a 401(k) savings plan with company match, paid parental leave, short-term and long-term disability coverage, life insurance, wellbeing benefits, among others. Employees also receive 10 paid holidays per year, 10 paid sick days per year and 17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure). The Company reserves the right to modify or change these benefits programs at any time, with or without notice. For Los Angeles County (unincorporated) Candidates: Qualified applicants with arrest or conviction records will be considered for employment in accordance with all federal, state, and local laws including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Our company believes that criminal history may have a direct, adverse and negative relationship on the following job duties, potentially resulting in the withdrawal of the conditional offer of employment: 1. Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues; 2. Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems; and 3. Exercising sound judgment.

About TikTok

TikTok is a social media app that allows users to create and share short videos. The app was launched in 2016 by Chinese tech company ByteDance. TikTok has become one of the most popular social media apps in the world, with over 1 billion active users. The app has been downloaded over 2 billion times worldwide. TikTok has faced controversy over its data privacy practices and its potential ties to the Chinese government. In 2020, the app faced a potential ban in the United States, but a deal was reached with Oracle and Walmart to create a new company called TikTok Global.
Learn more about TikTok
Size
1,750 employees
Industry
Founded
2012

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