Distributed Training Data Jobs

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8d ago

Machine Learning Engineer, Commerce Ads Ranking

TikTok San Jose, CA

San Jose, CA

8d ago

$156k - $317k/yr Full time Ad Tech Ai Ml Distributed Training

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Job Description

Based in San Jose, CA (onsite), this TikTok role seeks a Machine Learning Engineer to optimize Commerce Ads Ranking models from recall through fine sorting and to advance large-scale distributed training in privacy-preserving environments, with a salary range of USD 156,000 – 316,800 per year.

Responsibilities

Improve ads delivery model performance through feature engineering, architecture choices, automated feature crossing, addressing ad cold start, modeling delayed feedback, and applying multi-task and sequence modeling techniques.
Contribute to algorithm and system co-design, including retrieval algorithms, sample mining strategies, and long sequence handling.
Investigate and optimize large-scale distributed training frameworks, focusing on GPU tuning, feature processing, and synchronous training to boost ads delivery efficiency under privacy-preserving constraints.
Advance next generation recommendation approaches using an LLM-based learning paradigm, covering entity understanding, end-to-end generative recommendation, sequence-only recommendation, and a Mixture of Export framework.

Requirements

Strong coding skills in C++ and Python, with a solid foundation in data structures and algorithms.
Robust background in machine learning and familiarity with models such as FM, LR, GBDT, DNN, and Wide & Deep.
Excellent learning ability and collaborative mindset, with strong analytical and problem-solving skills. Publications in KDD, NeurIPS, SIGIR, or experience in data mining or ML competitions are a plus.
Bachelor's degree or higher in computer science or related fields.

Technologies

C++, Python, LLM

Benefits

Medical, dental, and vision insurance from day one
401(k) savings plan with company match
Paid parental leave
Short-term and long-term disability coverage
Life insurance
Wellbeing benefits
10 paid holidays per year
10 paid sick days per year
17 days of Paid Personal Time, prorated at hire with tenure-based accruals
Eligible for discretionary bonuses or incentives
Restricted stock units

Los Angeles County (Unincorporated) Candidates

Occasional unsupervised interaction with internal or external clients and colleagues
Appropriate handling and management of confidential information and access to IT systems
Exercise sound judgment

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