Machine Learning Engineer, Commerce Ads Ranking

Machine Learning Engineer, Commerce Ads Ranking
Location: San Jose

Employment Type: Regular

Job Code: A83852

Responsibilities

Optimizing model in ads delivery system: feature engineering, model structure, auto crossing, ads cold start, modeling delayed feedback, multi-task learning, sequence modeling

Algorithm and system co-design: retrieval algorithm, sample mining, long sequence

Exploring large-scale distributed training framework: GPU tuning, feature processing, synchronous training; improving ads delivery efficiency in privacy‑preserving environments

LRM, the next generation recommender system using LLM learning paradigm: entity understanding, end-to-end generative recommendation, sequence‑only based recommendation, mixture of export

Minimum Qualifications

Have excellent coding skills, be familiar with C++/Python, and have a solid foundation in data structures and algorithms.

Solid foundation in machine learning, familiar with common algorithm models such as FM, LR, GBDT, DNN, Wide&Deep, etc.

Excellent learning ability and good teamwork spirit; excellent analytical and problem-solving skills.

Experience with papers in conferences such as KDD, NeurIPS, SIGIR, etc., or participation in data mining/machine learning related competitions.

Bachelor’s degree or above in computer science or related majors.

Preferred Qualifications

Experience with papers in conferences such as KDD, NeurIPS, SIGIR, etc., or participation in data mining/machine learning related competitions.

Bachelor’s degree or above in computer science or related majors; work experience in advertising/recommendation/search ranking.

Job Information
The base salary range for this position in the selected city is $156,000 - $316,800 annually.

Compensation
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
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).

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:

Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues.

Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems.

Exercising sound judgment.

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