ML Engineer – Commerce Ads Ranking & Retrieval

TikTok Inc.; San Jose (CA); On-site; USD 162,000 - 317,000; Full time

Job summary

TikTok Inc. is seeking a qualified candidate to contribute to the Commerce Ads Ranking team, focusing on model optimization for ads delivery and full funnel monetization.

You will work with recall, rough sort, and fine sort processes and explore novel algorithms to enhance ranking performance. Responsibilities include feature engineering, model structure improvements, and scalable training in a privacy-conscious environment.

Qualifications

• Strong coding skills in C++/Python with solid data structures knowledge.
• ML foundation with models like FM, LR, GBDT, DNN.
• Bachelor degree in CS or related; ad/reco/ranking experience preferred.
• Publications in KDD/NeurIPS/SIGIR or ML competitions valued.

Responsibilities

• Work on model optimization for ads ranking across recall and sort stages.
• Explore innovative algorithms and large-scale distributed training.
• Implement feature engineering and model improvements to boost performance.

Skills

C++/Python

Data structures & algorithms

Machine learning basics

Analytical problem solving

Teamwork

Research familiarity

Education

Bachelor's degree in computer science or related field

Tools

FM

LR

GBDT

DNN

Wide & Deep

PyTorch

TensorFlow

Job description

TikTok Inc. is seeking a qualified candidate to contribute to the Commerce Ads Ranking team, focusing on model optimization for ads delivery and full funnel monetization.

You will work with recall, rough sort, and fine sort processes and explore novel algorithms to enhance ranking performance. Responsibilities include feature engineering, model structure improvements, and scalable training in a privacy-conscious environment.