CareerPlanSign in

Senior Machine Learning Engineer, Global E-Commerce – Recommendation (Multiple Positions)

Seattle, United States of America💼 Full-time💰 $241,680–$241,680🗓 2026-09-28

Core

Design, develop, and optimize advanced recommendation systems for TikTok's global e-commerce ecosystem.

Role type

Senior Machine Learning Engineer (Recommendation Systems)

Builds

Recommendation algorithms and models for e-commerce content discovery

Domain

E-commerce, Short-form video, Machine Learning

Deliverable

production ML models

Required skills

Python, C++, PyTorch, TensorFlow, Linux, Statistical learning, Neural networks, Big data frameworks (Spark, Hadoop, Flink)

Preferred skills

None stated

Technologies

PyTorch, TensorFlow, Spark, Hadoop, Flink

Responsibilities

Design and optimize recommendation systems; Formulate user data modeling in statistical learning problems; Execute user procedure experiments and significance analyses; Research and design ML models for system optimization; Collaborate with stakeholders on product strategy; Mentor junior ML Engineers

Seniority

Senior, hands-on IC

Sourced via tiktok · Listed on CareerPlan, which tracks 854,000+ jobs from 20+ sources.