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Senior Machine Learning Engineer (CV/NLP/Multimodal/LLM/Agent)-E-Commerce Government

Seattle, United States of America💼 Full-time🗓 2026-09-28

Core

Develop and optimize AI algorithms for e-commerce governance, risk control, and content security across TikTok's platform.

Role type

Senior Machine Learning Engineer (Governance & Risk)

Builds

Risk detection systems, content moderation tools, and large-scale graph learning platforms for e-commerce scenarios.

Domain

E-commerce, Internet Platform Governance, AI Safety

Deliverable

production ML models

Required skills

Python, Go, C++, Machine Learning, Deep Learning, Natural Language Processing, Computer Vision, Multimodal Learning, Graph Algorithms, LLM fine-tuning, Reinforcement Learning

Preferred skills

Platform governance experience, Overseas internet/e-commerce business experience

Technologies

Linux, Python, Go, C++, Graph Storage, Large Language Models

Responsibilities

Identify algorithms for risk/violation/low-quality issues in e-commerce scenarios; Mine and identify algorithms to detect fraudulent behaviors and risky merchants/creators; Optimize algorithms for large-scale brand libraries, products, and content deduplication/clustering; Conduct data construction, instruction fine-tuning, CoT, and alignment for large models in e-commerce; Explore reinforcement learning and operational research algorithms for intelligent dispatching and audit scheduling; Research and develop multi-agent tools, models, and platforms for automatic planning and decision-making; Drive performance and stability optimization of Agent Systems; Optimize basic algorithms (NLP, vision, multimodal, search, graph, LLM, Agent) for governance business; Streamline optimization of computer vision models for product images and object recognition; Optimize video classification and multimodal content understanding for short videos and live broadcasts; Optimize risk identification models for text content, comments, and public opinion; Research large-scale multimodal algorithms and implement them in e-commerce scenarios; Extract data from live broadcasts, products, merchants, and influencers to model large-scale networks; Participate in constructing a large-scale graph storage and graph learning platform.

Seniority

Senior, hands-on IC

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