TikTok
Machine Learning Engineer (CV/NLP/Multimodal/LLM) -E-commerce Governance
Seattle, Washington · Full-time · Posted Oct 28, 2026
- Education
- Bachelor's degree or above in computer science or related field
About the job
Develop and optimize machine-learning systems to detect e-commerce risks and violations, improve content and product understanding, and support platform governance and audit operations.
What you'll do
- Build and optimize algorithms for detecting risky, fraudulent, violated, or low-quality products, content, merchants, and creators.
- Improve computer vision, NLP, multimodal, search, graph, and LLM systems for e-commerce content and product understanding.
- Develop large-model data and fine-tuning methods, and explore reinforcement learning and operations research for audit scheduling.
What they ask for
- Bachelor's degree or above in computer science or a related field.
- Proficient in Python, Go, or C++, with Linux development ability and solid coding skills.
- Strong data structures and algorithms foundation; proficient in machine learning and deep learning theory, with practical experience.
- Familiarity with 1–2 areas among NLP, computer vision, multimodal, graph algorithms, search algorithms, text/data mining, and LLM.
Nice to have
- Experience in platform governance, audit, risk control, content security, or overseas internet/e-commerce business.
- Fluent English; overseas study, work, or living experience.
Tools
Python, Go, C++, Linux, NLP, computer vision, multimodal, LLM
AI focus
E-commerce governance AI: risk and violation detection, computer vision and multimodal content understanding, large-model fine-tuning and alignment, graph learning, and intelligent audit scheduling.
Model-written summary · the original posting is authoritative