Research Engineer - TikTok Ads Core ML, Ranking
Core
Design and optimize global advertising delivery systems to maximize efficiency and revenue growth using state-of-the-art ML/RL/LLM models.
Role type
Senior Research Engineer (Ads Ranking & Delivery)
Builds
Global advanced advertising delivery system and ranking frameworks
Domain
Online Advertising, Machine Learning, Recommendation Systems
Deliverable
production ML models
Required skills
Machine Learning, Deep Learning, Reinforcement Learning, LLM application, C/C++, Python, TensorFlow/Pytorch, Big Data systems (Hadoop/Spark), Online experimentation
Preferred skills
Paper publications in NLP/RecSys, Experience in transfer learning, Counter-factual optimization, Competitive programming
Technologies
C/C++, Python, TensorFlow, PyTorch, Hadoop, Spark, LLM, RL
Responsibilities
Optimize efficiency across the advertising funnel (Recall, Fine-sort, personalization), Research and develop frontier technologies for delivery systems, Design system frameworks for continuous improvement, Collaborate with product and business teams on global scenarios
