算法工程师（大模型） - TikTok研发
Core
Design and develop high-performance large model algorithm engines for TikTok's content ecosystem, enabling multimodal content understanding and Agentic AI Agent applications.
Role type
Senior IC large model algorithm engineer (multimodal & Agentic AI)
Builds
Multimodal large model content understanding capabilities and Agentic AI Agent applications for TikTok business scenarios
Domain
Social media, content creation/consumption, large language models, multimodal AI, reinforcement learning
Deliverable
production ML models
Required skills
C/C++ or Python, large model post-training and alignment (SFT, DPO, PPO, GRPO), agent architecture design, task planning, tool use, memory mechanisms, multi-turn decision making, reinforcement learning, feedback learning, trajectory optimization
Preferred skills
Publications in NeurIPS, ICML, ICLR, ACL, EMNLP, CVPR, ICCV, KDD, WWW; high-quality open source projects; algorithm competition achievements; large model practical experience
Technologies
SFT, DPO, PPO, GRPO, reward modeling, preference data construction, self-distillation, safety and controllability optimization
Responsibilities
Develop algorithm engines for multimodal content understanding and Agentic AI; evaluate and analyze algorithm performance; define technical planning and performance standards; design and iterate Agentic AI Agents with self-evolution capabilities
Seniority
Senior, hands-on IC