AI搜索算法工程师-搜索广告
Core
Building a next-generation commercial AI search system that upgrades search from matching to understanding and decision-making, integrating LLMs into video search.
Role type
Senior IC machine-learning engineer (AI search & LLM)
Builds
AI search infrastructure, RAG retrieval ranking, answer generation LLMs, and optimized video search systems.
Domain
Search advertising, Large Language Models (LLM), Video search
Deliverable
production ML models
Required skills
C/C++ or Python, data structures and algorithms, LLM training (SFT/RLHF/DPO/GRPO), RAG, model deployment and distillation, query rewriting, intent recognition, semantic analysis
Preferred skills
ACM/ICPC/NOI/IOI/Top Coder/Kaggle awards, experience solving LLM application problems
Technologies
LLM, RAG, SFT, RLHF, DPO, GRPO, Prompt engineering
Responsibilities
Designing and building data construction, post-training, and evaluation systems for LLMs; Integrating LLMs into traditional video search to reduce cost and latency; Optimizing retrieval ranking algorithms and answer generation models; Collaborating to translate research into product innovation.